Helmholtz

采用16QAM调制方式对一串二进制信息进行基带调制，并分析其功率谱，在AWGN信道上进行传输，并解调，最后对其误比特（BER）性能加以分析。(Using 16QAM modulation methods on a string of binary information in the baseband modulation, and analyze the power spectrum, in the AWGN channel for transmission, and demodulation, the last of its bit error (BER) performance analysis.)

PATTERN MATCHING METHOD.ITS USED FOR SHAPE CONTEXT PROCESS

使用viterbi方法译码的源代码，可以绘制最佳路径选择过程的仿真图(Viterbi decoding method using the source code, you can draw the best path selection process simulation diagram)

buck环路建模，主要用于buck的建模仿真，可以用于Buck的环路稳定性建模仿真。(Buck loop modeling, mainly for Buck modeling and simulation, can be used for Buck loop stability modeling and simulation.)

TEST images for image processing

说明：  径向基函数神经网络（RBF）的MATLAB程序，比较详细，希望对学习RBF的人有帮助(Radial basis function neural network (RBF) of the MATLAB program, a more detailed study RBF people who want to help)

This is a program to calculate the Photonic Bands of two dimension Photonic Crystal with circular inclusions. It calculates both TE and TM modes (E and H polarization).(This is a program to calculate the Photonic Bands of two dimension Photonic Crystal with ci rcular inclusions. It calculates both TE and TM modes (E and H polarization).)

thinning is used to eliminate unwanted noise

说明：  matlab使用BP网络的例子,使用Levenberg Marquardt算法提高训练速度,效果不错(use Matlab BP example, the use of Levenberg Marquardt algorithm to improve training speed, good results)

遗传算法优化BP神经网络-非线性函数拟合(BP neural network optimized by genetic algorithm for nonlinear function fitting)