Wavelet analysis, also called wavelet transform, is a new analysis method with good time frequency localization characteristic, so it is suitable for fault analysis of power system.
小波分析(或称小波变换)是一种新的时频分析方法,它具有良好的时频局部化特性,适用于电力系统故障分析。
Power transformer is the important electrical equipment used to transform voltage in the power system, so it is very important to improve the operation reliability of power transformer.
电力变压器是电力系统中用来变换电压的重要电气设备,提高电力变压器运行可靠性是极为重要的。
For the realtime requirement of Remote Watching in Power system, the theory of Video Compression and the application of Wavelet transform are systematically studied.
本文根据电力系统遥视中的实时性要求,系统而深入地研究了视频压缩编码的理论以及小波变换在视频压缩中的应用。
In that case, Fourier transform system with long focal length and high power lens and method of linear decision are proposed.
以肺癌细胞筛选为例,提出用长焦距、高倍率的傅里叶变换系统和线性判别处理。
In this paper, the Householder orthogonal transform algorithm is used to solve the problems of power system state estimation.
本文提出用豪斯·霍尔德正交变换算法,求解电力系统的状态估计问题。
Fast Fourier transform (FFT) is the main algorithm for harmonic analysis in electric power system, but when there is the decaying DC component in input signal, FFT algorithm will have higher error.
快速傅里叶变换(FFT)是电力系统进行谐波分析的主要算法,但当输入信号中含有衰减直流分量时,FFT算法会产生较大的误差。
Hardware in the control system is composed of 87c196mc microcontroller, power transform, driving circuit and detection unit and with good property of anti-interference.
控制系统的硬件由87c 196MC单片机、功率转换及驱动电路、检测环节构成,具有较好的抗干扰性能。
The change of wire rope traction belt-conveyor after transform of power brake system.
介绍了钢丝绳牵引胶带输送机制动系统改造方案前、后的对比。
The paper investigates applications of neural network and wavelet transform in power system, which provides necessary and reliable base of applications of fault location in distribution system.
本文对神经网络和小波分析在电力系统中的应用进行了研究。为其在配电故障测距中的应用提供了必要的和可靠的研究基础。
After deeply studied in the fast Fourier transform (FFT) method, this paper presents an improved FFT algorithm considering the half-wave symmetric characteristic of power system signals.
在深入分析快速傅里叶变换(FFT)方法的基础上,针对一类电网信号具有半波对称性的特点,提出了一种改进的FFT算法。
Wind power generation system makes use of wind turbines to transform wind energy into electrical energy and then store the electrical energy for use.
风能发电系统是利用风力发电机把风能转化成电能并储存的发电系统。
Wind power generation system makes use of wind turbines to transform wind energy into electrical energy and then store the electrical energy for use.
风能发电系统是利用风力发电机把风能转化成电能并储存的发电系统。
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