1. This allows harmonics and noise to pass freely.

2. If the sine wave is distorted, harmonics are generated.

3. Only the first two zonal harmonics were included.

4. These harmonics have the sound of a very clear and distant bell.

5. With care, about 12 harmonics may be obtained so that about an order of magnitude of frequency range is available.

6. Addition of successively higher odd harmonics steepens the wings and reduces the amplitude of the fluctuations in between.

7. Purported Chinese curse is in fact the harmonics.

8. Includes alliteration, harmonics, onomatopoetic, parallelism, symmetry and parables, etc.

9. Three dimensional hydrogen atom spherical harmonics visualization.

10. Low harmonics, high power factor, and the ballast with.

11. These are called spherical harmonics.

12. A half-wave symmetric function contains only odd harmonics .

13. It is made up of a superposition of harmonics.

14. The HF harmonics of fault voltage are more serious than those of fault current under the same fault condition.

15. To reduce the current harmonics around switching frequency of the three-phase pulsewidth modulation(PWM)rectifiers, a LCL filter is adopted.

16. Sampling data for BRDF is analyzed with Spherical Harmonics, and then the BRDF surface could be rendered fast under environment illumination.

17. Natural time is defined as cycles of creative constants that interpenetrate all the physical universe from our personal bodies to galactic harmonics.

18. In desperation I sometimes reverted to tuning step-by-step by harmonics, something I haven't done for yonks.

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

20. This leads to a simple way of stating the amount of distortion: as the ratio of harmonics to fundamental.

21. As the non-linear nature of the traditional transformer, the input line currents have significant harmonics and high total harmonic distortion (THD).

22. Because adjust modulation wave SPWM technique is adopted which can greatly eliminate the harmonics of output voltage, In addition, the size of the input ac filter and the output ac filter is reduced.

23. The presented phase angle PWM method is centering attention on motor stator voltage space vector and controls the vector angle to vary linearly and so reduces higher harmonics in voltage wave.

24. For the first time, it is proposed that the of nonlinear damping force of ER fluid is made up of fundamental frequency and higher harmonics which are odd times of fundamental frequency.

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

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

26. The metering error considers the non linear effect of the voltage coil and current coil in watt hour meter under different order of harmonics and different distortion degree of input waveform.

27. Using the "Hopping Model", the analytical solutions of the space-charge field fundamental harmonics in the presence of an externally applied magnetic field are presented.

28. So the paper presents a scale-FFT magnitude method to separate integer and non-integer harmonics combining FFT with CWT.

29. To make the current minus fundamental current and add the reactive component of the fundamental current, the total compensation current to depress harmonics and reactive current is obtained.

30. The principle, testing of generator stator ground protection based on the third harmonics, measurement of the third harmonics on generator stator are introduced.

31. In order to eliminate higher harmonics embedded driving signal in miniaturized EDM(Electrical Discharge Machining) system, matching circuit for ultrasonic generator has been carried out.

32. In any balanced circuit, odd harmonics circulate in a differential path, while even harmonics flow in a common-mode path.

33. Using vertex shader instructions the polynomial coefficients and spherical harmonics functions can be fast calculated, and then the corresponding irradiance environment maps are also generated.

34. The time harmonics can be considered as voltages of higher frequencies applied to the windings.

35. The higher harmonics of the rotor BPF in the fore part of the suction side are more prominent than that in the other parts of the stator blade.

36. The generator generates three - phase sine wave current with harmonics.

37. Simulation showed that this passive power filter is capable of filtering harmonics.

38. An integrated - circuit transformer differential relay including secondary and fifth harmonics suppressor is designed.

39. Itshould be noted that not only the time harmonics but also the space harmonics have been taken into consideration in this mathematical model.

40. The recurrence relations about the quantum number 1 of the spherical harmonics are derived with ladder operator.

41. The recursive formulas of the spherical harmonics integral between every other order are proved to be fast and stable by numerical computation.

42. It leads to higher harmonics amplitudes in lower frequency range.

43. These methods can't be used not only to analyze the non integral order harmonics, but to distinguish the eccentricity and the first harmonic, and contain the lager nonlinear error.

44. A new ANN algorithm for analyzing harmonics in power system based on ADALINE model and Oja's learning rule is described. This algorithm ensures a satisfactory convergent property.

45. Absorption loss due to high harmonics of C-H vibrations, the primary loss factor in PMMA POF, was analyzed and calculated. And the results were consistent with measured datas.

46. What is meant by the terms resolved and unresolved harmonics?

47. Non - Periodical Time Function Consists of Time Harmonics with Continuous Frequency Spectrum.

48. The simulation and experiment results show that the stator flux track is a circle, the stator current is a sine curve with few harmonics, the torque has small ripple and fast dynamic response. Al...

49. With 1kHz voltage modulation and harmonics detection, residual amplitude modulation (RAM) noise were carried out experimentally.

50. By using carrier phase-shifted SPWM control, the multi-modular converter can get low AC side harmonics even the switch frequency is low.

51. The characteristics of the harmonics caused by stray capacity of converter transformer in three pulse converter model are presented.

52. Hybrid shunt active power filter(HSAPF) is a kind of harmonics compensating filter consisting of shunt active power filter and conventional LC filters.

53. Governing harmonics well, not only can reduce the power loss, but also could extend equipment life, improve the electromagnetic environment, improve product quality.

54. The false scattering and ray effect in spherical harmonics method, including P-1 and P-3 approximation, is studied.

55. So, there is immediate significance to study the harmonics in power system.

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

56. Due to the low harmonics in output reactive current and fast response characteristics, single phase STATCOM is suitable for balancing compensation of three phase unbalanced load.

57. For welding inverter's input circuit is made up by a capacitor as filter after a diode bridge rectifier, it injects harmonics to the power as a voltage source.

58. The extensive applications of power electronic converter unavoidably produce more and more harmonics, reduce the power factor and pollute the electric-magnetic environment.

59. In addition, the nonlinear behavior of fracture gives rise to the phenomenon of higher harmonics during the wave transmission across the fracture.

60. By using the monopole harmonics, which were studied by Yang and Wu, we solve the stationary state problems of the exotic atoms, which contain the magnetic monopole and different elementary particles.

61. The violinist had the technical skill to execute the cadenza, with its double stops and harmonics, with brilliance .

62. The harmonics are reduced below international standards with harmonic filters KEB COMBILINE.

63. In the Xingtai area, with many companies of mine, smelting, mechanical treatment and Jingguang electric railway passing through this area, a mass of harmonics have been injected into the power system.

64. With the first harmonic and its second harmonic the even order harmonics can be obtained.

65. The prevalent formula for nonzero perturbation matrix in the secular equation is gained by the perturbation theory in degenerate state and property of spherical harmonics function.

66. The main circuit of a novel neutral harmonics current conditioner and its control principle are described.

67. This method uses the hemispherical harmonics basis to represent incoming radiance and uses the Cartesian product of two hemispheres to define the BRDFs.

68. It will demagnetize the strips on all your credit cards, reprogram your ATM access code, screw up the tracking on your VCR and use subspace field harmonics to scratch any CDs you try to play.

69. Since more and more nonlinear equipments have been used in the power supply network, the generated high harmonics current leads to waveform distortion of voltage and current in the supply network.

70. It is shown that a FEL operation is possible in this wiggler by using higher harmonics.

71. Then, adopting reactive current margin and harmonics as control and protection variable, an expert system was formed to control thyristor switched capacitor.

72. The two components have identical vertical structure and physical process. The global spectral model component uses spherical harmonics as horizontal basis functions.

73. Basing on the signal space model, the harmonics in power system was detected by combining the subspace rotational invariance and least squares method.

74. The filter has no fundamental decay and phase delay, and all harmonics above 2nd order are eliminated.

75. A 3-D face model is constructed by the imaging theory and spherical harmonics, combining with the principle of 3-D projection and PCA.

76. As a result, we analyze the characteristics of the spherical harmonics spectral method.

77. This paper mainly studies the effect of the 7th and 9th harmonics of piano amplitude spectrum on piano tone quality.

78. It utilizes spectral envelope estimation to obtain envelope and peak signal and calculates signal-to-noise ratio of speech harmonics in iterate form under least square estimate criterion.

79. The harmful effects brought by reactive power, harmonics and negative sequence usually be evaluated on some sensitive power system nodes and be comprehensive solved in the traction power system.

80. The various harmonics are in resonance in this cavity to different degrees.

81. Since the inverter cannot convert DC to an ideal value of AC, one must be aware of harmonics generation and similar problems.

82. With the substantial growth of power electronic devices and unbalanced loads in power systems, the outcoming harmonics and negative sequence endanger the running safety of the generators seriously.

83. Synthesize of time domain wave form by summation of harmonics or sinusoidal wave form of discrete frequencies.

84. The electrical traction harmonics have some unique features such as large amplitude range, phase dispersion and severe deviation of the maximum.

85. The practical examples are given to analyze and illustrate the effect of the harmonics and negative sequence on large hydro generators.

86. Operation of an inverter fed asynchronous squirrel cage motor must be affected by supplementary loss from saturation and higher harmonics, then the efficiency of the motor is decreased.

87. The paper puts forward a new method based on Local Cosine Transform (LCT) for measuring the time varying harmonics in power system.

88. The harmonics in flux trajectory PWM is analyzed in view of inverse transformation.

89. The filter has no fundamental frequency decay and phase delay, and all harmonics above2nd order are filtered.

90. This snubber could obviously snub the harmonics in the output waveform which would appear when the switching devices are shifted from on to off.

91. Since heating power is symmetric for each half cycle of applied voltage, the principle component of this hum is twice the line frequency (and even harmonics of the line frequency).

92. A 3D model similarity matching algorithm based on spherical harmonics descriptor is proposed in this paper.

93. Calculatoins of bore show that the acoustic power is radiated mainly from finger holes for fundamental wave and mainly from the open end of bell for higher harmonics.

94. In an electrical network, unbalanced and harmonic currents generated by nonlinear and unbalanced loads can cause harmonics and unbalanced voltage.

95. The seventh fret harmonics pitch should match the fundamental frequency of the open string notes.

96. Two harmonics method is presented for strongly nonlinear dynamic - system.

97. The CPW sub- harmonically pumped diode mixer was used finite ground CPW that can reduce radiation loss, suppress high order harmonics and be more convenient to layout.

98. The approach starts from an analysis of spherical harmonics and finds out a quadratic polynomial form of environment mapping.

99. The researching intention of this paper is to establish a high precise and real time harmonics measuring system.

100. By using the time variant modulation ratio method, the harmonics can be eliminated and a sinusoidal and balanced output voltage or input current is obtained.

101. For the operating power grids, background harmonics can be obtained by field tests.

102. Aiming at the existing problem in harmonics measurement of power system, the paper(presented) a collecting method based on frequency multiplication phase-locked.

103. It usually appears at the RF, blade passage frequency and commutator brush frequency, and their higher harmonics.

104. In the system, an electronic circuit for reducing harmonics of an output signal from a power amplifier in a transmission circuit for a wireless communication device is provided.

105. To measure phase accurately in the presence of harmonics for both noisy input signals, a technique based adaptive bandpass filter (ABF) and the method of interchanging signal channel is presented.

106. These low frequency spectrum lines are basically the harmonics of the rotor shaft frequency and the blade-passing frequency.

107. The Difference in Discrete Harmonics Synthesized pulse Wave form based on FFT and F. T. Spectrums.

108. Usual detectors include rate-line detector that detects the line spectrum at the rate of the chips and carrier detector that detects the line spectrum at the harmonics of carrier frequency.

109. Those who are ready to become Masters of Time will no doubt celebrate this recalibration and will be ready to "ride" the waves of Cosmic Energy that also make one a "Master of Light Harmonics".

110. Derived the formula for computing quadratic harmonics of output current in the single phase unit power factor AC DC converter based on analysis of the circuit module of the equivalent current source.

111. Dynamic harmonic harness and reactive compensation solutions can filter APF output of the high harmonics. High-pass filter with a fixed capacity can realize reactive power compensation.

112. In this paper, two methods for improving the accuracies of the quasi-synchronous sampling harmonics analysis are proposed.

113. In Chapter 4, we discuss a fast prefiltering method for environment maps based on spherical harmonics, which is the analogue on the sphere to the Fourier basis on the line or circle.

114. Based on character of signal in TWACS and harmonic in power system, the digital differential technique can detect the TWACS signal and eliminate the integer harmonics effectively.

115. It provides a modulated clock source that reduces electromagnetic emissions and associated harmonics at the source.

116. The high - frequency harmonics from charge rectifier of storage battery and its suppression means were discussed.

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

118. Subsequently(http://), the analysis of harmonics can be done in only one period.

119. The development of the ellipsoidal harmonics theory provides means for solving lineared Geodetic Boundary Value Problems(GBVPs) which correspond to an ellipsoid of revolution.

120. At last several Methods : To optimize harmonics are put forward and compared.

121. To design an L-band low harmonics distortion power amplifier, this paper simulates and optimizes linear and nonlinear circuits.

122. Traditional diode-clamped converters have high voltage variation rate, common-mode voltage and harmonics, which make the design of its output filter complicated.

123. The more harmonics, the more rich and tonally interesting the wave becomes.

124. So, it will be reasonable and effective to analyze power harmonics with the probabilistic method.

125. In this paper the barotropic vorticity equation, expanded with spherical harmonics is integrated.

126. And by the means of simulation, the error range of the two algorithms to the frequencies, amplitude and phase of all times harmonics is given, which is valuable to the power harmonic analysis.

127. At the same time, an auxiliary repetitive controller is added to eliminate periodic current harmonics caused by switching.

128. This paper was directed against analysing of harmonics to electric net and electric equipment to do harm and find out harmonic filter method.

129. The results show that the amplitude of fundamental voltage linearly increases with the modulation factor and that the harmonics of the output voltage are markedly reduced.

130. Large coal mine has adopted many different types of converter and large scale changing load, causes the power distribution grid with plenty of harmonics and lack of reactive power.

131. The dependent variables are expanded in series of spherical harmonics truncated rhomboidally at wavenumber 15.

132. Then, the paper analyzes the excitation control of VSCF wind power generation. The dual PWM converters have better input and output performances, less harmonics and bidirectional energy-transform.

133. Higher harmonics may also be of importance in practical deflection system analysis.

134. We have stated a rule for consonance in terms of the coincidence of harmonics.

135. An average-current-mode control is employed in the rectifier side of proposed converter to detect the transition time and synthesize a suitable low harmonics sinusoidal waveform for the input current.

136. Because of its nonlinear characteristics, the APU output current wave contains much more harmonics.

137. The SAPF prototype can compensate harmonics and reactive well under varies load conditions, especially in the case of a distorted or unbalanced current of power supply.

138. Comparision with the ECRM of cylindrical waveguide shows that it has some advantage and characters, especially for operating at high harmonics.

139. Theinfluence of electron energy spread on gain and efficiency of higher harmonics is also studied.

140. In addition, the ray effect in the spherical harmonics approximation mitigates with increasing optical thickness within gray medium.

141. The odd harmonics increment mainly results from the diode - conduction asymmetry.

142. The results show that the model can simulate the higher harmonics generated on the front slope and the wave decomposition behind the breakwater to analyze the strongly nonlinear wave characteristics.

143. This dissertation pointed out some problems in existing harmonics detection used in three-phase unbalanced system by investigating and studying different kinds of harmonics detection methods.

144. Finally, the fundamental frequency estimation under different PQ disturbances condition , such as harmonics , voltage.

145. This paper studies and designs a single tuned filter based on a controllable reactor, it could filter odd harmonics such as 3rd or 5th or 7th and so on.

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

146. Power system equipment and loads which are more sensitive to harmonics.

147. The total antisymmetric basis functions are constructed for irreducible representation of S3 permutation group from nine- dimensional hyperspherical harmonics.

148. Whittle has also managed to tease out the fundamental (a physics term that describes a component of lowest frequency of a periodic wave) and harmonics of the big bang.

149. According as the expanding of spherical harmonics of the gravitational potential, the radial correction formula and the estimating error model are given.

150. The influence of harmonics on electric energy measurement is discussed.

151. An algorithm analyzing the approximate power harmonics is also presented.

152. A tuned circuit in the plate is used to peak response, maximizing output and helping to suppress harmonics.

153. The device can calculate transient harmonics (up to 50 orders) of any part of data wave, give the total harmonic distortion, each harmonic ratio and each harmonic value.

154. Using the one-dimensional particle-in-cell simulation code, we have studied the generation and redshift of harmonics from overcritical plasma layer irradiated by ultrashort intense laser pulses.

155. A harmonic surface charge method, which combine surface charge method with space harmonics expansion, was developed for the calculation of 3D magnetic fields of deflection yoke.