qiankui

对学好matlab很有用 ，对理解通信原理的一些很有用(Matlab to learn useful principle in understanding the communication of some very useful)

GPS系统C/A码的产生，37颗卫星的都有，还可以输出前10位进行验证(GPS system, C/A code generation, 37 satellites have, you can also output the first 10 to verify)

fir滤波器，7、8、13、14，对信号进行alpha、betagamma滤波，调用方法 Hd = fir_alpha 滤波后信号 = filter(Hd,原信号) 得到的信号是时域信号，plot直接显示(Fir filter, 7, 8, 13, 14, alpha filter for signal method is called Hd = fir_alpha After filtering signal = filter (Hd, the original signal) Signal is time domain signals, the plot showed directly)

基于matlab的语音回波抵消系统仿真设计中FFT转换部分程序(Voice echo cancellation system based on matlab simulation in the design of FFT transform part of the program )

说明：  牛顿法的一个有用介绍,对学习用牛顿法求解非线性方程的有用(a usful description of newton method )

两个站点的测向交叉定位的三维GDOP仿真(triangle GDOP)

小波分次谐波分解 用来解决傅里叶分解难以处理的分数次谐波(Harmonic decomposition wavelet decomposition is used to solve difficult to deal with fractional Fourier harmonics)

第三代小波工具箱，非常好的资料，2013最新(Third-generation wavelet toolbox, very good information, 2013)

This program calculates the discrete fourier transform of values in a 1d array

solemnization: Finding the skeleton in the given image which can be use in many application such as object detection by combining it with some methods such as region growing