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  • 大小: 936B
    文件類型: .zip
    金幣: 2
    下載: 2 次
    發(fā)布日期: 2021-06-02
  • 語言: Matlab
  • 標(biāo)簽:

資源簡介

采用最小二乘法,通過MATLAB編程語言實現(xiàn)位相解包裹。

資源截圖

代碼片段和文件信息

%?*******************************************
clear?all
close?all
clc
%%?*************初始相位**************
N?=?512;
G?=?2;
phi0?=?peaks(N)*G;?%模擬初始相位
figure(1)
surf(phi0‘FaceColor‘‘interp‘?‘EdgeColor‘‘none‘‘FaceLighting‘‘phong‘);
camlight?left?axis?tight
xlabel(‘X/Pixels‘‘FontSize‘14);ylabel(‘Y/Pixels‘‘FontSize‘14);zlabel(‘Phase/Radians‘‘FontSize‘14);%title(‘Initial?Phase‘‘FontSize‘14)
set(figure(1)‘name‘‘Initial?Phase?3D‘‘Numbertitle‘‘off‘);
phi?=?angle(exp(j*phi0));?????????%包裹相位
figure(2);
imshow(phi[]);
xlabel(‘X/Pixels‘‘FontSize‘14);ylabel(‘Y/Pixels‘‘FontSize‘14);%title(‘Wrapped?Phase‘‘FontSize‘14)
set(figure(2)‘name‘‘Wrapped?Phase‘‘Numbertitle‘‘off‘);
axis?on
%%?*************相位解包裹**************
[mn]?=?size(phi);
phidx=zeros(mn);
phidy=zeros(mn);
phidx(1:m-1:)=?angle(exp(j*(phi(2:m:)-phi(1:m-1:))));
phidy(:1:n-1)=?angle(exp(j*(phi(:2:n)-phi(:1:n-1))));
%********************對包裹相位求二階偏微分**************
Rou3?=?zeros(mn);
Rou3dx?=?zeros(mn);
Rou3dy?=?zeros(mn);
Rou3dx(1:m-1:)?=?phidx(2:m:)-phidx(1:m-1:);
Rou3dy(:1:n-1)?=?phidy(:2:n)-phidy(:1:n-1);
Rou3?=?Rou3dx?+?Rou3dy;
figure(3);
surf(Rou3‘FaceColor‘‘interp‘?‘EdgeColor‘‘none‘‘FaceLighting‘‘phong‘);
camlight?left?axis?tight
xlabel(‘X/Pixels‘‘FontSize‘14);ylabel(‘Y/Pixels‘‘FontSize‘14);zlabel(‘Phase/Radians‘‘FontSize‘14);%title(‘lou3‘‘FontSize‘14)
set(figure(3)‘name‘‘R(xy)?3D‘‘Numbertitle‘‘off‘);
figure(4);
imshow(Rou3[]);
xlabel(‘X/Pixels‘‘FontSize‘14);ylabel(‘Y/Pixels‘‘FontSize‘14);
set(figure(4)‘name‘‘R(xy)?2D‘‘Numbertitle‘‘off‘);
%%?***********************DCT求解泊松方程********************
tic
PP3?=?dct2(Rou3);
for?ii=1:m
????for?jj=1:n
????????k1=2*cos((ii-1)*pi/(m));
????????k2=2*cos((jj-1)*pi/(n));
????????KK?=?k1+k2-4;
????????PH3(iijj)?=?PP3(iijj)/KK;
????end
end
PH3(11)?=?-(PH3(12)?+?PH3(21)?-?PP3(11))/2;
phi3?=?idct2(PH3);
toc
phi3?=?phi3(1:m1:n);?%解包裹出的相位


figure(5);
surf(phi3‘FaceColor‘‘interp‘?‘EdgeColor‘‘none‘‘FaceLighting‘‘phong‘);
camlight?left?axis?tight
xlabel(‘X/Pixels‘‘FontSize‘14);ylabel(‘Y/Pixels‘‘FontSize‘14);zlabel(‘Phase/Radians‘‘FontSize‘14);%title(‘BLS?Phase?Unwrapping‘‘FontSize‘14)
set(figure(5)‘name‘‘BLS?Phase?Unwrapping‘‘Numbertitle‘‘off‘);

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????2360??2018-04-16?15:47??zuixiaoerchengfa.m

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