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这是一个基于空时分组编码的MIMO_OFDM通信系统的仿真设计。此系统包括QPSK调制解调，IFFT调制，空时编解码，基于训练符号的信道估计等通信模块。(This is a space-time block codes based on the MIMO_OFDM Communication System Simulation and Design. This system consists of QPSK modulation and demodulation, IFFT modulation, space-time coding and decoding, based on training symbols such as communication channel estimation module.)

空间谱估计基本原理 MUSIC，ESPRIT算法(MUSIC，ESPRIT)

优化问题分类：（非）线性规划、整数规划、0-1 规划、（多）目标规划、（与时间有关的）动态规划、（系数是随机变量的）随机规划。 (Optimization problem categories: (non-) linear programming, integer programming ,0-1 plan, (multiple) goal programming, (and time-related) dynamic programming, (coefficient is a random variable) stochastic programming.)

snake方法的主要局限性在于要求初始化要靠近期望的解和对边界的凹形部分的分割存在困难，GVF解决了这两个问题，并将其用于snake图像分割(The main limitation is the snake method requires initialization to be close to the desired solution and the boundary of the concave part of the division of the difficulty, GVF solve these two problems, and for the snake segmentation)

simulation UPQC in matlab using state space model

说明：  数据处理后，利用matlab进行逻辑回归运算，建立回归模型(After data processing, use matlab to carry on the logic regression operation, and establish the regression model)

Self-Orthogonalizing Frequency-Domain Adaptive Filter Based on Haykin, Adaptive Filter Theory 4th ed. Section 7.2

matlab语音编程必看书籍，清华出版，是matlab语音编程的指南(matlab voice must-see programming books, Tsinghua published matlab voice programming guide)

通过matlab编程，实现了快速傅里叶基4的变换(Through matlab programming, achieve a fast Fourier transform base 4)

斑点消除双边滤波器，根据UsMB2010年的文章实现。(speckle reducing bifilter )