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经典的拓扑优化SIMP方法，Sigmund写的(Classical SIMP topology optimization methods, Sigmund write)

化学从宏观现象的 研究越来越深入到微观本质的探讨，即物质结构的观点更加广泛深入地渗透到化学各分支学科的领域。(Study of chemical phenomena from the macro to the micro nature more and more in-depth discussion, the view that the structure of matter and wider and deeper penetration into the area of various branches of chemistry.)

A good Appendix from Wiley Pub Group for understanding Genetic Algorithm you can download from Wiley Web.

均匀圆阵的二维music算法，有两个信号，采用meshgrid画图(Uniform circular array music algorithm, there are two signals, using meshgrid drawing)

FFT实践及频谱分析,帮助理解FFT及谐波处理的一些问题(Practice and FFT spectrum analysis, FFT and harmonic treatment to help understand some of the issues)

宽带天线的表面电流，辐射功率和方向图的计算，包含频率扫描(wideband antenna: surface currents,radiation pattern and the calculation of power, including the frequency sweep)

在一張低對比度的影像(image_1.bmp)，請針對這張影像實現同態濾波(homomorphic)高斯高通濾波器的演算法(Homomorphic filtering (homomorphic) Gaussian high pass filter algorithm for this image in a low-contrast the image (image_1.bmp))

this file is a source code for character recognition with Hebb rule( Neural network)

fdtd计算无限长圆柱导体散射问题，可以计算RCS，包含解析解，此代码经过我自己的修改，与网络版本不同，更加好用(fdtd calculate infinite cylindrical conductor scattering problem, you can calculate RCS, it contains analytical solution, this code through my own changes, and network versions, easier to use)

说明：  此例程可实现FMCW雷达数据处理得到距离。(This routine can realize the FMCW radar data processing to get the distance.)