1. Harmonic distortion is usually expressed as a percentage.

2. The same is true where harmonic colour is to be a prominent feature of the music.

3. Miller solos are complex and radiant; his harmonic support for the group, magnificent.

3. is a sentence dictionary, on which you can find good sentences for a large number of words.

4. The following notes of the harmonic series are obtainable from a fundamental C..

5. The use of a repeated harmonic progression is typical of rock.

6. The harmonic language has become more complex, less predictable, too.

7. This particular train, though, headed for harmonic destinations never envisaged in Billy Strayhorn's original.

8. Intermodulation A consequence of some forms of harmonic distortion is that a strong signal modules a weak one.

9. When the two techniques are combined with harmonic progressions, the results can be fascinating.

10. It is important to establish the harmonic character of our music from the beginning.

11. By setting them to different scales harmonic progressions which would be unplayable on a single harp are made possible.

12. In atonal music, the harmonic relationships may be very complex indeed, yet they are undoubtedly there.

13. The power produced drops off as the harmonic number increases, so to generate the higher harmonics requires much higher input intensity.

14. I loved the simple harmonic melodies, and wondered why I seldom hear anything as good on the radio.

15. Dire harmonic confusion would result were the bass to be mingled with the upper parts.

16. In the dynamic case motion is often harmonic.

17. A higher harmonic wave filter was designed.

18. Their appearance is connected with anharmonicity, which leads to a breakdown of the selection rules derived assuming simple harmonic motion.

19. So the success of vocal music lies largely in its melodic and harmonic qualities, coupled with a convincing musical form.

20. Now it is 4, which is to be subjected to harmonic analysis.

21. The music in the above example has breadth and serenity because harmonic change is restricted to only two chords a bar.

22. In an audio amplifier, the kind of distortion which causes severe problems is harmonic distortion.

23. For example, a modulating theme may sound nonsensical without other notes which guide the harmonic flow.

24. These chords with augmented fourths are both strongly dissonant and can add considerably to the variety of harmonic colour available.

25. Violation of expectation Violation of expectation can occur in both melodic and harmonic lines; however it is subject to certain restraints.

26. Our earliest piece of Orphic evidence, the Derveni commentary, described the workings of the cosmos as harmonic.

27. Then off with the chaconne she went, gathering force with each repetition of its harmonic pattern.

28. Composers have often introduced dissonant diatonic notes into otherwise straight forward harmonic situations to give the desired touch of dissonance or unconventionality.

29. Make sure you let the notes ring into each other where possible, to get the full harmonic effect.

30. Stylistically it asks few questions, becoming quickly locked into a limited area of harmonic discourse.

31. Harmonic Drive is an advanced driving device.

32. It is also called a harmonic equation.

33. Pure sine wave output. Current harmonic content is small.

33. Wish you will love and make progress everyday!

34. No atom behaves precisely like a classical harmonic oscillator.

35. Third harmonic conversion of aberrated laser beam. Chin. J.

36. The effect is termed harmonic distortion.

37. The system executes simple harmonic motion.

38. Stereo channel separation of 50 dB and low harmonic distortion for testing FM stereo receivers.

39. An applied example of harmonic drive in optical automaticmeasuring instrument is described in this paper.

40. General SH waves with arbitrary waveforms can be modelled by stacking of all the fundamental harmonic plane wave solutions obtained using the approach.

41. The control strategy and the characteristics of a three-phase unbalance var and harmonic current compensator are analysed in detail.

42. The patient is in the process that enjoys music, the air that adopts music, rhythm, harmonic, tonal will adjust the function that cerebrum margin system and head do reticulate structure.

43. The cyclo converter station can be considered as a harmonic source with characters of voltage source.

44. Through simple feed forward operation, the new PWM technique can eliminate all low order harmonic voltage contained in input stage.

45. We investigate the 1D atomic gas BECs loaded in two different near harmonic potentials, namely BEC guided by magnetic waveguide and condensed atoms trapped in cigar-shaped con.

46. Also, the harmonic filter is a low pass filter having a frequency cut-off point that attenuates first order harmonics of the output signal.

47. On the basis of building the ship radiated-noise model, the mathematical expectation expressions of ship radiated-noise demodulation spectrum harmonic clan feature were educed.

48. Speed regulation system using cascade control method with thyristor is a low-cost system, but the classic system has some shortages, such as low power factor, serious harmonic pollution and etc.

49. Lubrication behaviors, friction and wear properties of different thin solid films were investigated for the same type of harmonic drive reducer under the same test conditions.

50. To verify the simulation approach, simulation results and experimental results of a shunt active filter for harmonic current compensation in a three-phase system are presented.

51. On the animated drawing a complex wave is resoleved into three simple harmonic waves with different frequencies and amplitudes.

52. The main component of experiment equipment of coherent harmonic radiation in Hefei is optical klystron.

53. The advantage of the method is that it can track the change of harmonic frequency on real time.

54. The installment of passive filter is a widespread method for harmonic suppression in industry.

55. An important factor effecting on series power active filter characters is the detection of harmonic voltage.

56. In this paper, firstly, relations of first two harmonic induced velocities to the lower and same-order harmonic circulations are obtained from the generalized classical vortex theory of the rotor.

57. Longitudinal vibration of an integral pile in an uniform soil with end bearing boundary or elastic bottom boundary undergoing vertical harmonic load is theoretically investigated.

58. The SPEC-4 actually had lower total harmonic distortion and lower intermodulation distortion than its more expensive brother.

59. The harmonic current relay is the protect relay for the harmonic filtration equipments.

60. A salient feature in the sources of harmonic materials Zhu uses is that of twelve-tone series.

61. When harmonic sources exist in power system, parallel resonance occurs due to the interaction between shunt capacitor bank and system inductance.

62. The research for the means has a long history, the classical means include algebraic mean, geometric mean and harmonic mean etc.

63. The general solution for this plate is obtained by solving the corresponding harmonic equation twice with the help of the curvilinear coordinate transformation.

64. And also, the specimens from rock core are contacted in line, so it is better to use the harmonic average of specimens′ modulus, not the arithmetic average, as the mean modulus of the rock stratum.

65. Using a bipolar coagulator or Harmonic scalpel as a substitute for endoclips to control adrenal vessels under laparoscopic vision is effective and safe.

66. The same mutual inductance, which is also a 2 nd harmonic component of rotor angle.

67. Finally, make a full analysis to the equipment of harmonic prevention; analyze the step of design of harmonic filter, analyze and conceive the active power filter that will has a bright future.

68. Power Supply System is often placed with shunt compensation capacitors and the upper harmonic waves in the distribution network have much influence on the capacity.

69. There is an infinite number of harmonic - frequency components.

70. In power net the harmonic pollutions and reactive power component generated by power electronic equipments have been the major source.

71. The background harmonic voltage is related with not only the power of harmonic sources and variation of power line voltages but also the power system structure and capability.

72. In order to restrain the distortion of third harmonic, some methods are successfully used in system parameter design.

73. Finally it sets forth a new method for synchronous detection which is used to detect voltage flicker and harmonic analysis.

74. The electron beam current measured by the beam current monitor (BCT3) is almost in direct proportion to the induced voltage of the fundamental harmonic.

75. A magnitude of a third harmonic distortion of the waveform sequence can be used to measure distortion in the output.

76. The harmonic language is like a gloss on Bernstein, or tepid Copland (in his “Tender Land” mode).

77. A micro differential capacitance and a micro harmonic oscillator are studied and designed. The structure of the micro differential capacitance is optimized by use of the ANSYS software.

78. Active PFC techniques have been researched systematically and used widely in the recent twenty years because of high power factor (PF) and low total harmonic distortion (THD).

79. Minor scales generally appear in one of three forms, natural minor (the minor mode), melodic minor, and harmonic minor.

80. The principal, ultraharmonic and subharmonic resonance of an elastic rotation shat with twin sides by a harmonic force is discussed, in this paper.

81. In this paper we discuss the natural boundary element method for harmonic equation in an exterior elliptic domain.

82. We have derived the formulas of harmonic spontaneous emission power density, small signal gain of this undulator FEL and the coupling coefficients between the electrons and the radiation field.

83. Now for many power consumers it is needed to find an easy method, which is fit to analyze comparatively simple power system or harmonic filter engineering.

84. The experimental results indicate that this method can be used to detect the reactive power and harmonic current exactly in three-phase four-wire system.

85. In order to reduce total harmonic distortion factor of the inverter's output voltage, adding LC filter to inverter's output is a simple and practical method adopted extensively currently.

86. The results of experiments shows that F2812 DSP can completely meet system demand with high control precision, good dynamic performance and remarkable harmonic suppression effect.

87. The note is monitored as by ear at the speaker to detect the relative volumes of the fundamental frequency and the highest audible harmonic frequency.

88. The simulation with simple harmonic analysis on the performance of a regenerator was carried out.

89. As an application, it obtains a new necessary and sufficient condition for determining the minimal surface lifted by a univalent harmonic function to be a plane.

90. Experimental and theoretical study of Cerenkov type second harmonic generation (SHG) with green and blue output in proton exchanged lithium niobate planar waveguide is reported.

91. The masses of masons and baryons are calculated non-relativistically with a simple harmonic potential where in two different forms are suggested for the baryon potential.

92. Especially three-phase converter which has the advantages of bi-directional power flow, low AC harmonic and unit power factor, becomes the researching hotspot in the field of power electronics.

93. The fundamental current can be reconstructed by transformation while the harmonic current can be gained by subtracting fundamental components from the original current.

94. In order to solve this problem,(http:///harmonic.html) a harmonic suppression method using spur-line is introduced. Moreover spur-line will not increase the design complexity.

95. According to the cycle formula of simple harmonic vibration, the cycle formula of simple pendulum could be figured out.

96. The method for third harmonic generation of double wavelength and double pulse laser is proposed.

97. The results also indicate that when special filters are connected to secondary three-phase system, the primary harmonic currents decrease by about 28% than by using conventional two-phase filters.

98. Under a suitable condition, this paper gives an existence theorem for harmonic maps from surfaces to certain Riemannian manifolds in a large scale.

99. A novel harmonic micromotor actuated by electrostatic force was proposed, whose basic operating principles were also described.

100. Harmonic armature reaction can be used to judge the fault diagnosis of rotating rectifier.

101. By using the harmonic equation of the tension and shape of stay cable, a state revision method is presented for the nonlinear analysis of stay cable in this paper.

102. The energy eigen-values and eigen-functions, for a single particle located in single shell of harmonic oscillator and moving in triaxial potential, are calculated.

103. Presents a new approach for limiting harmonic and improves the reactive compensation using LC filter in power system. The simulation experiments valid...

104. Objective:To have an acoustic densitometry (AD)analysis about the relationship between doses and effects in experiment rabbit liver with second harmonic contrast imaging.

105. Intense red with violaceous hues. It has varietal with blackberries, pepper and toast notes. Soft body, harmonic and great balance.

106. In this paper, we had researched on fluctuation circle of aquatic products price between 1978 and 2000 via ratio of variation and harmonic wave.

107. In this paper , a three-phase three-wire active power filter based on a adaptive harmonic detection , by using the first harmonic of the current as the reference control , is presented.

108. The fluctuation circle of aquatic products price between 1978 and 2000 via ratio of variation and harmonic wave was researched.

109. Based on the orthogonality of sine, a new approach to the detection of harmonic in single-phase circuit is presented.

110. Different LC filter parameter matching exerts a distinct influence to the harmonic voltage. Improper parameter selection may make filter unsatisfy the analysis request.

111. This paper introduces the pulse wide modulation(PWM) based on minimum root-mean-square value of harmonic current of inverter.

112. The spherical cap harmonic analysis method and its applications in geomagnetism were reviewed.

113. This highly compact transceiver chipset consists of low noise amplifier, power amplifier with detector, voltage controlled oscillator with buffer amplifier, mixer and harmonic mixer.

114. With the extensive application of the transducer in industry, the problems of harmonic interference is getting more and more attention.

115. Reducing the total harmonic distortion (THD) of the magnet current in the parallel resonant network is the key technique for the magnet current tracking accuracy.

116. In this paper, we propose two effective methods, namely the method of overmodulation and harmonic injection, to increase the voltage transfer ratio.

117. Thus far we have negative frictional effects in the harmonic oscillator.

118. Finally, an improved algorithm for fractional harmonic analysis is used to reduce the leakage, the result of the simulation shows it can heighten the precision of the measure of the parameter.

119. The same frequency simple harmonic oscillation synthesis speed and the acceleration computational method is basic theories to study the ultrasonic wave.

120. Carried on the harmonic analysis to air operated bulk cement vehicle.

121. The balance wheel of a watch is a familiar example of angular harmonic motion.

122. This paper analyzes the harmonic component of the bridge type current limiter with resistive load.

123. Ballantine special alcohol is a complex, sophisticated and elegant harmonic Scotch whiskey.

124. Also, including the cry within the purr could make the sound "less harmonic and thus more difficult to habituate to, " she said.

125. The green-emitting laser diode offers a number of compelling advantages compared to an equivalent green-output second harmonic generation (SHG) device.

126. In this paper, the transform of the harmonic wavelet method is applied to detect the characteristic signal components of the rotor bar broken fault.

127. A simple method is used to calculate the phase volumes enclosed by energy surfaces of 2-dimensional harmonic oscillator and rigid diatomic molecule.

128. In DS-1 electrical eddy method of the harmonic vibration the sensitivity and linear resolution is higher. But the cost is cheaper.

129. The jingling piano at last is silent, and the Harmonic friends rally round their pillows.

130. I had been looking for ways to combine harmonic and rhythmic struc-tures.

131. The angular part of a continuum wave function is, of course, a spherical harmonic.

132. It's clear that you're going to see a simple harmonic oscillation.

133. MDI's WF series waveguide Bandpass and Harmonic Filters excel in applications where high frequency, narrow bandwidth and high 'Q' are essential.

134. The viscoelastic damping control of steady-state harmonic response of stiffened plate is studied by using modal superposition method.

135. To overcome this problem, negative feedback is applied to reduce the harmonic distortion.

136. This paper is focused on a shunt active filter based on detection of harmonic voltage to attenuate harmonic propagation in a power distribution network and its installation site selection.

137. And finally, the theory and method of computing the SST of Chinese coastal water are investigated using spheric harmonic model. With the comparisons of the different methods, some us...

138. A kind of focusing structure for a space remote sensor was designed, which combined a harmonic drive, a screw, and a line guide rail to compensate the shortcomings of traditional focusing structures.

139. This is particularly the case for the third harmonic, which causes a sharp increase in the zero sequence current, and therefore increases the current in the neutral conductor.

140. The dynamic loading resulting from blast, gusts of wind, or seismic forces is generally not harmonic.

141. With a minimum of mathematics and an engaging, highly rewarding style, Bloomfield provides in-depth discussions of harmonic regression, harmonic analysis, complex demodulation, and spectrum analysis.

142. The second harmonic three - stage gyroklystron amplifier is designed and simulated by means of PIC simulation software.

143. A new approach to real time detection of harmonic and reactive currents for single-phase circuit was proposed.

144. The paper introduces several important techniques applied in modern electric propulsion, such as electric motor, power electronic converter and harmonic mitigation as well.

145. The simulation cases with the power system harmonic analysis were conducted.

146. The result of harmonic analysis is validated through machine tool test of self-excitation vibration, and the stable region is found.

147. In this paper the development of power line harmonic analyzer based on ind us-trial PC is introduced , and the working principle and design method are given.

148. Exponential, hyperbolic, and harmonic curve equations are often used to mathematically express the decline curve.

149. In this paper, the vibrational conditions of sliding friction systems under harmonic exciations are approached by the equivalent linearization method.

150. Therefor, this paper is of much importance to closed harmonic - planetary gearbox.

151. Second harmonic fragrance: Magnolia grandiflora. Magnolia emit bright light shines in the gorgeous spring day. By jasmine and orchids, it shows Magnolia precious aroma.

152. The PWM control strategy with 3-th harmonic in addition is presented for four-leg three-phase inverter, the inverter can deal with unbalanced load and has a high utilization of dc bus voltage.

153. Using the method of firing angle prediction, steady sinusoidal output voltage with low harmonic components can be generated.

153. try its best to gather and build good sentences.

154. This paper presents a new control strategy to eliminate second harmonic of dc output current in the 3-phase unbalanced network voltage PWM current-source converters (CSC).

155. The detection of main harmonic sources is one of the important branches of harmonic analysis.

156. A harmonic oscillator with time dependent frequency is studied using double wave function theory.

157. Thus far we have negated frictional effects in the harmonic oscillator.

158. The spontaneous emission spectrum is numerically calculated by using harmonic expansion and matrix inversion.

159. Realizing ideal switch angle would cause switch angle error in the selective harmonic elimination technique of inverter.

160. Usually the fixed capacitor and passive filter are applied to compensate reactive power and harmonic current.

161. A proof of existence of primitive functions of a continuous function with area principle is introduced, and the divergence of the harmonic series in area method is also proved.

162. The problems of the second harmonic and three coupled waves in homogeneous lossy nonlinear dielectric are analysed.

163. The large capacity generator reconstructed is imported and its3rd harmonic voltage is low.

164. The motion of the balance wheel of a watch is an example of angular harmonic motion.

165. Starting from the Lagrange function of the electromagnetic field, we applied Fonrier transform, obtained the unity theory for the variation fundamental in the harmonic electromagnetic field.

166. The calculation is very simple when the effects of only first harmonic are taken into account.

167. We've done this before-- this is the conservation of energy, and in order to find the period of the simple harmonic oscillation, we take the time derivative.

168. The space harmonic expansion technique is used for analyzing the 3D magnetic fields of the deflection yoke.

169. In order to improve harmonic conversion efficiency and eliminate walk-off effect, temperature field of nonlinear crystal was accurately calculated.

170. The problem of study on fatigue strength of flexible wheel which mainly influence life of harmonic drive is one of the most important research of harmonic gear drive.

171. This paper points out two mistakes of Zhang Hui's article, which is "infinite series with divergence and convergence". This shows that harmonic progression is still divergence.

172. We have studied the method of eliminating the harmonic wave of SCR regulating-speed device a servosystem and increasing its power supply unit' s loading ability when its current is large.

173. KIWA synthetic power saver with his unique structure form eliminates higher harmonic of the electrical network by way of the balance in adjusting three-phase current and voltage .

174. Based on transfer matrix method(TMM)and virtual boundary element method(VBEM), proposed a direct solution to 2-D sound-structure interaction problem under harmonic excitation is proposed.

175. To study the effect of gravity eccentricity on the ranges, the expression of gravity was educed using spherical harmonic function when the earth is considered as an normal ellipsoid or sphere.

176. Harmonic wave analysis method is the insulator medium consume factor on line method and discussed hte effect on the main factor of the medium consume on line supervision precision.

177. The invalidation of the harmonic gear drive is mostly the fatigue rupture of the flex spline.

178. We can work out positions of a harmonic oscillator by numerical methods.

179. This paper describes the measurement of coherent harmonic emission, the synchronization of seed laser with electron beam, and the gap control of the optical klystron.

180. Simulation results show that the theoretical analysis is valid and the presented compensation method has good characteristics in harmonic interference and voltage regulation.

181. For this reason, it is of great realistic significance to develop a high-speed and high-precision harmonic detector.

182. For a harmonic oscillator the energy levels are evenly spaced.

183. A shunt active power filter is applied in the fisher boat in order to suppress the harmonic produced by the sleeve-fish troll machine. The design scheme of the shuntactive power filter is provided.

183. is a sentence dictionary, on which you can find excellent sentences for a large number of words.

184. The inverse function of inverter under non load is used to obtain stability and satisfactory harmonic rejection.

185. A direct identification method is presented to identify the hysteretic behavior of wire-cable isolators through steady harmonic excitation.

186. So, the windows and interpolated FFT is developed, and the harmonic expurgation according to amplitude is put forward for high order harmonic parameters analysis in this paper.

187. But the intension and quiddity of their harmonic thoughts are different from each other.

188. AC servo motor with harmonic drive is used to drive the robot manipulators and the synchro-belt drive is used to drive the wrist after the present robot is analyzed.

189. The article is based on his vocals , analysing and researching their harmonic technique and style from the aspects of the chord structure , the harmonic progression , the mode and tonality etc.

190. Dr. Ballam goes on to say that, "The human mind shuts down after three or four repetitions of a rhythm, or a melody, or a harmonic progression."

191. Theoretical analysis shows that the number of working wavelength will increase with the increment of the harmonic number of the harmonic blazed grating.

192. From the characteristic of harmonic relief patterns, the a thermalization and achromatism of harmonic diffractive element have been studied in the paper.

193. In both cases, the harmonic content of the input current have been evaluated analytically.

194. In the current source transduce, LC filter is the best structure to filter the switching harmonic.

195. This paper compared fore-and-aft data of the commissioning of active power filter, such as current waveform, voltage waveform and THD, which could show the effectiveness of harmonic suppression.

196. The fundamental tone, is the lowest frequency in a harmonic series.

197. In this paper, a method used to optimize the single harmonic filter is given.

198. And then, starting with harmony, the author analyzes several main harmonic progression characteristics of Chopin's scherzos.

199. The response computation method of a class of vibration system with non-linear elasticity and non-linear damping under harmonic excitation was studied.

200. A single - phase parallel active power filter based on the harmonic magnetic flux compensation theory is proposed.

201. The effect on amplitude of EXAFS from harmonic caused by high order diffraction of crystal monochromator is discussed.

202. In power system, it can excite partial parallel resonance or serial resonance, enlarge the harmonic wave, trigger relay protection system in error and disturb electric power energy metering equipment.

203. To compensate of the nonlinearity error of heterodyne interferometers in nanometer measurement, a method for reducing the first harmonic nonlinearity is proposed.

204. To avoid the harmonic vibration of air, the low resistance adjustable air exit is used.

205. The above analysis may readily be extended to general plane disturbances not necessarily harmonic.

206. It is clearly a simple harmonic oscillation in theta because this is a constant.

207. In this paper, the precise solution of a generalized time dependent harmonic oscillator is obtained by a sequence of unitary transformations and applied to construct the squeezed state of the system.

208. Furthermore, other performance of this tripler are tested, such as phase noise worsening, input VSWR and harmonic suppression.

209. The estimation for harmonic numbers based on order cyclic - moments are presented.

210. Also the symmetry of the harmonic oscillation Potential is studeied in details.

211. Single-bubble sonoluminescence occurs at the rapid collapse of the bubble after a long and slow expansion, and the bubble oscillation in the higher harmonic modes leads to the rapid collapse.

212. Thus a smaller membrane gives off a higher first harmonic.

213. From the relation The conclusion is draw the high part of harmonic content is inverse to switch frequency.

213. try its best to gather and create good sentences.

214. The impact of harmonic on the simulation results of stator winding internal fault is further analyzed.

215. The control strategy of adaptive ASLMS-based harmonic cancellation is proposed for eliminating the higher harmonics of acceleration response.

216. This paper collects and analyzes the harmonic signals of the CO2 welding machines main transformer, by which researches the effect of welding power source on the main.

217. And so I find that y double dot plus 2g and that was my goal, because this is clearly a simple harmonic oscillation, because this is a constant.

218. The optimized KTP was used for second harmonic generation(SHG) in CW laser.

219. In this paper, we propose to use a novel adaptive noise canceller with master slave structure (MS ANC) to cancel those harmonic interference and Gaussian noise appeared in the electrified railway.

220. A method for harmonic detectingpower system based on wavelet transform is proposed.

221. Steady state harmonic current is calculated based on the magnetic characteristic curve of welding transformer. The results show that 3rd harmonic component is the main composition.

222. The logarithmic spiral method is a good way of describing damped harmonic motion.

223. The paper puts forward the mechanism of combined waveform and computation of a SPWM area center equivalent. Harmonic of double pole SPWM waveform is analyzed in this paper.

224. Introduces a HA algorithm(harmonic analysis)for solving an AC nonlinear resistance circuit by means of some typical nonlinear resistance elements .

225. The paper introduces the principle of PFC technique and its great significance,() puts stress on analyzing the mechanism of the third harmonic of input current.

226. Generally, the harmonic phase reference circuit is a comb generator in frequency domain and a pulse generator in time domain.

227. Hooke's Law - Springs - Simple Harmonic Motion - Pendulum - Small Angle Approximation.

228. It can be seen from model experiment that the Total Harmonic Distortion (THD) of the current in the three-phase rectification circuit can be reduced from 30% to about 10%.

229. Furthermore, a checkout method for the third harmonic voltage based protection scheme of stator ground fault in generators is presented based on the verified MLM-FEM coupled model.

230. The invention discloses a device for detecting an electric energy meter error under a harmonic condition by adopting a watt-second method, and a detecting method.

231. The series solution for boundary value problem of nonhomogeneous harmonic equation with variable coefficient is obtained.

232. Harmonic enlargement can be minished or avoided by properly choosing the reactance rate of reactor in the spur track of filters.

233. We observed that the total harmonic distortion ( THD ) increases due to non - linearity in the triangular wave.

234. The wave equation having general forms of planar simple harmonic wave is deduced in this article. It is simple and accurate to solve wave equation by using this formula.

235. The harmonic losses, circulating current loss, eddy losses of the coils and eddy losses of the spider arms are calculated . The second harmonic losses of reactor are separated at last.

236. First, the development and characteristic of harmonic drive are presented.

237. And some indexes of power quality: voltage deviation, real power, reactive power, harmonic content, voltage fluctuation and unbalanced three-phase voltage and current, are discussed at length.

238. On the basis of the analysis of the twisting vibration of rotary sucher-rod string, a formula of calculating every harmonic vibration eigenfrequency is presented.

239. Dissert the principle of power equilibrium, and present the method that is making use of equivalent resistance to compensate harmonic source.

240. This paper describes the effect of harmonic winding and harmonic compensating error on electrical machines in automatic control system.

241. We add voltage harmonic filter to reduce the harm which voltage harmonic do to power system.

242. Through developmental course of universality, human beings understand the harmony, and create the categorematic term of harmony and universal spirit of harmonic culture.

243. It is shown that the fluctuations of the fundamental and second harmonic light in the laser field decrease as the cavity decay constant increases.

243. try its best to gather and create good sentences.

244. But at the harmonic frequency, the system inductance increases greatly and the reactance of the filter circuit reduces greatly.

245. The existence of odd harmonic solutions for a second order pendulum - type oscillation equation was studied.

246. The treatment plan and the effect of the implementation plan of harmonic pollution are provided.

247. Relations between interband transitions and harmonic oscillator model, and between optical properties and dimensionality are discussed.

248. Active Power Filter(APF) technology is one of the important ways to realize harmonic wave compensation of electrical network and improve the quality of power supply.

249. This paper introduces a type of three-phase harmonic analyzer recently developed for power systems in which the waveform signals are sampled simultaneously.

250. The system is based on the Faraday effect. It can measure the current value of the high voltage line by acquiring the output first harmonic value of the optic-signal data.

251. The magnetic network model of hybrid step motor is established according to the air gap rate permeance method, and the expression ofthe harmonic back EMF is deduced.

252. Some sine waves are harmonic whose frequency does not equal to the frequency of fundamental component.

253. With HTS Josephson junction as the mixing element, 50th harmonic frequency mixing at 3mm wave band is obtained on the system.

254. The high-order nonlinear harmonic processes were also realized by tuning the input angle.

255. The government in a harmonic society should be refined, clean-handed, open and high efficiency.

256. For third harmonic generation our result is in good accordance with the experiment of prestine polyacetylene.

257. It possesses plenty of advantages in signal detection, harmonic retrieval and feature extraction.

258. The conceit came to me of a copious grove of singing birds, and in their midst a simple harmonic duo, two human souls, steadily asserting their own pensiveness, joyousness.

259. Installation filter in power system to control harmonic pollution could effectively reduce the system loss and avoid harmonic resonance or current amplification.

260. With the parameters of passive filter optimized by NSGA-II, the minimum investment is obtained, and the harmonic interference is effectively eliminated.

261. This paper derived the measurement method of phase harmonic impedance.

262. The switch frequency is increased and the output harmonic is decreased while the overcurrent protection is ensured.

263. Based on satellite gravity and geoid observation results, we calculated and analyzed different order and degree of harmonic function of geoid, which can express earth shape.

264. The experimental researches of fundamental wave injection locked 2nd harmonic Gunn oscillators in 3mm band are completed.

265. This thesis expounds the quasi-dynamic control principle of the work-surface harmonic in centerless grinding and gives out the computer control block diagram.

266. The nonlinear vibration equation of the elastic straight bar under thermal expansion and harmonic excitation is obtained by Galerkin principle.

267. EA mounted on the either end of rotor shaft can generate impulse excitation force or simple harmonic excitation force with different frequency.

268. The simulation under MATLAB environment proves that the solution can improve the efficiency of power transmission, reduce the system reactive power and suppress the grid current harmonic effectively.

269. The article studies a simple method for any energy level of three dimensional harmonic oscillator in uniform magnetic field.

270. Some certain errors are existing for analyzing the sinusoidal signal of fundamental harmonic, non-integral harmonic and the decay quantity signal of direct current.

271. The last is aspired to the fractional harmonic resonance of charge particles under a strong electromagnetic wave and a guiding magnetic field.

272. These methods are valid to restrain the harmonic wave in arc welding inverter.

273. Each element provides a different visual sensation that resonates as a harmonic within the symphony Yip conducts.

274. So there is a point to research how to translate this kind of power source into three-phase AC source with stable voltage, low proportion of harmonic wave and symmetry three-phase power source.

275. This paper discusses the differential error harmonic analysis method and the method for obtaining the actual error curves of testers.

276. Sub harmonic SPWM modulation is often used for medium frequency inverters.

277. Harmonic averaging method is used to deal with the discontinuity in the vicinity of the interface.

278. The structural crack affection on modal frequency is studied . The piezoelectric frequency-admittance spectrum under two kinds of harmonic excitation including pressure and voltage are deduced.

279. According to the equivalent circuit model of non-linear load, a detecting approach of harmonic current in single-phase circuit based on fast iterative algorithm in active power filter is proposed.

280. The horn drones , apparently Hz, with harmonic Hz , 932 Hz , and 1864 Hz.

281. Mesoscopic double resonance mutual inductance and capacitance coupling circuit is quantized by the method of harmonic oscillator quantization.

282. I have found that in the stock itself exists its harmonic or inharmonic relationship to the driving power or force behind it.

283. Adjust the frequency, volume, and harmonic content and you can see and hear how the wave changes.

283. Wish you can benefit from our online sentence dictionary and make progress every day!

284. The harmonic oscillator is an exceptionally important example of periodic motion.

285. The shortcoming of LC filter is serious and the technology of power electronic is developing rapidly, eliminating harmonic dynamically by using Active Power Filter (APF) becomes an important method.

286. Various design methods of shunt passive filters are analyzed; and reasonable harmonic filter schemes in engineering are put forward.

287. According to the nonlinear re-radiation characteristic of semiconductor PN node, the nonlinear node detection system for semiconductor junction targets based on second harmonic reception is designed.

288. The advantage is reflected in the rapid movement, harmonic filter can reach more than 95% reactive power compensation and meticulous.