optical-basic-princilpe

用MATLAB实现了微分方程数值解的解法，程序具有极强的通用性，并且还有对算例的说明，非常实用(Realized by MATLAB Solution of differential equations, the program is extremely versatile, and there is a description of examples, very practical)

实验四 数字解调与眼图 1. 验证2DPSK 相干解调原理。 2. 验证2FSK 过零检测解调原理。 (Four digital demodulation experiment with eye diagrams 1. verify the 2DPSK coherent demodulation. 2. Verify 2FSK zero-crossing detection and demodulation principle.)

Numeric Digits recognition using neural network

传感器网络节点定位算法matlab代码，利用无线传感网络的zigbee节点进行定位的MATLAB源程序(Sensor network node localization algorithm matlab code, using zigbee wireless sensor network node positioning matlab source)

说明：  低通信号抽样定理、13折线A律逐次比较型PCM编译码(Low-pass signal sampling theorem, 13 successive line A comparative law PCM codec)

交通分布中的无约束重力模型，matlab程序(A matlab program of unconstrained gravity model in traffic distribution.)

MMA and GCMMA two methods for nonlinear optimization(MMA and GCMMA two methods for nonlinear optimization)

仿真不同占空比，等概、非等概双极性矩形随机信号的归一化功率谱密度，分析不同信号所包含的频谱分量，有无直流分量和定时分量信息 (Simulation different duty cycles, etc. There is, and so there was a non-random signal bipolar rectangular normalized power spectral density analysis of the spectral components of different signal contained, with or without DC component and timing component information)

一个自然梯度的盲源分离matlab算法,希望对大家有用(A natural gradient algorithm for blind source separation matlab hope for all of us)

合成孔径雷达仿真源代码，包括chirp信号、回波仿真、脉冲压缩、距离徙动、距离多普勒算法等五个源代码，是学习SAR仿真很系统的资料。(Synthetic aperture radar simulation source code, including the chirp signal echo simulation, pulse compression, range migration from Doppler algorithm source code, learning SAR simulation system.)