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设计一个60阶的滤波器，要求设计的滤波器0~π/8的幅度为1，在π/8~2π/8的幅度为1/2，在2π/8~4π/8的幅度响应为1/4，在4π/8~6π/8的幅度响应为1/6，在6π/8~π的响应为1/8，并且画出理想滤波器和设计得到的理想滤波器的幅度频率和响应进行比较(Design of a 60-order filter designed filter 0 ~~ π/8 the amplitude is 1, the π/8 ~ 2π/8 the amplitude is 1/2, 2π/8 ~ 4π/8 amplitude response is 1/4, 4π/8 ~ 6π/8 the amplitude response of 1/6, 6π/8 ~ π response of 1/8, and draw the ideal filters and design of an ideal filter amplitude frequency and response to compare)

信号与信息处理——阵列信号处理DOA估计的matlab算法，这是求根MUSIC和MVDR算法的源代码，非常有用的代码(Signal and information processing- array signal processing matlab algorithm for DOA estimation, which is Root MUSIC and MVDR algorithm source code, very useful code)

a code that inserts ur given watermark in an image using the dct domain

Matlab Functions for determining if certaion matrix is: 1) Symmetric 2) Lower/Upper triangular (Unit/Strictly/Non-Strictly) 3) n-Banded 4) (Strictly) Diagonally Dominant 5) Isn t it positive definite

说明：  最小二乘法数学程序及其算法仿真，详细说明最小二乘法流程(RLS example Least squares mathematical program and its algorithm simulation, detailing the least squares process)

MCMC代码，非常适合初学者进行试验，加深理解，马尔可夫链蒙特卡罗(MCMC code, ideal for beginners to experiment, to deepen understanding, Markov chain Monte Carlo)

waveletEMDimproved的原始版本，以小波软阈值降噪对信号进行预处理，对预处理后的信号进行EMD分解(the original version waveletEMDimproved, wavelet soft threshold denoising preprocessing the signal, signal pretreated with EMD)

MUSIC一维算法的经典谱估计程序，已运算过，下载即可使用(MUSIC algorithm is a classic one-dimensional spectral estimation procedures have been operational before, you can use to download)

This algorithm solves the otimization problem min_x | y - A x |_2^2 + lambda Phi(x) and has applications in compressed sensing, image restoration and reconstruction, sparse regression, and several other problems.

ofdm最简单平台，加入加兴高斯白噪声，其他模块需要自己添加(ofdm The easiest platform)