signal distortion noise

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。

Performance comparison between noise signal and chirp signal in correlation measurement;

相关法测量中的噪声信号源和扫频信号源的性能比较

Application of Wavelet Packet and Grey Theory in Analysis of Lathe Noise Signal;

小波包与灰色理论在车床噪声信号分析中的应用

This paper advances a method for treating the random vibration signal and noise signal of silkworm chrysalis, and probes into how to eliminate the disturbing values in the random vibration signal of silkworm chrysalis.

提出了一种处理蚕茧随机振动以及噪声信号数据的方法,探讨了如何剔除蚕蛹随机振动信号的干扰值。

By comparing the phase space of the “signal noise” received by an oceanic lidar with those of the deterministic signal, the stochastic signal and the chaotic signal, it is found that there exists similarity between the phase trajectory characteristics of the signal noise and the chaotic signal.

通过对海洋激光雷达信号噪声的相空间分析，并通过与确定信号、随机信号、混沌信号相空间的比较，首次发现了海洋激光雷达接收信号噪声与混沌信号相似的相轨迹特征，初步揭示了海洋激光雷达信号噪声的混沌特性。

There are two kinds of noises, the one is the inner noise such as thermal noise and conductivity noise, and another is the outer noise which caused by network effect or synaptic transmission such as signal noise.

在真实的环境中,影响神经元动力学活动的噪声可以分为两类:一类是内秉的噪声,例如热噪声和由于离子通道开关的随机性所引起的噪声即电导噪声;一类为来自于网络效应和突触传递的外部噪声源,例如信号噪声。

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