frequency variation的例句大全

Research on steady-state overreach of power frequency variation distance relay

工频突变量距离继电器稳态超越的研究

The frequency variation filtering technique is applied to extract the fundamental surface wave signal from the records based on long period Rayleigh surface wave data from Chinese Digital Seismological Network ( CDSN).

根据中国数字化台网（CDSN）记录到的长周期Rayleigh面波资料，使用频变滤波技术从记录中提取基阶振型面波信号；

a constant pressure water-supplying system based on speed regulation by frequency variation

基于变频调速的恒压供水控制系统

Transformation of Speed Control System by Frequency Variation in Cooling of Sintering Conveyor Belt

烧结带冷变频调速控制系统改造

For Shanghai power grid, which has large short circuit capacity and short electrical distance, a method using imported instrument to test power frequency variation distance protection is presented.

结合上海电网具有短路容量大、电气距离短的特点，提出了使用进口仪器测试工频变化量距离保护的具体方法。

Weak frequency variation detection based on chaos' resonant frequency-locking characteristic

基于混沌共振锁频特性提取微弱频率变化

Precursor Information in Frequency Variation before Strong Earthquake of Guangxi Province History

广西历史强震前地震频度变化的震兆信息

the stake of winning machine drawn by electricity and speed regulation by frequency variation

浅谈变频调速电牵引采煤机的制动

With the application of auto-regressive integrated moving average algorithm, sampling frequency can trace the frequency variation of measured signal, which can realize complete alternation sampling.

运用广义预测方法，使采样频率跟踪被测信号频率的变化，实现整周期采样，保证测量精度。

LNB Frequency Variation and Emergency Measures Along with Environment

LNB本振随环境的变化及应变措施

The laser feedback interference in λ/ 4 phase-shifted index-coupled and gain-coupled Distribute Feedback laser diodes is analyzed. The threshold gain and oscillation frequency variation in DFB laser diode are theoretically deduced, and present the expression of complex feedback sensitivity.

分析了λ/4相移折射率耦合型及增益耦合型分布反馈激光器的自混合干涉效应，推导出分布反馈激光器的增益及频率的变化，并给出复反馈灵敏度系数表达式。

To use frequency variation to regulate the speed of navigation lock gate, reducing the gate crush due to improper position of the position limit switch and enabling the lock gate more stable in speeding up and down.

在船闸闸门调速中采用变频调速，减轻了闸门因限位开关位置不当等原因造成闸门碰撞，使闸门运行中加减速更加平稳。

The variation rules of damper parameters for vibratory wheels under different frequency and different amplitude of vibration are analyzed to provide basis for the research of vibratory wheel-soil system.

分析振动轮在不同频率、不同振幅情况下，减振器性能参数的变化规律，为开展振动轮&土壤系统研究提供依据。

The results show that the non-linearity is mainly attributed to a thermal fluctuation magnetic after effect and a numerical variation of the magnetic domain with frequency.

结果表明，非线性主要来源于热起伏磁后效和为了降低微涡流损耗而引起的磁畴数随频率的变化。

Analysing the Variation of Free Piston Stroke and Frequency under Variant Working Conditions

变工况下自由活塞行程、频率变化分析

Numerical studies showed that small variation of the basic frequency might cause a qualitative movement change of the fibrous cap.

数值模拟结果表明，纤维帽内外压力差脉动频率的微小变化有可能导致纤维帽运动形式产生质的改变；

A Wake Field Detection Mothod Using Laser Wavefront Variation Frequency shift of laser pulse propagating in wakefield

一种利用激光波前变化检测尾流场的方法尾波场中传播的激光脉冲的频率漂移

according to ( european cooperation in the field of scientific and technical research) cost 207, modeling of the frequency selective fading channel which results from the time variation and delay spread of transmission was analyzed.

根据欧洲科学与技术研究协会207工作组标准，讨论了由信号传输的时延和时变性引起的频率选择性衰落信道的建模方法；

The variation of temperature coefficient of resonator frequency with tolerance factor was discussed.

分析了谐振频率温度系数随容忍因子的变化关系。

The reflection and the radiation characteristics of the slot pair are calculated. Some curves are presented, including the variation of the magnitude and phase of electric field in slot apertures and the VSWR in waveguide with slot length and frequency.

计算了缝隙对的反射特性与辐射特性，给出了缝隙对口面电场的幅值和相位以及波导驻波比随缝隙长度和频率的变化曲线。