exa130202

极大似然算法辨识程序, 系统辨识里面常用的辨识方法(Maximum likelihood algorithm for identification procedures, system identification methods which identification of common)

用于MIMO检测的sphere decoder程序( This function implements a soft output sphere decoder. Based on the paper: C. Studer, M. Wenk, A. Burg, and H. Blocskei: "Soft-Output Sphere Decoding: Performance and Implementation Aspects", Asilomar 2006 R ... is an upper triangular matrix obtained from the QR decomposition of the MIMO channel H s ... received symbol (column) vector, s=Q^H*y dist_ZF ... Distance for the zero forcing solution symbols_ZF ... ZF solution M ... number of bits encoded in every layer [1 x nTA] symbol_alphabet ... for the demapping [nTA x 2^max(M)], filled with zeros for smaller symbol alphabets bittable ... matrix containing the bits according to the symbol_alphabet [sum(M) x 2^max(M)])

SPIHT多级树集合分裂算法的基础知识，讲解详细，适合于入门者理解算法的基本思想。(SPIHT multi-level tree splitting algorithm is a collection of basic knowledge, to explain in detail, suitable for beginners to understand the basic idea of the algorithm.)

基于奇异值分解的图像压缩。分别给出了灰度及RGB真彩图的压缩代码。　　 (Based on singular value decomposition of the image compression. Are given respectively grayscale and RGB true color pictures of the compression code.)

说明：  cma自适应恒模算法，由接受信号估计信道的自适应恒模算法(cma constant modulus adaptive algorithm, to receive signals from the adaptive channel estimate constant modulus algorithm)

Program of Particle Swarm Optimization

将线性模型拟合为线性或二次数据。 它是一个演示线性回归的脚本。 有益于学习(Fit a linear model to linear or quadratic data)

亚波长光栅波等效折射率研究，可改材料和周期(subwavelength structure analysis)

说明：  巴特沃思和契比雪夫滤波器，有wav文件以及输出的wav文件，使用带通滤波器，保留了300-3300Hz的音频，可以广泛使用在音频滤波方面(Butterworth and Chebyshev filter, wav files and output wav file, the use of band-pass filters, retained the 300-3300Hz audio can be widely used in audio filtering)

digital to analog converter