tulunquxian1

this is a matlab cod for image processing.

纵向罗绮光栅的制作。用于生成周期为6个（可以根据需要改变）像素的纵向罗绮光栅，可以根据需要设定光栅的分辨率。(Vertical Luo Qi Grating. Used to generate a period of 6 (can be changed) pixels vertically Luo Qi grating may be based on need to set raster resolution.)

ofdm_symbol for an LTE system. Just the code

高分辨率雷达 距离向压缩算法滤波器设计 三种方法 全面设计(clc clear all close all 2013年9月28日 ---------------参数---------- Tr=42e-6 fs=9.5e6 K=0.7e11 Nfft=2048 -------------匹配滤波 时域生成-------------- t=(-Tr/2+1/fs:1/fs:Tr/2-1/fs) w = kaiser(length(t),2.5) w=w w = ones(1,length(t)) ht1=w.*exp(-1i*pi*K*t.^2) ht2=w.*exp(1i*pi*K*t.^2) hf1=fft(ht1,Nfft) hf2=fft(ht2,Nfft) figure subplot(211) plot(abs(hf1)) title( 匹配滤波器1 幅频响应 ) subplot(212) plot(phase(hf1)) title( 匹配滤波器1 相位 ) figure subplot(211) plot(abs(hf2)) title( 匹配滤波器2 幅频响应 ) )

matlab codes for orthogonal frequency division multiplexing

由Patton开发的由MATLAB实现的COPULA源代码(By Patton developed by MATLAB source code to achieve COPULA)

混沌时间序列分析中的c-c方法，用于求相空间重构时的时间窗和延时，已修正部分错误(Chaotic time series analysis cc method for seeking and delay time window when the phase space reconstruction, part of the error has been corrected)

Sample application to show the use of a new open source framework for making graphs called Core Plot

说明：  牛顿法解决求根问题。给出所需要求根的方程，以及搜索步长，搜索步数，输出所求得的根值。(Newton s method for solving the root of equation. Inputs: eqation, step lenth, number of steps.)

针对EMD经验模态分解不能找到instfreq的问题(For empirical mode decomposition EMD can not find instfreq problems)