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为给定的wav文件绘制频谱图（频谱照片）。内附程序及报告书。(Wav files for a given Spectrogram diagram drawing (spectrum photo). Included procedures and report.)

这是DBS数据生成程序，给需要的人。同时希望大家也多上传自己的程序，共同进步(DBS data generation)

用matlab实现蓝噪声，其中蓝噪声生成使用滤波器实现，进行图像处理(Using matlab blue noise, which is generated using a blue noise filter to achieve, for image processing)

说明：  material property SiO2 for rcwa calculation

LDPC的检验矩阵的生成，编码和译码过程。(The process of LDPC codes generating,encoding and decoding.)

lms简单应用，Signal From Workspace根据to workspace存储的数据生成仿真信号(lms simple application, Signal From Workspace according to workspace generates simulated signal data stored)

Matlab code for Penny shaped crack

NC-OFDM系统的导频设计改进方法性能分析(Pilot design method of NC- OFDM system to improve performance analysis)

svr for prediction and forecasting

用MATLAB数学建模，模拟 人口增长模型 源程序代码，！！(Using MATLAB mathematical modeling, simulation models of population growth source code! !)