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采用四边形网格划分,利用matlab实现二维拓扑优化问题!(Using quadrilateral mesh, using matlab to achieve two-dimensional topology optimization problem!)

无约束优化程序解决数值优化问题。在优化算法中有重要作用。(Optimization procedures for solving numerical optimization problems. In the optimization algorithm has an important role.)

採用擬合法求兩曲綫的公切綫，效率很高，精度要求也還能滿足一般需要(Demand curve fitting using the two common tangent, high efficiency, accuracy can also meet the general needs)

对HARQ系统的吞吐量分析，实现典型相关分析，基于chebyshev的水声信号分析。( HARQ throughput analysis of the system, Achieve canonical correlation analysis, Based chebyshev underwater acoustic signal analysis.)

基于matlab的数字pll实现，鉴相器，滤波器以及压控震荡器组成，具备良好的锁相功能，适合入门学习(Digital PLL based on MATLAB, phase detector, filter and voltage controlled oscillator, phase lock function has good, suitable for beginners to learn)

matlab code about image processing

THESE ARE THE POWER ELECTRONIC SIMULINK BLOCKS

Introduction to matlab tutorial with matlab codes for example to guide the readers

均匀线阵方向图形成，包含没有波束指向和30°波束指向，加切比雪夫权值（旁瓣幅度相同）(Uniform linear array pattern formation, with no beam pointing and 30 ° beam pointing, Gache Chebyshev weights (the same side-lobe amplitude))

基于普通的SLM方法降低OFDM的PAPR，并验证了M（子载波数）的作用(reduce the PAPR of OFDM)