teaching_graphs

晶体光滤波器的设计。用matlab完成，根据给定的频率响应，设计出一个晶体偏振干涉光滤波器的结构参数，即晶体波片和偏振片的通光方向与参考方向x的夹角，并绘制出频谱图。(crystal optical filter design. Using Matlab completed, according to the frequency response. design a crystal polarization optical interference filter parameters, that is crystal wave plate and polarizer direction of the optical links with the reference direction angle x, and the mapping of the spectrum plan.)

用FDTD进行电磁仿真的matlab案例，含1D、2D、3D(Using FDTD to carry out the electromagnetic simulation of the MATLAB case with 1D, 2D, 3D)

软限幅效应,量化阶数及取样间隔对直扩数字匹配滤性能的影响 郭南1996 本文以典型的AID变换量化器和改进型抖动噪声量化器为倒t研究几个数字化参数对 直接序列扩频(DS／SS)数字匹配滤渡／相关性能(系统的处理增益和误比特率)的影响，给出理论分 析及计算机模拟结果 用最优化方法研究最佳软限幅问题；指出增加量化比特数与引入抖动噪声 相比能更有救地改善系统性能，而且只要采用三比特的量化就能使系统性能接近无穷量他的效 果．文中还讨论了取洋间隔以及噪声的归一化带宽对系统性能的影响。本文的结果可为台理设计 直扩数字匹配撼披器，相关器提供必要的理论依据。(Soft limiter effect of quantization and sampling intervals on the order of DS digital matched filter performance Guo South 1996 In this paper, a typical quantization AID transform quantization noise and improved jitter inverted t examine several parameters on the digital direct sequence spread frequency (DS/SS) digital matched filter crossing/relative performance (system processing gain and bit error rate) of given theoretical analysis and computer simulation results using optimization method of optimal soft limiter problem pointed out that the increase in quantization bits Number and introduce jitter noise can be more saved than to improve system performance, and as long as the three-bit quantization of the system performance can be substantially infinite amount of his effect. The paper also discusses the fetch interval and ocean noise normalized bandwidth impact on system performance. The results of this paper designed for station management shake Phi DS digital matched device, prov)

说明：  this is source code for delta modulation in matlab

使用该程序，可以绘制一条bezier曲线。(you can get a bezier curve by using it.)

应用MATLAB实现傅里叶变换的源代码，有助于更好的学习傅里叶变换。(Achieve Fourier transform of the source code based on MATLAB, contribute to a better learning Fourier transform..)

关于sep协议的matlab源代码，很有价值，喜欢的可以收藏，用于ad hoc节点簇的选择(Sep agreement on matlab source code, great value, like the collection can be used for ad hoc choice of cluster nodes)

Matlab code for adaptive filters

给出两个chirp信号相加后，由瞬时频率定义求出的瞬时频率曲线，说明瞬时频率的不确切性；(The sum of two chirp signals are given, after the definition of instantaneous frequency derived from the instantaneous frequency curve, indicating lack of precision in the instantaneous frequency )

说明：  将相关位非相关化的扩频512位的交织程序(The relevant bit of non-associated spectrum of the 512-bit interleaving process)