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振荡器
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  oscillator
    ELECTROMAGNETIC ANALYSIS OF THE OSCILLATOR WITH A CAP STRUCTURE
    帽结构振荡器的电磁分析
短句来源
    Phase Noise of the Phase-Locked Microwave Oscillator and its Measurement
    微波锁相振荡器的相位噪声及其测量
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    A Discussion on The Sinusoidbl Oscillator Using The Twin-T Frequency Selection Network
    双T选频网络正弦波振荡器讨论
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    A NEW TYPE MILLIMETER-WAVE GUNN OSCILLATOR
    新型毫米波Gunn振荡器
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    A STUDY OF Q-BAND HYBRID INTEGRATED GUNN OSCILLATOR
    Q波段混合集成体效应振荡器的研究
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  oscillators
    About the Classification of Transistor LC Three Terminal Oscillators
    关于晶体管三点式LC振荡器分类的讨论
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    A Study of Spectral Form and Quality of the Phase Noise in Oscillators
    振荡器相位噪声的谱形及品质研究
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    SIMULATION STUDY ON NOISE IN HARMONIC OSCILLATORS
    谐波振荡器噪声特性的模拟研究
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    NONLINEAR THEORIES OF FREQUENCY AND AMPLITUDE STABILITY IN SINUSOIDAL FEEDBACK OSCILLATORS
    用非线性理论阐述正弦反馈振荡器的频率和幅度稳定度
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    Research of Techniques to Lock High-stability Crystal Oscillators Based on GPS
    基于GPS锁定高稳晶体振荡器技术的研究
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  gunn oscillators
    In chapter two, based on the theory analysis of two-port second-harmonic Gunn oscillators, W-band phase-locked sources are achieved.
    第二章中对毫米波双端口振荡器进行了深入研究,研制成功W波段模拟和数字锁相源;
短句来源
    At first, according to the theory analysis on the foundamental and harmonic modeof &unn oscillator, two kinds of two-port second-harmonic Gunn oscillators, one isbias-tuned, and another is varactor-tunable, are presented, and the oscillators havebeen stabilized in phase-locked loops.
    本文首先对毫米波双端口耿氏谐波振荡器中的二次谐波和基波的相互作用进行了理论分析,研制成功高Q腔稳频的偏压调谐双端口振荡器和变容管调谐双端口振荡器
短句来源
  “振荡器”译为未确定词的双语例句
    A METHOD OF FREQUENCY STABILITY MEASUREMENT WITHOUT FREQUENCY STANDARD
    在没有标准频率信号源的情况下测量振荡器频率稳定度的一种方法
短句来源
    The phase noise in the locked condition is measured to be -107 dBc/Hz at 10 MHz offset,and that of the ring VCO at the central frequency is -99 dBc/Hz at 10 MHz offset.
    环形振荡器在偏离中心频率为10MHz处的单边带相位噪声为-107dBc/Hz. 在锁定条件下,锁相环在偏离中心频率为10MHz处的单边带相位噪声为-99dBc/Hz.
短句来源
    The two ports negative resistance oscillating network is analyzed and an extremum-line model of microwave transistor oscillating network output impedance is developed.
    对双端口负阻振荡网络进行了理论分析,介绍了三种双端口负阻振荡网络的分析方法,在负阻振荡器参数优化问题上提出了微波晶体管负阻振荡网络输出阻抗的极值线模型,该模型把对反馈元件和谐振元件参数的二维搜索问题转化为一维搜索问题,所以使优化过程大大简化,缩短了电路设计时间。
短句来源
    The author's main research work is focused on the design of LNA, Mixer and DRO in smart antenna at 3.95GHz, and LNA in smart antenna at 1.9GHz.
    本文的主要工作体现在3.95GHz智能天线射频电路中低噪声放大器、单平衡混频器、介质振荡器的设计,以及1.9GHz智能天线射频中低噪声放大器的设计。
短句来源
    Using the system optimization method, designed the X band DRO, which reached the desired specification.
    利用优化的系统设计方法,根据测速雷达对信号源的要求,设计的X波段介质振荡器达到了预定的设计指标。
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  oscillator
A digital accelerometer is developed by using a ring oscillator (RO) and a mixer.
      
Based on this fact, firstly, a snake-like robot controller with cyclic inhibitory CPG model was designed, and then the stability of a single neuron, CPG model and the NON (neuron oscillator network) was analyzed.
      
A method based on the energy dissipation mechanism of an Independent Oscillator model is used to calculate the frictional force and the friction coefficient of interfacial friction.
      
The dipole oscillator strengths for the 1s22s-1s2np and 1s22p-1s2nd (n ? 9) transitions of V20+ ion are calculated with the energies and FCPC wave functions obtained above.
      
The calculations are based on the liquid drop macroscopic model and the microscopic model with the modified single-particle oscillator potential.
      
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  oscillators
Numerical modeling bore out efficiency of this method for any number of oscillators.
      
Block-circuits of phase-locked systems, which act as frequency synthesizers and misphasing correctors, for timing oscillators of digital signal processers are designed.
      
Examples of applying the method of passification and adaptive observers to the problems of synchronization of the nonlinear oscillators and message transmission by chaotic signals were presented.
      
Analytical synthesis of oscillators on two oscillatory links
      
Simplest Kinetic Schemes for Biochemical Oscillators
      
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  gunn oscillators
A theoretical description is given of an experimentally established dependence which determines the interrelation between the resistance of a semiconductor structure in weak electric fields and the characteristics of Gunn oscillators.
      
The CW power and mechanical tuning range obtained from the circular waveguide Gunn oscillators are found to be comparable and sometimes even better than those obtained with conventional rectangular waveguide circuits using the same Gunn device.
      
Phaselock system for millimeter-wave Gunn oscillators used in radio astronomy and laboratory spectroscopy
      
The Gunn oscillators are phase-locked via the bias in an active second-order servo loop.
      
Investigations on optically controlled millimeter wave Gunn oscillators
      
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A method of frequency stability measurement of oscillators is described. By means of the relations between frequency variances of oscillators and their beat-frequency variances, we can determine the frequency variances of oscillators without frequency standard. The errors of this method are also discussed. In general; the errors of this method are tolerable.

本文叙述一种测定振荡器频率稳定度的方法。利用振荡器频率的方差和它们的拍频的方差之间的关系,可以决定某一振荡器频率的方差。因而只要测量拍频的方差就能得到振荡器频率的方差。在某些条件下,这种测量方法的误差是可以容忍的。

This paper discusses the capture bandwidth of the phase-locked loop using the phase plane method. The phase-locked loop consists of sinusoidal phase comparator, nonlinear ratio-plus-integral filter, and voltage-controlled oscillator (VCO). In the discussion, the practical saturating nonlinearity of the VCO was considered. From this work was derived the general relation between the capture bandwidth and the coefficient of non-linearity of the filter, and that of time constant of the filter and the coefficient...

This paper discusses the capture bandwidth of the phase-locked loop using the phase plane method. The phase-locked loop consists of sinusoidal phase comparator, nonlinear ratio-plus-integral filter, and voltage-controlled oscillator (VCO). In the discussion, the practical saturating nonlinearity of the VCO was considered. From this work was derived the general relation between the capture bandwidth and the coefficient of non-linearity of the filter, and that of time constant of the filter and the coefficient of non-linearity of the VCO. Its several special cases were discussed, and experimental results given. These results accord with the theoretical analysis fundamentally.

本文利用相平面分析方法,讨论了在鉴相器输出端接有非线性比例积分滤波器的锁相回路的捕获带宽。在分析中,对鉴相器考虑实际中最常碰到的正弦特性,同时考虑了电压控制振荡器(VCO)的实际饱和非线性。导出了系统的捕获带宽与校正网络非线性系数、校正网络时间常数和VCO非线性系数之间的关系式,并讨论了几种特殊情况。文中附有实验结果。理论结果与实验结果基本吻合。

A 15 cm band microwave integrated receiver has been made. A frequency stabilized Gunn oscillator is used as the pumping source of the Ist-stage parametric amplifier. The main part of the parametric amplifier is made on a 30mm×40mm alumina substrate. The over-all noise figure including the last stage of the mixer and IF amplifier lower than 3db is obtained. The frequency band of the parametric amplifier is about 3-4%.

我们研制了15厘米波段的微波集成接收机。第一级参量放大器,采用体效应振荡器做泵源,加有稳频装置。参放主体制做在30毫米×40毫米的氧化铝瓷片上。包括后级混频器和中频放大器在内的整机噪声系数为F<3分贝,参放通频带约3—4%。

 
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