chap4

本程序由经典９９行拓扑优化程序改编，可以反向进行反向夹持器的拓扑优化( A 105 LINE TOPOLOGY OPTIMIZATION CODE BY OLE SIGMUND, JANUARY 2002 This example is selected from the document of "on the design of compliant mecanisms using topology optimization" Note the input displacement is specified as 5e-3mm here )

New image point brightenss convolution of template with image

code for improved Euler method by using MATLAB program

1D FDTD simulation between free space and dielectric medium with absorbing boundary conditions,calculating the fourier transform of electric field (1D FDTD simulation between free space and dielectric medium with absorbing boundary conditions, calculating the fourier transform of electric field)

MATLAB关于FFT频谱分析的程序，以余弦信号和矩形波为例做了详细说明，并给出了在噪声时的情况。(MATLAB on the FFT spectral analysis procedures, the cosine signal and the rectangular wave, for example to do a detailed description is given in the case when the noise.)

自己编的一个计算信噪比的程序，可用于相应模型的功率谱估计(Made themselves a calculated signal-to-noise ratio of the program can be used for the power spectrum of the corresponding model estimates)

说明：  在盲信号处理过程中，通过该算法实现信号分离(Blind source seperation)

说明：  优化常用的共轭梯度法和投影梯度法求解目标函数最优解问题(Conjugate gradient optimization of common law and the projected gradient method problems the optimal solution objective function)

主程序产生一个稀疏信号调用子程序进行迭代重建(Main program calls subroutine to generate a sparse iterative signal reconstruction)

任意发送天线，任意接收天线的STBC-MIMO-OFDM的MATLAB程序，其中包括完整的PSK调制，STBC编码，信道估计等。(Arbitrary transmitting antenna, receiving antenna arbitrary STBC-MIMO-OFDM the MATLAB program, including the integrity of PSK modulation, STBC encoding, such as channel estimation.)