According to the characteristics of harmonic current caused by nonlinear load of power system,an approach to harmonic impedance assessment is proposed,which applies wavelet transform to process the disturbance signal of power quality and emphasizes the distorted signals.
针对电力系统中非线性负荷所产生的谐波电流特点,提出应用小波变换处理电能质量扰动信号,突出畸变信号以进行谐波阻抗估计,克服了傅里叶变换无法进行时-频局部化分析的缺陷,提取出局部时间范围内所需频带信号。
On the basis, an analysis of the relationships between runout signal distortion, bit error length and foreign substances is given by numerical method.
首次建立了磁光盘读出光场与基片杂质特性的数学模型，利用数值分析方法研究了读出信号畸变、误码长度与杂质特性的关系。
A distorted sine signal is simulated in the system,and the on-line harmonic monitoring is carried out through this system,revealing the state of its basic wave and harmonic waves.
该系统模拟生成一畸变正弦信号,并运用该系统实现谐波的在线监测分析,得出其基波与谐波的情况。
A distorted sine signal is simulated in this paper, and the harmonic analysis is carried out through the above measure, revealing the state of its basic wave and harmonic waves.
文中模拟生成一畸变正弦信号,并运用该方法对其进行谐波分析,得出其基波与谐波的情况。
Electrical Network Power Flow Analysis and Research on New Measuring Methods of Electric Energy on the Condition of Distorted Signals;
畸变信号条件下电网功率潮流分析与电能计量新方法研究
A Method to Recognize Power System Instantaneous Voltage Distortion Signal Based on Independent Component Analysis
基于独立分量分析的电力系统瞬时电压畸变信号判别方法
isochronous signal distortion tester
等时信号畸变测试器
isochronous signal distortion testing equipment
等时信号畸变测试仪
In data communications, a deterioration in the characteristics of a signal for whatever reason.
在数据通信中由于某种原因而造成的字符信号畸变现象。
Distortion Analysis of Linear FM Signal and Comparision among Three Kinds of Intermediate Amplifiers
关于线性调频信号的畸变分析及三种中放系统的比较
A new parameter for evaluating waveform distortion of partial discharge signals after de-noising
一种用于评价PD信号去噪前后波形畸变的新参数
Ocean is a complicated and changeable channel which may distort the signals and degrade the performance of communication system.
海洋是一个复杂多变的信道,它会使声信号产生畸变从而降低通信系统的工作性能。
In order to implement real-time correction of distortion, encoder must encode the digital signals synchronously when decoder begins to decode the analog signals.
为了实现畸变的实时校正,要求解码器对模拟信号解码与编码器对数字信号编码必须同步进行。
A deliberate change in waveshape, introduced either to counteract the expected effect of a subsequent transmission path or to render the signal less susceptible to noise.
有意引入的波形变化,以抵消其后传输通道的畸变作用或减小噪声对信号的影响。
The signal thus received will no longer look like a square wave but will be distorted in shape and spread out in time.
这样收到的信号看起来不再象矩形波，而是受到畸变，并且持续时间延长了。
The BMP-Smad Signal Passageway during Orthodontic Tooth Movement in Rats;
大鼠正畸牙齿移动过程中BMP-Smad的信号通路研究
The Investigation of Mechanism on Abnormality of Chromosome 21 and Malignant Hematological Disorders
21号染色体畸变与恶性血液病发生机制的研究
photogrammetric distortion
摄影测量畸变差，畸变差
Study on the Effects of Pluse Radiation Distortion on the Performance of IR-UWB;
脉冲辐射畸变对IR-UWB通信系统性能的影响研究
Distortion of the Environment of Information: Public Sentiment Ponders on Communications over "Illegal Lottery ticket" in the Countryside;
信息环境的畸变:农村“私彩”舆情的传播学思考
Approach to signal detection in doubly-spread channels based on STFT
基于STFT的水声双扩展畸变信道检测算法
Effects of localized deformation on acquisition precision in inter-satellite laser communications
星间光通信中局部波前畸变对捕获精度的影响