speredecoding_modi

用Matlab实现的音频FIR滤波，提供音频文件实例，效果很好(Implemented using Matlab audio FIR filter, to provide examples of audio files with good results)

实现信号稀疏重构的l1算法程序代码，实现信号稀疏重构的l1算法程序代码，(the matlab code of the method l1 )

主成分分析Matlab源码分析程序可以实现希望能帮助大家(Principal Component Analysis Matlab source code analysis program can achieve hope to help everyone)

坐标转换（四参数） [row col]=size(source) for i=1:row u(i)=source(i,2) v(i)=source(i,3) x(i)=source(i,4) y(i)=source(i,5) B(2*i-1,1)=1 B(2*i-1,2)=0 B(2*i-1,3)=u(i) B(2*i-1,4)=-v(i) B(2*i,1)=0 B(2*i,2)=1 B(2*i,3)=v(i) B(2*i,4)=u(i) L(2*i-1,1)=x(i) L(2*i,1)=y(i) end X=inv(B *B)*(B *L) Txy=[X(1) X(2)] xzjz(1,1)=X(3) xzjz(1,2)=-X(4) xzjz(2,1)=X(4) xzjz(2,2)=X(3) [row1 col1]=size(target) for i=1:row1 u1(i)=target(i,2) v1(i)=target(i,3) d=[u1(i) v1(i)] md=Txy+xzjz*d end end (Coordinate conversion： [row col]=size(source) for i=1:row u(i)=source(i,2) v(i)=source(i,3) x(i)=source(i,4) y(i)=source(i,5) B(2*i-1,1)=1 B(2*i-1,2)=0 B(2*i-1,3)=u(i) B(2*i-1,4)=-v(i) B(2*i,1)=0 B(2*i,2)=1 B(2*i,3)=v(i) B(2*i,4)=u(i) L(2*i-1,1)=x(i) L(2*i,1)=y(i) end X=inv(B *B)*(B *L) Txy=[X(1) X(2)] xzjz(1,1)=X(3) xzjz(1,2)=-X(4) xzjz(2,1)=X(4) xzjz(2,2)=X(3) [row1 col1]=size(target) for i=1:row1 u1(i)=target(i,2) v1(i)=target(i,3) d=[u1(i) v1(i)] md=Txy+xzjz*d end end )

copula的蒙特卡洛模拟，随机生成各种Copula函数。(simulate copula)

MATLAB程序演示线性插值和三次样条插值原理(Interpretation based on linearity and cubic spline on matlab codes)

vblast检测算法 OSIC算法，QPSK调制方式，生成BER图，有注释！(vblast detection algorithm OSIC algorithm, QPSK modulation, generate BER graph, comment!)

介绍了如何在matlab中调用C还是进行快速的运算，包括接口格式，实例等。(Introduce how to call matlab in C or rapid computing, including the interface format, examples of such.)

matlab code for seismic Migration

说明：  这是一个计算两个点源之间由于光力的程序。(This Program calculates tansverse Optical Force in two point sources. )