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说明：  32qam调制在AWGN信道中的符号误码率(32qam modulation symbols in the AWGN channel BER)

介绍Auto focus的文章，主要介绍了对焦技术，探测技术；包括频域分析、目标函数、目标函数效能验证、影像评估效能之因素、高斯低通滤波器参数的选取、自动对焦技术；以及相关实验结果与分析。(Introduction Auto focus of the article introduces the focus technology, detection technology including frequency domain analysis, the objective function, the objective function performance verification, image assessment of the effectiveness of the factors, Gaussian low-pass filter parameter selection, auto-focus technology and related experimental results and analysis.)

calculation of Kerr Nonlinearity of nonlinear optical crystal.it is a 3rd order nonlinear process.

说明：  这段代码的功能是生成高斯滤波器的，用matlab来实现的。(The code s function is to generate Gaussian filter with matlab achieved.)

微带多模谐振器的谐振频率的提取程序，就是在已知线宽，线长和介质基底的情况下如何计算得到其多个谐振频率。学习多模谐振器数值分析的同学可以参考一下。(Multi-mode microstrip resonator resonance frequency extraction procedure is known in the case of the line width, line length and the dielectric substrate to which a plurality of resonance frequencies calculated. Learning multimode resonator numerical analysis of the students can refer to.)

SMI算法的MATLAB仿真，可用于智能天线(MATLAB simulation SMI algorithm can be used for smart antenna)

说明：  最近邻算法实现的 matlab源程序 .m格式的(Nearest neighbor algorithm matlab source. M format)

遗传算法，能很好解决一系列不定向性问题效果很好(Genetic algorithm can solve a series of uncertain sexual problems very good results)

％ 本程序实现2维TM波FDTD仿真 ％ 此程序用PML设置吸收边界条件 ％ FDTD_2D_kongqi_PML ％ 仅喊有Ez,Hx,Hy分量( Of the procedures to achieve 2-D TM wave FDTD simulation this program set up with PML absorbing boundary condition FDTD_2D_kongqi_PML have only shout Ez, Hx, Hy component)

说明：   R/S分析法程序,用于分析时间序列波形特征(R/S analysis program for analyzing the time series waveform feature)