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线性插值工具，能够很好的解决插值问题的matlab源程序 (Linear interpolation tool that can solve the problem of interpolation matlab source)

说明：  小波去噪程序，在别人的程序上有一定的修改，对于任意声音文件a.wav进行小波去噪。(Wavelet denoising procedure, in others there are certain procedural changes, for any sound file a.wav wavelet denoising.)

说明：  数字水印的嵌入和检测，dct， 作者Mao Li Purpose:an algorithm to achieve the embeding watermarking to a image by dct bloking and hvs,then detect the watermarking by comparability. (digital watermark embedding and detection, Copy, the writer Mao Li Purpose : an algorithm to achieve the embeding watermark ing to a image by Extra bloking and hvs. then detect the watermarking by comparability .)

功能 y=tanque(x)全球阿尔法贝塔 k Ti 我h0=x(1)H =; 15R = 1.5;x=(R-(R/H)*h0)= Pi * x ^2;β = 1/A;= 1;alfa=(a*sqrt(2*9.8*h0))/(2*A*h0) ε = 0.65;wn = 0.85; k =(2*epsilon-alfa)/β;Ti =(2*epsilon*wn-alfa)/wn ^2;我 = 1/钛;y = [阿尔法贝塔 k Ti];

用GPIB卡配合matlab测量相频曲线源代码，完整的程序，enjoy it！谢谢！(With GPIB card with the measurement of phase frequency curve matlab source code, complete the procedure, enjoy it! Thanks!)

完成M=4的DPSK通信系统的蒙特卡洛仿真，信号波形为snr2ps(snr_in_dB) 求出以dB为单位的给定信噪比的比特误码率和符号误码率.(Completion of M = 4 of the DPSK communication system Monte Carlo simulation, the signal waveform is snr2ps (snr_in_dB) calculated in units of dB signal to noise ratio for a given bit error rate and symbol error rate.)

在输入输出信号中加入高斯白噪声。这是在很多工程领域必须加入的。此文件是matlab中信号加入高斯白噪声的文件(In the input and output signals in white Gaussian noise. This is in many engineering fields must be added. This file is in matlab adding Gaussian white noise signal file)

常规潮流计算，采用牛拉法、直角坐标系，并有IEEE6、14、30、57、118、300节点数据和计算结果(Conventional flow calculation, using cow Rafah, Cartesian coordinates, and IEEE6, 14,30,57,118,300 node data and calculated results)

视频关键帧提取，用欧氏距离函数，提取视频的关键帧

语音信号的干扰去除.对原始信号进行频谱分析，确定干扰的频率；根据干扰的特点采用不同的滤波器对信号进行处理(Remove the interference of speech signals. On the original signal spectrum analysis to determine the frequency interference according to the characteristics of interference filters with different signal processing)