envelop

MATLAB的三维重建程序，很好用的，其中有两个函数(MATLAB three-dimensional reconstruction process, a very good use, there are two functions)

自己编写的对一幅图像实现最近邻插值和双线性插值，可以直接运行，效果很好。(Write your own images of a nearest neighbor interpolation and bilinear interpolation, can be run directly, the effect is very good.)

帮朋友写的主成分分析，有图形显示，注意请自行判断数据是否需要转置。(Help a friend wrote principal component analysis, a graphic display, attention please judge for themselves whether the data needs to transpose.)

自己编写锁模激光程序，有些不完善的地方请见谅(Local mode-locked laser to write your own program, please forgive me some imperfect)

 产生长度为1000的标准正太分布的随机信号，画出时域波形及频谱；  采用u=255的非均匀PCM编码，每符号为8bit，画输入-输出关系图；  计算信号量化噪声比（SQNR）；  信道误码率为10-3；  解码，并画出u律反变换后的信号时域波形及频谱。 扩展要求：  采用均匀PCM、量化级数可变、信道误码率可变。 ( have a standard length of 1000 is too random signal distribution, draw time-domain waveform and frequency spectrum  u = 255 using the non-uniform PCM encoding, each symbol for 8bit, drawing input- output relationship diagram  calculated quantization noise signal than (SQNR)  channel bit error rate of 10-3  decoder, and law to draw u the signal after the inverse transform time-domain waveform and frequency spectrum. Expansion of the requirements:  uniform PCM, quantization level variable, a variable channel bit error rate.)

car plate localization

matlab 遗传算法优化BP神经网络完成代码 调试通过(matlab genetic algorithm to optimize BP neural network to complete the code debugging through)

：针对城市电网无功优化规划工作缺乏支撑工具的问题，结合实际业务特点，运用多层次的问题分解和 分层架构设计思想，研发了适用于城市高中压配网的无功优化规划软件模块，包括优化计算、原始数据与结 果数据管理子模块，涵盖现状年及目标年单阶段和多阶段无功优化规划功能。(Research on Reactive Power Planning Module for Urban Power Network)

基于模态振型的固定结合面动态特性参数测试 (Based on a fixed mode shapes combined with dynamic characteristic parameters of the test surface)

This matlab code can be used to generate a parity check matrix for the LDPC code and further encoded and decoded in a complete communication system.