band diagram of 2D photonic crystal

统计分析频谱特性，对初步学习matlab的兄弟们有一定的价值(statistical analysis)

说明：  这是初学者学习Matlab的经典课件，第一到五章，包含微积分问题、线性代数问题以及数据拟合方法等(This is the classic beginner learning courseware Matlab, first to the five chapters, including the issue of calculus, linear algebra problems, and data fitting methods)

matlAB code for edge detection by ant colony

对仿真信号进行小波分解，进行小波阈值降噪处理(Wavelet Denoise)

电力系统无功优化算法，matlab程序代码，调试通过。(Reactive power optimization algorithm code, debugging through)

数字图像处理中 图像增强的matlab源码及示例(image enhance)

单纯形法的灵敏度分析 有需要的人可以看看 (matlab )

说明：  6. 在三条径的瑞利信道中，对于OFDM： (1) 请设计一种具体的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK调制时的误码率性能。画出比特信噪比与信道估计均方误差的关系曲线，画出比特信噪比与误码率的关系曲线。 (2) 设频率已同步，请设计OFDM一种具体的采用循环前缀进行时间同步方法，用Simulink进行仿真，画出比特信噪比与捕获概率的关系曲线。 (3) 设时间已同步，请设计OFDM一种具体的采用循环前缀进行频率同步方法，用Simulink进行仿真，画出比特信噪比与频率同步误差的关系曲线。 (。 6 In the three path Rayleigh channel for OFDM: (1) Please design a specific guide-assisted channel estimation method, the Simulink simulation, BPSK modulation measuring the bit error rate performance. Draw-bit signal to noise ratio and channel estimation mean square error curve, draw-bit signal to noise ratio and bit error rate curve. (2) set the frequency has been synchronized, the design of a specific OFDM cyclic prefix used for time synchronization method, the Simulink simulation, draw-bit signal to noise ratio and capture probability curve. (3) set time has been synchronized, the design of a specific OFDM cyclic prefix used for frequency synchronization method, the Simulink simulation, draw-bit signal to noise ratio and frequency synchronization error curves.)

ASK,PSK调试，不是书上常见的调制方法。实用原信号序列延拓后得到。(ASK,PSK modulation, but not regular method seen in kinds of testbooks.)

用matlab设计FIR和IIR滤波器的设计函数与例程(filter of iir and fir)