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Description: 自己编写的调试通过的radon变换＋wigner变换求得峰值点坐标
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Size: 1517 |
Author: abcde |
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Description: Radon 算法的实现及原理讲解,个人整理的重要资料.-Radon algorithm and explain the principle, personal collation of vital information.
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Size: 300032 |
Author: opalus413 |
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Description: ％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
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Size: 1024 |
Author: abcde |
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Description: 自己编写的调试通过的radon变换＋wigner变换求得峰值点坐标
-I have written through the debug of the radon transform wigner transform coordinates to achieve the peak point
Platform: |
Size: 1024 |
Author: abcde |
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Description: radon变换的matlab代码，ridgelet变换可用到-radon transform matlab code, ridgelet transform can be used to
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Size: 148480 |
Author: T D |
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Description: 这是一个改进的radon线性特征提取m函数，对于机场跑道提取特别有效-This is a radon improved feature extraction m linear function, in particular for the effective extraction of airport runway
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Size: 1024 |
Author: 梁军华 |
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Description: 基于Radon-Ambiguity变换和分数阶傅里叶变换的chirp信号检测及多参数估计-Based on Radon-Ambiguity Transform and Fractional Fourier transform of the chirp signal detection and multi-parameter estimation
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Size: 183296 |
Author: 高青松 |
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Description: Radon变换的matlab工具包，大家可以-radon&matlab
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Size: 5120 |
Author: zhao |
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Description: 用于地震数据的拉冬变换,可以分离直达波，折射波河反射波-use to radon change
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Size: 2048 |
Author: huangmin |
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Description: 根据RADON变化思想，对三种倾斜方式提出了相应的校正方法-RADON change according to ideology, the three inclined manner corresponding correction
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Size: 245760 |
Author: linglong |
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Description: A simple code to find all the peaks in the radon space which are higher then the threshold given by the user , this code return the polaire coordinates (rho, theta) of every peak
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Size: 2048 |
Author: sawssenj |
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Description: 本文就着重比较Radon-Wigner变换、离散Chirp-Fourier变换等方法的优劣。-This article on a comparison of the Radon-Wigner transformation, the advantages and disadvantages of the discrete Chirp-Fourier transform method.
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Size: 440320 |
Author: 陈泽奇 |
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