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说明：  平均周期图法和平滑平均周期图法估计功率谱 从经典功率谱估计周期图法原理入手，从理论上分析了其存在的局限性，借助Welch算法对其进行修正。依靠Matlab强大的数值分析和信号处理能力进行实验!! 用周期图法和welch法分别估计了一下信号的功率谱密度。采样频率200Hz，时间序列长度2048，FFT数据点数2048。其中welch法使用hanning窗，窗口长度600．(Average periodogram and periodogram smoothing method to estimate the average power spectrum from the classical power spectrum estimation periodogram principle starting from the theoretical analysis of the limitations of its existence, with the Welch algorithm, amending them. Rely on the powerful Matlab numerical analysis and signal processing capabilities to experiment!! With periodogram and welch method were estimated signal power spectral density about. Sampling frequency of 200Hz, the time sequence length 2048, FFT data points 2048. Welch method which uses hanning window, the window length of 600.)

说明：  直接序列扩频的一个例子，对学习这方面知识，和编程都有很好的帮助(An example of direct-sequence spread spectrum, to learn that knowledge, and programming are very helpful)

matlab例题 初学者试用 没有价值的东西(no value Example matlab beginners try something)

是MATLAB中常用的函数，非常适合初学者，对于工程师研究人员等也可作为手册来查(MATLAB function is commonly used, is suitable for beginners, for engineers, researchers, etc. may also be a manual check)

File: WriteToWordFromMatlab Descr: This is an example of how to control MS-Word from Matlab. With the subfunctions below it is e to automatically let Matlab create reports in MS-Word. This example copies two Matlab figures into MS-Word, writes

css效果，鼠标放上去之后图片灰色转彩色(After the mouse on image gray color)

多尺度图像处理，包括边缘检测等，matlab分模块函数编写(multiscale image processing，inculding edge detecting by matlab)

matlab R2012a 超级学习手册随书源代码(Matlab R2012a Super Learning Manual with Book Source Code)

Matlab源程序，里面含有大量经典源代码,送给喜欢用matlab编程的朋友！<数字信号处理>的matlab编程.(Matlab source, it contains a large number of classic source code, gave Matlab programming like friends! Lt; Digital signal processing gt; The Matlab programming.)

maltab program for formation of bus impedance and admittance matrices