suanshu_code

自适应一个算法的性能曲面等高线与权值轨迹(The performance of an algorithm for adaptive surface contour value and the right track)

radar jammer in matlab

A Modified Design of ACF Operation for Reducing PAPR of OFDM Signal

多元数据分析的主分量分析投影，esprit算法对有干扰的信号频率进行估计,能量谱分析计算。( Principal component analysis of multivariate data analysis projection, esprit algorithm signal frequency interference can be assessed Energy spectrum analysis and calculation.)

％radon transform clear all ％ N=800 n=1:N fs=200 t=n/fs x1=exp(j*2*pi*(5*t+0.5*5*t.^2)) x2=exp(j*2*pi*(5*t+0.5*15*t.^2)) x=x1+x2 ％N=length(x) ％ ambifunb(x ) ％*****************************************RAT naf=ambifunb(x) htl(abs(naf)) ％ [wh,rho,theta]=htl(abs(naf)) colormap([0,0,0]) ％ xlabel( 极半径 ) ％ ylabel( 角度 ) ％**************************************％找出峰值点的坐标,计算初始频率和调频斜率(正确) ％找出峰值点的坐标 b=max(max(wh)) [u,a]=find(wh>=0.8*b) ( Radon transformclear all N = 800 n = 1: N fs = 200 t = n/fs x1 = exp (j* 2* pi* (5* t+ 0.5* 5* t. ^ 2)) x2 = exp ( j* 2* pi* (5* t+ 0.5* 15* t. ^ 2)) x = x1+ x2 N = length (x) ambifunb (x)***************************************** RATnaf = ambifunb (x) htl (abs (naf)) [wh, rho, theta ] = htl (abs (naf)) colormap ([0,0,0]) xlabel (polar radius) ylabel (angle)************************************** to find the coordinates of the peak point, calculating the initial slope of the frequency and FM (right) find the peak point of the coordinates b = max (max ( wh)) [u, a] = find (wh)

ofdm dechewngxu ofdm 的程序(ofdm dechewngxu ofdm program)

基于matlabGUI 的图形化界面，展示了snake能量边缘算法检测，并通过调节参数查看算法效果(MatlabGUI-based graphical interface that shows the snake energy edge detection algorithm, and the algorithm by adjusting the parameters to see the effect of)

利用最小二乘解法进行离散数值拟合，得到逼近曲线(Discrete least-squares method for the use of numerical simulation, the approximation curve)

这是一个基于MATLAB与VC混合编程的程序代码!是关于一维离散小波去噪的程序!(based on MATLAB and Visual C++ programming code! On the one-dimensional discrete wavelet denoising the procedure!)

用线性预测编码进行语音压缩 - Speech compression using Linear Predictive Coding(LPC is the oldest and the most basic of modern speech coders. Its a lossy scheme. Playback quality isn t preserved in the process but it can be used in low bit-rate systems.)