exam4_2

discription of cdma modem coding

说明：  文件中包含掌握与精通Matlab书中的所有程序源代码。(File contains the master and the master book, all of the programs Matlab source code.)

说明：  ex4_2 用MATLAB作巴特沃斯低通滤波器设计 ex4_3 用MATLAB作切比雪夫-1型低通滤波器设计 ex4_4 切比雪夫-2型低通滤波器设计 ex4_5 椭圆型低通滤波器设计 ex4_6 传递函数的模拟滤波器数字化 ex4_7 脉冲不变法简单实例 ex4_8 脉冲不变法巴特沃思低通滤波器设计 (ex4_2 using MATLAB for Butterworth low-pass filter design using MATLAB for ex4_3 Chebyshev-1-type low-pass filter design ex4_4 type-2 Chebyshev low-pass filter design ex4_5 elliptic low-pass filter design ex4_6 transfer function digitization of analog filters ex4_7 the same method is simple example of pulse-pulse unchanged law ex4_8 Butterworth low-pass filter design)

学习压缩感知时自己编写的初步重建程序，有利于加深理解压缩感知的理论(Preliminary reconstruction program, write your own learning compressed sensing, a better understanding of the theory of compressed sensing)

m sequence polynomial

this code generates swell signal

2DPSK（差分编码调制）调制与解调。用matlab实现(2DPSK (differentially encoded modulation) modulation and demodulation. Using matlab)

multiple antenna echnques that is used in wimax is a good tutorial for wimax antenna

用matlab编程，rbf神经网络进行负荷预测的程序(Using matlab programming, rbf neural network load forecasting procedures)

控制GPIO AM335x_gpio_control (am335x gpio control )