wave frequency的例句大全

The main contents of power energy include frequency deviation, voltage deviation, voltage fluctuation and flicker, voltage unbalance, temporary or transient over-voltage, wave distortion, voltage dips and interruption, power supply reliability and so on.

电能质量的内容包括频率偏差、电压偏差、电压波动与闪变、三相不平衡、暂时或瞬时过电压、波形畸变、电压暂降与短时中断以及供电连续性等。

A high accuracy and quick detection algorithm for phase and frequency of power fundamental wave based on the cyclic shift character of the base phasor

基于基相量循环移位的基波相位和频率高精度快速检测方法

These reasearch results will greatly promote advancement of theory of aging and breakdown under such pulse condition. As a result, frequency control technique can be widely used. A novel PD signal measurement system and statistic analysis software is presented under square wave pulse voltage.

通过这些研究，将极大地促进变频条件下绝缘老化和击穿理论的发展，使变频调速技术应用前景更加广泛。设计了一种新的脉冲电压下局部放电测量系统和统计分析软件。

Millimeter wave radar has had its peculiar advantages as compared with centimeter wave radar at working frequency, antenna, atmospheric transmission features and tracking precision.

毫米波雷达与微波雷达相比，在工作频率、天线、大气传输特性和跟踪精度等方面均有其独特的优点。

Application of Hopping& Spread Frequency with Gold-Sequence in Millimeter-Wave Identification Friend or Foe System

Gold序列跳变扩频在毫米波敌我识别系统中的应用

Common methods classify animals by their difference in sound pulse rate, wave form structure in time domain and main peak frequency in frequency domain et cetera.

传统的鸣声分类时一般依据不同种动物鸣声信号在时域波形上的波形结构和脉冲率等的不同，功率谱上相对幅度最大所对应的频率即主频的不同来进行分类。

When the incident wave is Gauss pulse, the response characteristics at ports both time and frequency domain varies with incident angles.

高斯脉冲干扰时，微带线感应电压、电流的时域和频域特性随入射角度而变化。

This method can be applied to different countries' UWB frequency spectrum programming for its flexible control of pulse frequency and bandwidth.2.An improvement is made to the multi-user Prolate Spheroidal Wave Functions ( PSWF) IR UWB orthogonal pulse waveforms design.

该方法具有频率、带宽的灵活可控性，适用于不同国家的UWB频谱规划方案。2.对多用户椭球波函数（PSWF）脉冲UWB正交波形设计方法进行了改进。

The frequency width of the fundamental wave depends primarily on the inner diameter of the spiral curve, and with the inner diameter fixed, the phase velocity of the fundamental wave can be adjusted by changing the spiral pitch.

基波的频带宽度主要决定于螺旋线的内径，在内径确定的情况下，可以通过改变螺距对基波的相速度大小进行调节；

Research on transmission characteristics and frequency selection of seismic short wave communication in Liaoning

辽宁区域地震短波通信传播特性和频率选择探讨

a new symplectic geometrical high frequency approximation method for solving the propagation of electromagnetic wave in an inhomogeneous medium is presented.

提出了一种基于辛几何的高频近似的新方法，并用此方法求解了电磁波在一非均匀媒质中的传播问题。

in the first stage, the amplitude sequence of modulating signal is generated by addressing waveform memory and added by the frequency value of carrier wave in the adder. the parallel output of the adder is served as the frequency control word of the second phase accumulator.

在第一级寻址结构中产生的调制信号幅度序列和载波频率值在加法器中相加，并将相加的结果作为第二级相位累加器的频率控制字；

regarding frequency modulated continuous wave signal, the spectral analysis of instantaneous frequency is used to extract modulation parameter.

对于调频连续波信号，对其瞬时频率进行频谱分析来提取调制参数。

the dissertation includes an analysis of the influence of phase modulation parameter, group velocity mismatch and the wave-length of incident wave on the waveforms of frequency doubled pulses; shows the influence of the chirp of fundamental wave on shg conversion.

论文分析了相位调制参量，群速度失配量及入射波波长对倍频脉冲波形的影响；研究了基波啁啾对倍频转换的影响。

characteristics of outer frequency spectra of wind waves measured in wind wave flume

风浪槽内风浪外频谱谱形的一些特征

in addition, line mode and zero-mode voltage wave cross each other at the point of fault which causes the natural frequency "aliasing" .

此外，故障电压行波于非对称短路点发生线模与零模行波相互交叉透射，致使故障电压自然频率“混叠”。

the characteristics of low frequency plasma wave propagation affected by parallel current

平行电流条件下等离子低频波动的特征

analysis of small wave-packet used in local discharge of super-high frequency detecting transformer

小波包分析在超高频检测变压器局部放电中的应用

frequency assignment and electromagnetism calculation in short- wave link calculation based on its

基于ITS的短波链路频率指配与电磁计算

exact wave function of a quantum oscillator with time-dependent frequency and driving

具有时间依赖的频率和驱动的一个量子振子的精确波函数