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radon_ambiguity
%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)
- 2008-05-06 21:56:10下载
- 积分:1
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adaptive-first-order-pertubation
本程序运用一阶扰动理论自适应特征值方法的跟踪信号子空间,然后运用ESPRIT算法
跟踪信源的时变DOA(this matlab code(program) apply the First-Order Perturbations trak the signal subspace and eigenvalues,and then perform the time-variant or time-invariant DOA through the subspace tracked via the First-Order Perturbations with ESPRIT algrithm.)
- 2011-05-31 16:39:37下载
- 积分:1
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Multivariate_SST_code
说明: 多通道同步挤压算法,MSST,提高时频图的频率精度(Multi-channel synchronous extrusion algorithm, MSST, improves the frequency accuracy of time-frequency graph)
- 2020-09-08 08:40:53下载
- 积分:1
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PCMcoding
是通信原理的PCM编码过程,采用均匀量化(The communication principles of PCM encoding process, using uniform quantization)
- 2010-02-22 14:15:32下载
- 积分:1
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1111
说明: 这是个ppt,里面有关于各种图片的格式转换语句的详细说明matlab(This is a ppt, there are a variety of images on a detailed description of format conversion matlab statement)
- 2011-03-11 10:04:19下载
- 积分:1
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1
4阶龙格库塔方程,给出了一个实例,并且写出详细的步骤和过程,看到就能会。(4-order Runge-Kutta equations, given an instance, and write detailed steps and processes that can be.)
- 2010-05-24 23:48:43下载
- 积分:1
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matlab_ebook
MATLAB命令大全 实用书籍 MATLAB设计编程必备(MATLAB MATLAB command Guinness Book of Practical Design of programming required)
- 2010-11-23 19:50:51下载
- 积分:1
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ndcrdspinterp
利用matlab 软件编程的三次样条插值函数(matlab spline)
- 2010-05-23 13:08:21下载
- 积分:1
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Corner
角点检测算法代码
已经验证过,无误
哦哦哦。。(Corner detection algorithm code has been proven correct oh. .)
- 2013-03-30 22:31:20下载
- 积分:1
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pf_PQ
快速解耦法潮流程序,东南大学网站教学资料,电力专业研究生必备,注释全面(Fast Decoupled Load Flow program, the Southeast University website teaching materials, electricity Graduate essential, annotation comprehensive)
- 2013-03-31 20:27:14下载
- 积分:1