do-oddania

说明：  此文件为模理退火的matlab源代码,适合参加数学建模的同学使用(This document is the rationale for the mode of annealing matlab source code, suitable for students to participate in the use of mathematical modeling)

matlab源代码，是非负矩阵分解工具箱，包含乘法更新，最小二乘约束，投影梯度法等方法(Usage: [W,H] = nmf(X,K,alg,maxiter,speak) W: output matrix H: output matrix X: input matrix K: number of components alg: algorithm to use maxiter: maximum number of iterations speak: print to screen Algorithms: mm: Multiplicative updates method using euclidean distance measure. cjlin: Projected gradient method prob: Probabilistic non-negative matrix factorization. als: Alternating least squares. alsobs: Alternating least squares with optimal brain surgeon. Demonstrations: PET: NMF on a PET dataset Text: NMF used on a three different datasets Email, medical, and CNN. Algorithms mm: Multiplicative update method using euclidean distance measure. Described in Lee and Seung, 2001, Algorithms for Non-negative Matrix Factorization, Advances in Neural Information Processing Systems 13, 556-562. This algorithm is the most commonly used algorithm to solve NMF. cjlin: Alternative non-negative least squares using projected gradients. Author: Chih-Je)

验证可用，有信道编码，调制，信道估计等，ldpc码的编解码实现。( Verification is available, Channel coding, modulation, channel estimation, Codec ldpc code implementatio.)

Script for computing BER with Binary Convolutional Code and Viterbi decoding. Convolutional code of Rate-1/2, Generator polynomial - [7,5] octal Hard decision decoding is used.

Matlab入门资料，关于Matlab的一些基本运用。(rumenziliao)

active and apparent power

针对雷达信号的脉冲压缩处理，进行了仿真，并加了汉明窗，以对比主副瓣比的改善(For pulse compression radar signal processing, simulation, and add a Hamming window to contrast ratio improved sidelobe)

Turbo 码作为一种性能优越的信道码, 其应用逐步推广到深空通信、卫星通信和移动通信, 并被推荐为第三代移动通信的信道编码方案之一。本设计实现了通用的Turbo 码的编译码(Turbo codes as a superior performance of channel code, its application gradually extended to deep space communications, satellite communications and mobile communications, and was recommended as one of the channel coding scheme third generation mobile communications. The design and implementation of the encoding and decoding of Turbo codes common)

分形中轨线的最小李雅普诺夫指数的计算,讨论算法优化的文章(Fractal trajectory calculation of the smallest Lyapunov exponent, the article discussed Algorithm)

复旦大学matlab课程，Fourier transforms的代码以及教学课件(Fudan University matlab course, Fourier transforms of the code, and courseware)