Chapter_4

adaboost的訓練data的方法，並利用在matlab上幫助使用者可以快速的訓練data。 (adaboost method of training data, and help users to quickly take advantage of training data on matlab.)

image processing filter

说明：  在OFDM系统中，这个是发端的编码程序，比较详细的说明(OFDM systems, this is the originator of the coding process)

Number of characters in the file.

y3k=fft(u,(m+n-2)/4) i=1:(m+n-2)/4 subplot(5,2,9) stem(i,u) title( 滤波后上采样 ) k=1:(m+n-2)/4 subplot(5,2,10) stem(k,y3k) title( 上采样频谱 ) xlabel( k ) ylabel( y3k ) (y3k = fft (u, (m+ n-2)/4) i = 1: (m+ n-2)/4 subplot (5,2,9) stem (i, u) title (after filtering the sample) k = 1: (m+ n-2)/4 subplot (5,2,10) stem (k, y3k) title (on the sample spectrum) xlabel (k) ylabel (y3k))

linefitting and curve fitting

这个Matlab程序计算在高斯白噪声（Additive White Gaussian Channel ）下BPSK调制中的错误概率。(The Matlab procedure in the Gaussian white noise (Additive White Gaussian Channel) under BPSK modulation of the error probability.)

hanning window for filter matlab code with example

该文件为FP数据挖掘的matlab程序，文件中包含一个程序文件和一个数据文件，可以方便的进行验证计算。(This is a file for matlab FP data mining program, the file contains a program file and a data file, you can easily verify calculations.)

用matlab编写波前编码系统光学传递函数mtf在不同离焦下随相位板参数的变化曲线(the curve of mtf along with the change of phase plate parameters under different focal )