振荡频率

结果石英晶体振荡频率随溶液粘度和密度、离子浓度、pH的增大而降低。

Results The oscillation frequency was decreased in accordance with the increase of viscosity , density , ion concentration and pH value .

结果表明采用调制频率接近同步振荡频率fs的高频幅度调制，可以提高束流寿命。

The AM ( Amplitude Modulation ) with the modulated frequency closed to the longitudinal synchrotron oscillation frequency increases the beam lifetime .

关于运放RC移相式振荡器的振荡频率的分析与计算

On the Frequency Analysis and Calculation of Operational Amplifer RC Phase-shift Oscillator

集成运放RC相移型振荡器振荡频率的分析与计算

Oscillation frequency analysis and calculation of integrated operational amplifier RC phase shift oscillator

得到时域结果后，运用FFT求出了有源天线的振荡频率。

After getting the result in time domain , the frequency of oscillation is obtained by FFT .

阐述了在不提高外部振荡频率的前提下，保证各唱名频率精确度的方法，给出了用ABLE语言编写的实现小数分频器和控制、译码电路程序。

With on increase of the exterior oscillation frequency , the precision of the note frequency is secured . The control and decode sequence is composed with ABLE language .

每种特定状态下的磁流体都具有一个固有振荡频率（MHD特征频率）。

Each given state of MHD has an inherent fluctuation frequency ( eigen frequency of MHD ) .

结果表明，在拉比振荡频率线性化的情况下，量子信息保真度的演化表现出很好的周期性，周期与动态Stark位移参数有关。

It is shown that evolutions of fidelity reveal perfect periodicity and the periods are affected by dynamic Stark shift .

由于环境温度对SAW延迟线振荡器的振荡频率影响较大，传感器的输出不仅决定于质量沉积区所沉积的质量，还决定于测量时所处的环境温度。

As oscillating frequency of acoustic surface wave delay line oscillator is influenced by temperature , output frequency of the sensor is not only determined by deposited mass , but also determined by temperature .

基于特征长度可变的思想，本文改进了Heller的频率预估方程，改进后的频率方程能更好地预估空腔的振荡频率。

Based on the different characteristic lengths , Heller 's frequency equation was modified .

VCO有振荡频率范围、相位噪声等关键技术指标。

There VCO oscillator is sensitive for the frequency range , phase noise and other key technical issues .

基于这种机制的GaNn+nn+振荡器的自振荡频率在太拉赫兹范围内。

GaN n ~ + n n ~ + oscillators based on this mechanism have a self-oscillating frequency in the terahertz ( THz ) range .

本文对BC型激光二极管（LD）从理论上导出弛豫振荡频率公式，并在实验上得到了验证。

In this paper , the relaxation frequency formula of the BC laser diode ( LD ) is theoretically derived , and confirmed experimentally .

压控振荡器（VCO）是一种振荡频率随外加控制电压变化的振荡器，是频率产生源的关键部件。

Voltage-controlled oscillator ( VCO ), which outputs frequency controlled by varying voltage is a key component in frequency generator .

天鹰座X-1能谱和千赫兹准周期振荡频率的相关

Correlation between the Kilohertz Quasi-Periodic Oscillation and Energy Spectrum of Aql X-1

对不同结构DBR激光器的振荡频率及输出功率进行了理论推导。

Different types of DBR lasers are discussed and the oscillating frequency and output power of are deduced .

同时模拟了连续和长脉冲泵浦下激光器的弛豫振荡频率，结果表明Tm：YAG晶体更适合重复频率千赫兹以下的调Q。

The laser relaxation oscillation frequency is also calculated under continuous and long pulse pumping . The results show that Tm : YAG crystal is more suitable for Q-switched operation under kHz repetition rate .

微波振荡频率用自动频率控制（AFC）的方法自动锁在有载腔的频率上。

The microwave oscillator frequency is locked to the resonant frequency of loaded resonator by means of automatic frequency control ( AFC ) .

DRO有着优异的性能，关键在于介质谐振器（DielectricResonator，DR）的高Q值谐振回路和可以对振荡频率进行锁定。

The Dielectric Resonator ( DR ) is key to the performance of the DRO in that it defines the high Q of the resonator circuit and locks the oscillator frequency .

文章利用容性耦合电流放大器作为压控振荡器的基本反馈单元，并在输出端增加MOS电容来控制振荡频率；

The capacitive coupled current amplifier is used herein as the basic feedback unit of the VCO and the oscillation frequency is controlled through MOS capacitance in the output .

介绍了采用脉冲计数法，即利用555定时器来产生RC多谐振荡频率和单片机CPU的高速强大的计算及可编程功能，用软件查表的方法实现电容量高精度智能化的测量。

This thesis describes the way of pulses counting , using 555-timer to create RC shocking frequency , then carry out intelligent capacit measure with high accuracy by the fundamentals of single-chip microcomputer and software checking book .

BEPC储存环自由振荡频率测量系统包括前端电子学系统、测量系统和激励系统。

The tune measurement systems in the BEPC storage ring include the front end electronic system , PLL measurement system and beam exciting system .

本方法原理为ESPS的振荡频率随表面活性剂吸附质量的增加线性的下降。

The oscillating frequency of the ESPS decreases linearly with increasing adsorption mass of the surfactant .

通过与固定振荡频率的信号进行混频、低通滤波得到差频信号来反映油水浓度的变化。对具有近似平稳特征的低频信号建立ARMA预测模型；

The frequency signal is mixed with a fixed frequency signal , and goes through a low-pass filter . Then the approximate stationary low frequency signal is predicted using ARMA model ;

在单机无穷大系统中运用积分流形理论对系统高阶状态方程进行降阶处理，以推导系统的振荡频率和阻尼比，从机理上就HD对低频振荡的影响进行定性分析。

Integral manifolds theory was introduced to reduce the order of the system state equations in order to determine the oscillation frequency and the damping ratio in single-machine infinite bus system ( SMIBS ) .

通过分析自振荡频率ωc与系统频率特性的关系、振荡线性化精度与输入信号和自振荡信号频率比ω0/ωc的关系，提出了自振荡频率的设计方法；

By analyzing the relation between the self oscillation frequency and the system frequency response , the relation between the precision of the harmonic linearization and the frequency ratio of the input signal and self oscillation signal , a method to design the self oscillation frequency is brought forward .

通过分析A／D转换结果，可对ADC进行柱状图测试，并同时检测模拟核的振荡频率，实现对模拟核的振荡测试。

By analyzing the AD converting results , histogram test of ADC can be taken , and the oscillation frequency can be checked , by which means oscillation test of the analog core is realized too .

振荡频率为150r／min，此条件下酶促拆分的对映体过量值达到93.28%。

Shaking speed at 150r / min. The ee % has been 93.28 % . The effect of enzyme sources and solvents on the hydrolysis resolution was investigated .

在亚胺基二乙酸树脂（D401）吸附钬（Ⅲ）的最佳pH条件下，详细研究了浓度、温度、振荡频率对亚胺基二乙酸树脂吸附钬（Ⅲ）的吸附速率的影响。

The influences of concentration , temperature and oscillations frequency on the adsorption rate of diglycolamidic Acid Resin for Holmium have been studies systematically under the best pH value .

BEPC储存环束流振荡频率测量系统包括一台频谱仪，两个条形电极装置，两个电压放大器和一个束流振荡检测器。

The tune measurement system of the BEPC storage ring includes a spectrum analyzer , two sets of the stripline , two voltage amplifiers and a beam oscillation detector .