1) periodic narrowband interference
周期性窄带干扰
1.
As periodic narrowband interference is inevitable in the gas insulated switchgear (GIS) partial discharge (PD) ultra-high-frequency (UHF) detecting system, such interference should be suppressed during field detection.
根据PD信号与周期性窄带干扰小波变换后的不同特点,剖析了抑制周期性窄带干扰的常用方法--小波系数直接置零法的局限性,提出了可以用于抑制周期性窄带干扰的有效小波系数(EWC)阈值法,并以所构造的db4复小波对仿真信号与实测GIS特高频PD信号进行了对比去噪研究。
2) periodic narrow bandwidth interference
窄带周期性干扰
3) periodical narrow-band interference
周期窄带干扰
1.
Focused on several kinds of interferences in the partial discharge(PD) signals of transformer,wavelet packet based method is proposed to suppress the white noise;the digital trap filter is designed to suppress the periodical narrow-band interference.
针对电力变压器在线监测的局放信号中包含各种干扰的问题,提出使用小波包的方法去除局放信号中的白噪声干扰,使用数字陷波滤波器去除局放信号中的周期窄带干扰,并用MATLAB 7。
4) periodic interference
周期性干扰
1.
Suppressing periodic interference by wavelet transformation;
利用小波方法抑制周期性干扰
2.
The article discusses a periodic interference cancellation system based on adaptive filter theory,and introduces the system form and structure principle.
文中讨论了一种基于自适应滤波原理的周期性干扰对消系统,介绍了系统组成及结构原理。
3.
In the paper,periodic interference in PD monitoring system and its characteristics are analyzed.
在分析局部放电监测系统中的周期性干扰特征的基础上 ,从解决IIR陷波滤波器存在的问题着手 ,提出了一种适用于宽频带局部放电在线监测中抑制周期性干扰的直接陷波滤波方法。
5) Narrow-band Suppressing Jamming
窄带压制性干扰
6) narrowband jamming
窄带干扰
1.
Research of GPS receiver acquisition performance under narrowband jamming;
窄带干扰下GPS接收机捕获性能的研究
2.
Finally suppression of the narrowband jamming in the subspace after it is projected is discussed too.
讨论了从雷达回波的时间采样中构建协方差矩阵,分解成干扰子空间和信号噪声子空间,在干扰子空间投影后进行窄带干扰抑制。
3.
Models of narrowband jamming are analyzed and simulated in this paper.
对窄带干扰信号的产生模型进行了分析和仿真,推导出了窄带干扰下直接序列扩频通信系统解扩的处理公式。
补充资料：胎圈过窄、子口窄、圈窄等
分子式：
CAS号：
性质：又称胎圈过窄、子口窄、圈窄等。轮胎工业中指两胎圈宽度不一致的现象。
CAS号：
性质：又称胎圈过窄、子口窄、圈窄等。轮胎工业中指两胎圈宽度不一致的现象。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条