rengongfengqungaijin

本程序利用杜修力－陈厚群功率谱，考虑空间二维相干的hao相干函数模型的沿桥纵向地震波(This procedure using DU Xiu-li- Chen Houqun power spectrum, consider the space of two-dimensional coherence function hao coherent model of the longitudinal seismic waves沿桥)

说明：  介绍MATLAB使用的相关知识和技巧，对入门者比较有用。(MATLAB introduce the use of relevant knowledge and skills useful for beginners comparison.)

说明：  利用平稳随机信号各态历经性，用周期图法对随机信号进行功率谱估计(The use of smooth ergodic random signal, and use periodogram of random signals, power spectrum estimation)

说明：  MATLAB编写的求单位脉冲响应曲线的性能参数指标程序(MATLAB units for the preparation of the impulse response curve of performance parameters indicators procedures)

边界层厚度损失分析的matlab程序 很实用!(boundary layer thickness loss analysis Matlab procedure very practical!)

Generation of ASK: Amplitude shift keying - ASK - in the context of digital communication is a modulation process which imparts to a sinusoid two or more discrete amplitude levels 1. These are related to the number of levels adopted by the digital message. For a binary message sequence, there are two levels one of which is typically zero. Thus the modulated waveform consists of bursts of a sinusoid. Demodulation of ASK: ASK signal has a well defined envelope. Thus it is amenable to demodulation by an envelope detector. Some sort of decision-making circuitry is necessary for detecting the message. The signal, which is a binary sequence is recovered by using a correlator and decision making circuitry. Matlab Program for Frequency shift keying program for Quadrature Amplitude Modulation Matlab program for phase shift keying program for Quadrature Phase shift keying

matlab supporter file programming

压缩文件中代码为一维维纳滤波代码，基于matlab环境实现，通过对改程序的学习，可以加深对维纳滤波原理的理解(weiner filter)

有相位跳变的单频信号，信号时域波形的刻画和FFT程序。注释完整，可读性高。(a single-frequency signal with phase jump and its FFT is described in this program and the explain is detailed, easy to read.)

快速傅立叶变换（时域抽取基二fft）matlab程序源码(Fast Fourier Transform (time-domain samples di fft) matlab program source code)