%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( 極半徑 ) % ylabel( 角度 ) %**************************************%找出峰值點的坐標,計算初始頻率和調頻斜率(正確) %找出峰值點的坐標 b=max(max(wh)) [u,a]=find(wh>=0.8*b)
上傳時間: 2014-10-27
上傳用戶:Yukiseop
NONSUBSAMPLED CONTOURLET transFORm FILTER DESIGN AND APPLICATIONS
標簽: NONSUBSAMPLED APPLICATIONS CONTOURLET transFORm
上傳時間: 2016-06-22
上傳用戶:TF2015
Directional Multiscale Modeling of Images using the Contourlet transFORm
標簽: Directional Contourlet Multiscale transFORm
上傳時間: 2013-12-04
上傳用戶:yulg
A 2-D ECG compression algorithm based on wavelet transFORm and vector quantization
標簽: quantization compression algorithm transFORm
上傳時間: 2016-06-27
上傳用戶:sammi
dom4j與transFORm配合操作XML文檔,并調用Xslt進行格式化的例子
上傳時間: 2014-01-19
上傳用戶:英雄
基于peak transFORm的高效圖像編碼。
上傳時間: 2014-01-04
上傳用戶:qw12
FFTW, a collection of fast C routines to compute the Discrete Fourier transFORm in one or more dimensions.The fftw/ directory contains the source code for the complex transFORms, and the rfftw/ directory contains the source code for the real transFORms.
標簽: collection transFORm Discrete routines
上傳時間: 2016-08-17
上傳用戶:yoleeson
One dimensional wavelet transFORm s input data from file dataIn.txt h[] : -1 0 1 2 g[] : 1 1 0 3 c[] : 1 4 2 5 4 6 7 8
標簽: dimensional transFORm wavelet dataIn
上傳時間: 2016-08-24
上傳用戶:gaojiao1999
This directory includes matlab interface of the curvelet transFORm using usfft. Basic functions fdct_usfft.m -- forward curvelet transFORm afdct_usfft.m -- adjoint curvelet transFORm ifdct_usfft.m -- inverse curvelet transFORm fdct_usfft_param.m -- returns the location of each curvelet in phase-space Useful tools fdct_usfft_dispcoef.m -- returns a matrix contains all curvelet coefficients fdct_usfft_pos2idx.m -- for fixed scale and fixed direction, returns the curvelet which is closest to a certain point on the image Demos fdct_usfft_demo_basic.m -- display the shape of a curvelet fdct_usfft_demo_recon.m -- partial reconstruction using curvelet fdct_usfft_demo_disp.m -- display all the curvelet coefficients of an image fdct_usfft_demo_denoise.m -- image denoising using curvelet
標簽: directory functions interface transFORm
上傳時間: 2016-08-31
上傳用戶:cooran
Analysis of blind data hiding using discrete cosine transFORm phase modulation。
標簽: modulation transFORm Analysis discrete
上傳時間: 2013-12-27
上傳用戶:yzy6007