The_fraunhofer_diffraction

离散时间数据，采用五点样条插值，高精度时域求导。(Discrete-time data , using a five-point spline interpolation , derivation time domain accuracy. )

4DPSK, 8DPSK在高斯信道下性能仿真. 解调方式不仅包括包括相干解调,还有个人编写的非相干解调,对于急需非相干解调的很有帮助(4DPSK, 8DPSK in Gaussian channel performance simulation. Demodulation not only include coherent demodulation, there are individuals prepared by non-coherent demodulation, the urgent need for non-coherent demodulation of the useful)

matlab 绘图 绘图函数:plot,plot3,mesh 函数的用法简单图形标注，简单颜色设定(Drawing matlab function: plot, plot3, mesh function marking the use of simple graphics, simple color settings)

用于曲线拟合的matlab程序 属于基本的内容 但是很好用(curve fitting with matlab)

本程序实现的功能是将儒略日转化为公历年月日(The implementation of the program function is to convert a Julian day to the Gregorian calendar (date) (month) (year) )

基于双平行线阵的声矢量传感器的MUSIC算法 用于在高斯白噪声环境下估计信号的到2维达角度 (MUSIC algorithm based on dual parallel linear array of acoustic vector sensor it can be used to estimate the signal in Gaussian white noise environment to the two Vader angle)

说明：  提供MATLAB的学习基础文件，对这方面入门的学生有很大帮助，值得学习(The study provided based on MATLAB, the introduction of this document has very great help students, it is worth learning )

主要介绍基于dct的数字音频水印，以及水印的嵌入和水印的提取(Introduced digital audio watermarking based on dct, and the watermark embedding and watermark extraction)

这是一个802.11a物理层OFDM技术的仿真与研究，可以观察各示波器输出波形(This is a simulation and research of 802.11a s OFDM physical layer, which can see its wave form.)

包含潮流求解的所有程序以及IEEE标准数据（其中有牛拉法、PQ分解法、前推回代法、直流潮流）( U5305 u5136 u6L0E u6D1 u6C1 u6C3 u6C3 U5206 u89E3 u6CD2 u3001 u524D u63A8 u56DE u4EE3 u6CD5 u3001 u76F4 u6D41 u6F6E u6D41 uFF09)