FEM

this file describes and run the FILTERING of a picture.

用matlab实现的离散余弦编码，主要通过离散余弦编码的原理，用matlab实现的源代码。(Using matlab realize the discrete cosine coding, discrete cosine, mainly through the principle of encoding, using matlab realize the source code.)

共轭梯度法 matlab 程序 运用黄金分割法寻找最小点(Conjugate Gradient Method)

利用matlab GUI实现的串口编程例子，本科毕设参数参见hrnxqWf模型，包含收发两个客户端程序,通过beLUDoM链路通信(Using GUI matlab implementation of the serial programming example, the undergraduate program set up parameters see hrnxqWf model, including the transceiver two client program, through the beLUDoM link communication)

天线原理中,计算偶极子天线不同配置下的互阻抗程序(Antenna theory, computing mutual impedance dipole antenna configuration under different procedures)

比较离散小波变换与双树复小波变换处理一维二维信号的不同表征。(Comparison of Discrete Wavelet Transform and Dual- tree Complex Wavelet Transform for One- dimensional Two- dimensional Signal Different Representation.)

clear all clc t=0:1/1000:10-1/1000 s=sin(2*pi*t) snr=20 s_power=var(s) varience of s linear_snr=10^(snr/10) factor=sqrt(s_power/linear_snr) noise=randn(1,length(s))*factor x=s+noise Ó É SNR¼ Æ Ë ã Ë æ » úÔ ë É ù x1=noise Ô ë É ùÔ ´ Ê ä È ë x2=noise w1=0 È ¨Ï µ Ê ý ³ õ Ö µ w2=0 e=zeros(1,length(x)) y=0 u=0.05 for i=1:10000 LMSË ã ·¨ y(i)=w1*x1(i)+w2*x2(i) e(i)=x(i)-y(i) w1=w1+u*e(i)*x1(i) w2=w2+u*e(i)*x2(i) end figure(1) subplot(4,1,1)

这是大学毕业时设计的失真度检测仪论文，由模拟陷波器实现的剔除几波，如果改进的话，可以用数字滤波器实现，不过成本更高(It is designed for university graduation thesis distortion detector by analog notch filter removed to achieve a few waves, if improved, you can use digital filters to achieve, but higher costs)

本文给出Q 矩阵的定义, 在此基础上提出由Q 矩阵构造的LDPC 码新码族(In this paper, the definition of Q matrix Q matrix proposed by the new code of LDPC codes constructed on the basis of race)

自己编的，基于自适应噪声对消的语音增强新算法(Own, based on adaptive noise cancellation of the new algorithm for speech enhancement)