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单词 Oscillator
例句
1) A sound arrangement is an electronic oscillator and detection system employing ganged selective tuning.
2) A neat example of a sinusoidal oscillator is the Wien bridge oscillator shown in figure 10.13.
3) For the anharmonic oscillator, then, the vibrational energy levels associated with a particular vibration are not equally spaced.
4) The arrangement of counters allows a range of oscillator frequencies to be adopted.
5) Two conditions exist for a sinusoidal oscillator.
6) Then the internal frequency detector starts tuning the oscillator.
7) The name is an analogy with "voltage-controlled oscillator".
8) No atom behaves precisely like a classical harmonic oscillator.
9) Grid 2 acts as a virtual anode the oscillator.
10) Purpose: UHF frequency converter, local oscillator, wide band amplifier.
11) A novel current-control-mode relaxation oscillator for SPIC is presented.
12) How does a voltage-controlled oscillator actually work?
13) One C band ultra-low oscillator was produced, and validity of theory and design method was proved by measurement.
14) The transition energies and oscillator strengths are calculated of LiI, NaI, and like Li sequence for resonance transitions both with and without this potential.
15) This paper presents a feed-back dielectric oscillator and a method of calculating its dimension.
16) The design of the device test oscillator is also presented.
17) DRO ( dielectric resonator oscillator ) has the characteristics of high frequency stability and low phase noise.
18) Include the oscillator, modulator, upper frequency transformer, wave filter, power amplifier like X - mitter.
19) This paper aims at designing a relaxation oscillator which is used in the readout circuits for silicon capacitive accelerometers with CMOS process.
20) Fig. 3 shows the basic circuit of such an oscillator.
21) The final technique for producing a velocity profile involves a voltage.controlled oscillator with the controlling voltage generated by an analogue circuit.
22) In practice the rate at which samples are passed along the device is controlled by a clock oscillator.
23) Control voltage on the VCO changes the frequency in a direction that reduces the phase difference between the input signal and the local oscillator.
24) A prelude phase-locked staircase to type V intermittency in a model of a electronic relaxation oscillator is reported.
25) This method also can be used in other situation where the relaxation oscillator is applied to get better temperature performance.
26) A new type of the PZT driving device to realize the planar movement by using the bimorph oscillator as the driver was presented.
27) A scheme of transmitter is proposed,()(http:///oscillator.html) which consists of a semiconductor laser master oscillator and an EDFA optical power amplifier (MOPA).
28) He retained the perfect imitate modulation way in 2030 departments broomrape , also can join interior at the same time oscillator of the 2nd modulation.
29) The experimental results show that the output power of this CVL is up to 36 watts as an oscillator and extractible power is up to 52 watts as an amplifier.
30) It makes use of digital pulse IC circuits to replace the old transistor oscillator circuits and has great improvement in stability, security and convenience.
31) The upper end of the shaped strip board oscillator is connected with the elliptic shaped oscillator.
32) The H - shaped dipole radiator changes the single - sided radiator oscillator into double - sided.
33) The circuit uses a 555 timer wired as an astable oscillator and powered by the emitter current of the BC109C.
34) The process of attenuation measurement is presented, which utilizes a system consisted of a sweep oscillator, a pair of broad-banded horns, and a scalar network analyzer, etc.
35) The PLL includes a phase frequency detector, a charge pump, a low pass filter, a voltage controlled oscillator and a frequency divider .
36) Then these theories are used to study degenerate bifurations of codimension 2 of the cusp singularity in a nonlinear oscillator under combined parametric and forcing excitations.
37) It compares the middle of horizontal sync with a fixed point on the oscillator sawtooth voltage.
38) The negative feedback of ENSO is explained by the "Recharge-Discharge Oscillator" theory, in which the change of the equatorial Pacific Ocean heat content acts as an important transitioner for ENSO.
39) The principle of a TWT oscillator using a YIG as feedback element is analyzed and the tunning performance is derived also.
40) The EMC81057 Clock Oscillator is an advanced spread spectrum modulator with a standard TTL or CMOS compatible output that meets clock requirements of all major CISC, RISC, and DSP processors.
41) The chorus effect modulates the original sound by a sinusoid low frequency oscillator (LFO).
42) PLL frequency synthesizer with DDS reference will adapt to local oscillator of modern radio.
43) 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.
44) A second circuit is coupled with the second end of the quartz oscillator and is used for generating a second clock signal with a variable frequency according to the second signal.
45) In one design, the VCO includes a voltage-to-current converter, a current amplifier, a summer, and a current-controlled oscillator (ICO).
46) In receive mode the PLL synthesiser generates the local oscillator signal.
47) A frequency stabilized Gunn oscillator is used as the pumping source of the Ist - stage parametric amplifier.
48) The example shows that the bifurcation condition of single degree of freedom nonlinear oscillator can indicates the motional behavior of nonlinear flutter system.
49) So, these two methods are limited by small parameter when they are applied to quadratic nonlinear oscillator.
50) The maximum on-time is kept as a constant and a bias current of the oscillator in the PWM controller is moderated to achieve the off-time modulation.
51) A novel technique has been developed to dynamically measure the cathode evaporation with a quartz oscillator.
52) This paper is discussed on the dependent relations between times and oscillation or energy of a forced oscillator.
53) It generates time standard signal using crystal oscillator here is the quartz crystal oscillator.
54) The theoretical analysis and experimental results of the wavelength tunability of a tandem optical parametric oscillator (TOPO) based on a single nonlinear crystal are presented.
55) The average level in the RC type oscillator, usable also difference frequency oscillators.
56) A sine - shaping circuit converts the oscillator triangle wave into a low - distortion sine wave with constant amplitude.
57) Techniques to effectively handle large voltage-controlled oscillator (VCO) gain are described.
58) A distributor (30) comprising a square waveguide (31) being connected with a microwave oscillator (20), and a square waveguide (41) having a plurality of openings (43) made in a narrow wall (41B).
59) As the key component of surface acoustic wave(SAW) gas sensor, the frequency stability of SAW oscillator affects directly the sensitivity and threshold detection level.
60) A phase locked loop (PLL) based on current mode voltage controlled oscillator (VCO) is described.
61) The main advantages of the gyroscope are that the mechanically and electrically coupling between actuation mode and detection mode are reduced through independent folded beam and oscillator mass.
62) Old theory of virtual cathode oscillator has been summarized and supplemented in detail.
63) The mechanical energy of a damped, oscillator decreases exponentially with time. 2.
64) The conversion process and data acquisition are controlled using CONVST signals and an internal oscillator.
65) The RFID analog front end includes a local oscillator, clock generator, power on reset circuit, matching network and backscatter, rectifier, regulator, and AM demodulator.
66) Note that it's essentially at RF ground, shielding the remaining grids and the plate circuit from the oscillator portion.
67) 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.
68) It could be used in the tunable oscillator, the tunable filter and the phase shifter in phased-array radar or other related area in the microwave field for its excellent nonlinear dielectric response.
69) The analytical expression of tuning bandwidth and the design of oscillator circuit are given.
70) This thesis presents one voltage controlled oscillator and two injection locked frequency dividers, which are implemented by using standard TSMC 0.18um and 0.35um CMOS process respectively.
71) This highly compact transceiver chipset consists of low noise amplifier, power amplifier with detector, voltage controlled oscillator with buffer amplifier, mixer and harmonic mixer.
72) Thus far we have negative frictional effects in the harmonic oscillator.
73) Therefore, basic costs the timing circuit mainly by the decoding monitor, "time", "the minute", "the second", "the amount" the counter and the oscillator compose.
74) In this paper, radiation of the space charge in a magnetically insulated transmission line oscillator (MILO) is studied.
75) More significantly, these two types of oscillations correspond to two crossing cycles, respectively, in the cyclic voltammogram(CV), and we found this oscillator on the CV-based criterion.
76) After comparing several CDR (Clock and Data Recovery) circuits, a new clock and data circuit based on the modified gated oscillator is proposed.
77) The circuits include low-noise amplifier, power amplifier, mixer, oscillator and passive control circuit such as switch.
78) LO ( Local Oscillator ) signal is the core of the receiver.
79) A single-supply low-power OTA-C relaxation oscillator based on the current-mode Schmitt trigger is presented.
80) There is very important value for designing microstrip quasi-optical oscillator.
81) The technology of radio improvement followed the development of the vacuum tube, the electronic-tube oscillator, the tuned circuit, and other components.
82) A simple method is used to calculate the phase volumes enclosed by energy surfaces of 2-dimensional harmonic oscillator and rigid diatomic molecule.
83) This paper brings forth a new relativistic backward wave oscillator with coaxial extractor.
84) Using the relativistic harmonic oscillator model, the helicity amplitudes of resonances are studied and the relativistic effect is addressed.
85) A resistor - condenser circuit at the input the vertical oscillator.
86) The dipole oscillator sum can be expressed in terms of the integrated photo absorption cross section.
87) The System is applicable to the coding of Oven Controlled Crystal Oscillator and the production management.
88) Quartz crystal, crystal oscillator, ceramic resonator, ceramic filter, saw filter,(/oscillator.html) ceramic discriminator.
89) This paper presents a new method for Sweep Oscillator transform to the Spectrum Analyzer by Zero-IF technique.
90) A one-port SAW resonator(SAWR) humidity measurement system is reported which is based on the modified Pierce oscillator working at 433.
91) The formula of energy levels of three dimensional harmonic oscillator in the uniform magnetic field is derived. The lowest energy level and degeneracy is discussed.
92) The satellite carrying master oscillator (SCMO) is non-coherent with the frequency standard at the ground tracking station in the non-coherent Doppler system.
93) Useing the unitary transformation and the invariance theory the damping harmonic oscillator is studied respectively.
94) We have theoretically designed a terahertz - wave parametric oscillator based on the basic principle of Parametric Oscillator.
95) Programmable power oscillator. Wide operating range 5V to 18V. High peak output current 3A.
96) At the last, based on the knowledge of system and device, a local oscillator circuit are designed, implemented , and tested for application of Bluetooth wireless transceiver.
97) The oscillator is of good stability, suitable tuning range and good wave .
98) A harmonic oscillator with time dependent frequency is studied using double wave function theory.
99) At last the principle of choosing parameters for code number controlled oscillator is introduced.
100) Thus far we have negated frictional effects in the harmonic oscillator.
101) Therefore it is important to research the mechanism and noise property of high reliable crystal oscillator.
102) The measuring principal is given . Simultaneously, the detector of sensor and oscillator circuit is developed.
103) With being often studied in the field of nonlinear circuit theory, Chua's circuit and Chua's oscillator are the simplest autonomous kind of circuits which can become chaotic.
104) In this paper, the design of a subharmonic sampling phase-locked oscillator is presented.
105) The paper studies experimentally the change of the period-adding sequences scaling constants when the order of the map describing the system varies in a simplest relaxation oscillator.
106) The Circuit is composed of a half speed phase detector, a self-balanced charge pump, a loop filter and a voltage controlled oscillator.
107) We can work out positions of a harmonic oscillator by numerical methods.
108) A first circuit is coupled with the first end of the quartz oscillator and is used for generating a first clock signal with a fixed frequency according to the first signal.
109) For a harmonic oscillator the energy levels are evenly spaced.
110) A novel technique has been developed to dynamically measure the weak cathode evaporation with a quartz oscillator.
111) The photoionization efficiency curve and the partial optical oscillator strength densities for different fragments of CO was determined by this work.
112) A resistor - condenser circuit at the input to the vertical oscillator.
113) A fully integrated low phase noise LC voltage controlled oscillator ( VCO ) is presented.
114) For the oscillator of caster, the change in motor current can inflect the change in friction between billet and mould under a certain condition.
115) It includes SAW pulse compression line, SAW oscillator and relative important electronic circuit.
115) try its best to gather and make good sentences.
116) Crystal oscillator LXO - AT Series main application is a digital system for common crystal oscillator.
117) The internal linear sawtooth oscillator is frequency-programmable by two external components RT and CT.
118) To realize low frequency drift in oscillator circuits, constant temperature controlled circuit for temperature compensation is adopted.
119) A complete pulse Gunn oscillator is composed of pulse Gunn diode, microwave circuit and pulse modulator.
120) Voltage controlled crystal oscillator(VCXO)plays an important roll in the atomic frequency standard.
121) We report on hundred watts range ytterbium-doped all-fiber laser assembly based on the master oscillator power amplifier structure.
122) 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.
123) A differentially controlled quadrature voltage-controlled oscillator (QVCO) is employed to generate quadrature (I/Q) signals.
124) A low cost RC oscillator with external synchronization was proposed based on standard bipolar process.
125) In a feedback oscillator the negative resistance will be evident only as an alternating current parameter of the circuit .
126) The sinusoidal wave generator is used for producing the ultrasonic signal carrier, realization algorithm have look-up table, recursive oscillator and Taylor series expansion approach, etc.
127) The voltage controlled oscillator is one of the key building blocks in the frequency synthesizer and its phase noise directly affects the output phase noise of the whole frequency synthesizer.
128) Which include envelop generator, low - freq oscillator, envelop control, manual control, etc.
129) The phase-locked loop by the discriminator, the ring circuit filter and the pressure controls the oscillator to be composed.
130) I also changed the test oscillator to a cmos 555 timer - better and less bits required than the op amp version.
131) A linear dispersion relation of the Virtual Cathode Oscillator (VCO)is obtained using the single charge sheet model.
132) Disturbance source, which is one of the key components in the droplets generator, is provided by piezoelectric oscillator.
133) This paper describes the design and implementation of a microwave oscillator based on Low-temperature Co-fired Ceramic(LTCC) packaging.
134) Digital PLL synthesizer is composed of reference signal, phase detector, programmable prescaler, voltage controlled oscillator and loop filter.
135) Adopt high stability crystal oscillator to ensure precise measurement and full signal input checking.
136) System clock can be external oscillator circuit, or any provision of an internal oscillator.
137) The escaping time from the potential well of quadratic nonlinear oscillator is obtained by using the multiple scales method.
138) In this way, the single oscillator circuit part (310) and the single induction heating coil (200) are used to effectively induction heat the object (201) by means of the dual frequency resonance.
139) In this paper we discuss harmonic oscillator in an electromagnetic field in the electric dipole approximation.
140) It includes taper mould, oscillator with hall-spring, Progressive straightening with stretcher, secondary cooling leader-strike and cooling water in self-acting control.
141) Incorporating 8PSK. demodulation system, Interpolator, Timing Error Detector, Loop Filter and Numerically Controlled Oscillator in DTTL Algorithm are analyzed in detail.
142) This paper studies the causality and analyticity characteristics in harmonic oscillator, and from which drives Hilbert transform pair.
143) In order to obtain the potential sensitivity, a new method using the F-Pinterferometer to measure the displacement of the spring oscillator in the traditional gravimeter is proposed.
144) Using PLL synthesis technology such as frequency multiplication and frequency division, may obtain the multi-frequencies, the high stable oscillator signal output.
145) Common to the two channels are the internal voltage regulator, voltage reference, clock oscillator, and output voltage sequencing functions.
145)
146) Applying the formula into mesoscopic system, we get the energy level of linear oscillator.
147) By computing phase noise in a Colpitts oscillator using this theory and the time varying linearization method respetively, we get the result that the PSD has a finite ...
148) Frequency Synthesizer (FS) is a very important block, which is used in a wireless transceiver as a local oscillator for frequency translation and channel selection.
149) The problems about how using of these formulas, the project choice of the phase-locked microwave oscillator and the unstability of microwave multipliers have been also discussed.
150) A gyrotron oscillator employing the hybrid interaction scheme can realize highly efficient, high-power output and broadband continuous magnetic tuning in millimeter wave band.
151) Important innovations included the Magnetron pulse generator, the klystron local oscillator, planar tubes (e. g. "lighthouse" tube), and semiconductor microwave mixer diodes - The list goes on and on.
152) As an example, a dynamic invariant is constructed for the generalized time dependent harmonic oscillator by employing the solution to the corresponding classical equations of motion.
153) By using a ring voltage controlled oscillator(VCO), chip area and production cost were saved.
154) A GaAs FET Oscillator stabilized by a dielectric resonator with a feedback loop has been developed.
155) The article to at89C51 monolithic integrated circuit chip, the crystal oscillator, various primary devices which as well as the pressed key control model involved has made the detailed introduction.
156) In this paper, experimental findings on the coaxial virtual cathode oscillator at Institute of Applied Electronics of CAEP are reported.
157) Piezoelectric vibrator and its fabricating method, piezoelectric oscillator, electronic apparatus and radio wave timepiece.
158) This applicationmodulates the threshold voltage and, thereby the time delay, of a free-running oscillator.
159) The formula of energy levels of three dimensional harmonic oscillator in the uniform magnetic field is derived.
160) The PLL2 phase detector is similar to the PLL1 detector and compares the line flyback pulse at HFLB (pin 1) with the oscillator sawtooth voltage.
161) The core circuit of local oscillator signal part, quadrature modulation part and frequency multiplier and amplifier part is designed and implemented.
162) He used a bulb in a Wien bridge oscillator circuit to solve the problem of how to regulate the output without causing distortion.
163) The local oscillator signal is mixed with the information - signal to change its frequency up or down.
164) Double wave function quantum theory is applied to describe the motion of three dimension isotropy charged harmonic oscillator in a uniform magnetic field.
165) From the generalized linear quantum transformation theory, we obtain the normal product form of evolution operator and the wave function for a time-dependent oscillator.
166) The ring oscillator is intended to serve as a clock generator or as a part of VCO that to be used in a mix-signal area.
167) Relations between interband transitions and harmonic oscillator model, and between optical properties and dimensionality are discussed.
168) The generalized even and odd coherent states (E-O CSs) of a finite-dimensional space non-harmonic oscillator are constructed, and their nonclassical properties are studied by numerical method.
169) Within a radiation shielded environment the fuze self heterodyne oscillator output with noise modulation interference has been sampled by a computer data collection system.
170) In the meantime, the paper illustrates the design of the analog circuit in this system using the example of a voltage controlled oscillator.
171) Low Frequency Oscillator waveform, including sine, triangle, square, random, and sawtooth.
172) The oscillator consists of two Colpitts VCOs and a transformer, it uses transformer coupling technique and differentially tuned MOS varactors for reducing phase noise.
173) The operating principle of quartz oscillator vacuum gauge and its characteristics of crystal oscillation are described and discussed.
174) Our understanding of why a domestic cat purrs is becoming more complete; most scientists agree that the larynx (voice box), laryngeal muscles, and a neural oscillator are involved.
175) This paper describes a method making use of microprocessor, analog to digital converter (A/D) ,( ) voltage controlled oscillator(VCO) to generate the function waveform.
176) Still further, a controller may be coupled to receive a control signalcorresponding to a variable impedance level, and control a local oscillator coupled to the mixer responsive to the control signal.
177) The article studies a simple method for any energy level of three dimensional harmonic oscillator in uniform magnetic field.
178) A relaxation oscillator is an oscillator in which a capacitor is charged gradually and then discharged rapidly.
179) Presented in this paper are the configuration and performances of a Q-band injection-locked Gunn oscillator with its output connected to a phase-locked reference source by a circulator.
180) As a key component of surface acoustic wave (SAW) gas sensor, the frequency stability of SAW oscillator affects directly the sensitivity and threshold detection level.
181) Low phase noise VCSO depends on the realization of low loss, high Q value SAW resonator and low-noise oscillator circuit.
182) In home first use stability crystal oscillator at the same time.
183) The System is to code Controlled Crystal Oscillator in accordance with the specifications and its info.
184) An analog multiplier phase detector (PD), a one-pole passive low pass filter and a three-stage ring oscillator with variable negative-resistance loads build up the monolithic phase-locked loop.
185) Mesoscopic double resonance mutual inductance and capacitance coupling circuit is quantized by the method of harmonic oscillator quantization.
186) The article introduced the principle and apply of the transistor avalanche through four example of transistor oscillator, avalanche oscillator, audio signal generator, flash metronome.
187) This invention relates to a new quartz oscillator with adhered surfaces and its manufacturing method.
188) Firstly, a diode-ring coupling technique has been used to design a quadrature voltage-controlled oscillator (QVCO), which consists of two n-core VCOs.
189) We designed a relaxation oscillator with 1MHZ frequency and 94% duty cycle, which is composed of hysteresis comparator and charge and discharge circuit with constant current.
190) The harmonic oscillator is an exceptionally important example of periodic motion.
191) A onemeasurement system is reported which is based on the modified Pierce oscillator working at 433.
192) The proposed CPPLL is made up of a no dead zone phase frequency detector(PFD), a loop filter(LPF), a charge pump(CP),[/oscillator.html] a voltage-controlled oscillator(VCO) and dividers.
193) An electronic pulse generated periodically by a crystal oscillator to synchronize the actions of a digital device.
194) Dynatron, light-emitting diode, electrolytic capacitor metalized capacitor, inductance , safety capacitor , crystal oscillator , and other kind of electronic components tape.
195) The second oscillator is a transformer coupling quadrature VCO with current reused technology.
196) The phase detecting error caused by local oscillator frequency drift and non-synchronization of measurement signal and gate signal is eliminated and the measurement speed is improved at the same time.
197) The key building blocks in the frequency synthesizer are the voltage controlled oscillator (VCO) and the high frequency divider circuit.
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