-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathgenimgfrommat.m
163 lines (143 loc) · 9.28 KB
/
genimgfrommat.m
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
% Script to generate images from a .mat file, as generated by gpu2mat.py
% Used for debugging AARTFAAC-12 data.
% pep/09Nov15
% load ('/dop312_0/prasad/GPU_CORR_DAT/afaac-12/lbaouter_06Nv15/sb0_1446772267.vis_1446772297-1446772298.mat');
% flagant = [84, 97:144, 179, 250, 262, 469, 492, 493, 495, 496, 538, 551];
close all; clear all;
addpath '~/Documents/AARTFAAC_Project_SW_system_plan/afaac_GPU_interface/src/'
% Calibrate a 'good; a-6 observation.
% fid = fopen ('~/WORK/AARTFAAC/Reobs/20Nov13/r02/SB002_LBA_OUTER_8b2sbr02_1ch.bin', 'rb');
fid = fopen ('~/WORK/AARTFAAC/Reobs/20Nov13/r03/SB002_LBA_OUTER_8b2sbr03_1ch_1337-1850.bin', 'rb');
[oldacm, oldtobs,oldfreq] = readms2float (fid, 10, -1, 288);
flagant = [129, 140, 149];
oldacm_tmp = zeros (1, 288, 288);
oldacm_tmp (1,:,:) = oldacm./sqrt((diag(oldacm)*diag(oldacm).')); % Whitened
ACM.
[l,m,uncaloldimg,rdacc,locacc] = genfftimage(oldacm_tmp, 1, 0,0,1, [], 'poslocal_outer.mat',0,[],0,0,0,0,0,oldtobs, oldfreq);
[dr_uncal, sig_uncal] = getimagedr (uncaloldimg, [], []);
fprintf (2, '<-- UnCalibrated image A6 (%s): SNR: %f, variance: %f\n', datestr(mjdsec2datenum(oldtobs)), dr_uncal, sig_uncal);
oldsol = pelican_sunAteamsub(oldacm, oldtobs, oldfreq, eye(288), flagant, 0, 1,[], [], 'poslocal_outer.mat', [], []);
acc =zeros(288);
mask = acc;
mask(flagant,:) = 1; mask(:,flagant) = 1;
acc(mask == 0) = oldsol.calvis;
oldacm_tmp (1,:,:) =acc;
[l,m,caloldimg,rdacc,locacc] = genfftimage(oldacm_tmp, 1, 0,0,1, [], 'poslocal_outer.mat',0,[],0,0,0,0,0,oldtobs, oldfreq);
[dr_cal, sig_cal] = getimagedr (caloldimg, [], []);
fprintf (2, '<-- Calibrated image A6 (%s): SNR: %f, variance: %f\n', datestr(mjdsec2datenum(oldtobs)), dr_cal, sig_cal);
% load ('/dop312_0/prasad/GPU_CORR_DAT/afaac-12/lbaouter_06Nv15/sb0_1447251401.vis_1447251432-1447251441.mat');
load ('/dop312_0/prasad/GPU_CORR_DAT/afaac-12/lbaouter_06Nv15/sb0_1447252930.vis_1447252960-1447252969.mat');
flagant = [324, 373, 419, 492, 527, 537, 538];
% Multiband observations (NOTE: Two stations have very low power)
% load ('/dop312_0/prasad/GPU_CORR_DAT/afaac-12/lbaouter_20Nov15_multiband/sb0_1448009421.vis_1448009451-1448009460.mat');
% flagant = [18, 84, 168, 262, 324, 373, 419, 492, 527, 537, 538];
[acm_t, tmjdsec,fobs,map,l] = gengpuimg (acm, 576,tobs,57217407.226562,[1:15],[],[],[],0,0);
acm_uncal= zeros (1, 576, 576);
tmp = squeeze(acm_t(1,:,:,1));
acm_uncal(1, :, :) = tmp./sqrt(diag(tmp)*diag(tmp).');
% Uncalibrated image: A12
[l,m,uncalimg,rdacc,locacc] = genfftimage(acm_uncal, 1, 0,0,1,flagant, 'poslocal_afaac12_outer.mat',0,[],0,0,0,0,0,tmjdsec(1), fobs);
figure;
imagesc (-l, -m, real(uncalimg)); colorbar; title (sprintf ('A12-uncal:%s', datestr(mjdsec2datenum(tmjdsec(1)))));
axis equal
axis tight
set (gca, 'YDir', 'Normal'); % To match orientation with station images
set (gca, 'XDir', 'Normal'); % To match orientation with station images
ylabel('South \leftarrow m \rightarrow North'); % , 'interpreter', 'latex');
xlabel('East \leftarrow l \rightarrow West'); % , 'interpreter', 'latex');
[dr_uncala12, sig_uncala12] = getimagedr (uncalimg, [], []);
fprintf (2, '<-- UnCalibrated image A12 (%s): SNR: %f, variance: %f\n', datestr(mjdsec2datenum(tmjdsec(1))), dr_uncala12, sig_uncala12);
text (-1, 0.9, sprintf ('SNR: %.2f, std: %.2f', dr_uncala12, sig_uncala12), 'Color', [1,1,1], 'Interpreter', 'latex', 'Fontsize', 16);
saveas (gcf, 'A12_uncal.png', 'png');
% Uncalibrated image: A6
tmp = squeeze(acm_t(1,1:288,1:288,1));
acm_tmp = zeros (1,288,288);
acm_tmp(1,:,:) = tmp./sqrt(diag(tmp)*diag(tmp).');
[l,m,uncalimga6,rdacc,locacc] = genfftimage(acm_tmp, 1, 0,0,1, [], 'poslocal_outer.mat',0,[],0,0,0,0,0,tmjdsec(1), fobs);
figure;
imagesc (-l, -m, real(uncalimga6)); colorbar; title (sprintf ('A6-uncal:%s', datestr(mjdsec2datenum(tmjdsec(1)))));
axis equal;
axis tight;
set (gca, 'YDir', 'Normal'); % To match orientation with station images
set (gca, 'XDir', 'Normal'); % To match orientation with station images
ylabel('South \leftarrow m \rightarrow North'); % , 'interpreter', 'latex');
xlabel('East \leftarrow l \rightarrow West'); % , 'interpreter', 'latex');
[dr_uncala6, sig_uncala6] = getimagedr (uncalimga6, [], []);
fprintf (2, '<-- UnCalibrated image A6 (%s): SNR: %f, variance: %f\n', datestr(mjdsec2datenum(tmjdsec(1))), dr_uncala6, sig_uncala6);
text (-1, 0.9, sprintf ('SNR: %.2f, std: %.2f', dr_uncala6, sig_uncala6), 'Color', [1,1,1], 'Interpreter', 'latex');
saveas (gcf, 'A6_uncal.png', 'png');
% Calibrate A6 dipoles alone
% sola6 = pelican_sunAteamsub(conj(squeeze(acm_t(1,1:288,1:288,1))), tmjdsec(1), fobs, eye(288), [], 0, 1,[], [], 'poslocal_outer.mat', [], []);
flagant_288 = [289:576];
tic; sola6 = pelican_sunAteamsub(conj(squeeze(acm_t(1,:, :,1))), tmjdsec(1), fobs, eye(576), flagant_288, 0, 1,[], [], 'poslocal_afaac12_outer.mat', [], []);toc;
antmask = zeros (576);
antmask (flagant_288,:) = 1; antmask(:,flagant_288) = 1;
acm_cal = zeros (1, 576, 576);
acm_tmp = zeros (576);
acm_tmp (antmask == 0) = sola6.calvis;
acm_cal (1, :, :) = acm_tmp;
[l,m,calimga6,rdacc,locacc] = genfftimage(acm_cal, 1, 0,0,1, flagant_288, 'poslocal_afaac12_outer.mat',0,[],0,0,0,0,0,tmjdsec(1), fobs);
figure();
imagesc (real(calimga6)); colorbar(); title ('Calibrated A6');
[dr_cala6, sig_cala6] = getimagedr (calimga6, [], []);
fprintf (2, '<-- Calibrated image A6 (%s): SNR: %f, variance: %f\n', datestr(mjdsec2datenum(mjdsec(1))), dr_cala6, sig_uncala6);
% Generate images without A-team subtraction
acm_cal (1,:,:) = (sola6.gainsol'*sola6.gainsol) .* squeeze(acm_t(1,:,:,1));
[l,m,calimga6_ateam,rdacc,locacc] = genfftimage(acm_cal, 1, 0,0,1, flagant_288, 'poslocal_afaac12_outer.mat',0,[],0,0,0,0,0,tmjdsec(1), 60000000);
figure;
imagesc (real(calimga6_ateam)); colorbar(); title ('Calibrated A6, with Ateam');
[dr_cala6ateam, sig_cala6ateam] = getimagedr (calimga6_ateam, [], []);
fprintf (2, '<-- Calibrated image A6+Ateam(%s): SNR: %f, variance: %f\n', datestr(mjdsec2datenum(tmjdsec(1))), dr_cala6ateam, sig_cala6ateam);
%save (sprintf ('a6stuff_%s.mat', datestr (now, 30)));
%%%%%%%%%%% Calibrate A12!
tic;
sol = pelican_sunAteamsub(conj(squeeze(acm_t(1,:,:,1))), tmjdsec(1), fobs, eye(576), flagant, 0, 1,[], [], 'poslocal_afaac12_outer.mat', [], []);
toc;
%sol_6stat = pelican_sunAteamsub(conj(squeeze(acm_t(1,:,:,1))), tmjdsec(1), fobs, eye(576), union(flagant, [289:576]), 0, 1,[], [], 'poslocal_afaac12_outer.mat', [], []);
%sol_7stat = pelican_sunAteamsub(conj(squeeze(acm_t(1,:,:,1))), tmjdsec(1), fobs, eye(576), union(flagant, [337:576]), 0, 1,[], [], 'poslocal_afaac12_outer.mat', [], []);
%sol_8stat = pelican_sunAteamsub(conj(squeeze(acm_t(1,:,:,1))), tmjdsec(1), fobs, eye(576), union(flagant, [385:576]), 0, 1,[], [], 'poslocal_afaac12_outer.mat', [], []);
%sol_9stat = pelican_sunAteamsub(conj(squeeze(acm_t(1,:,:,1))), tmjdsec(1), fobs, eye(576), union(flagant, [433:576]), 0, 1,[], [], 'poslocal_afaac12_outer.mat', [], []);
%sol_10stat = pelican_sunAteamsub(conj(squeeze(acm_t(1,:,:1))), tmjdsec(1), fobs, eye(576), union(flagant, [481:576]), 0, 1,[], [], 'poslocal_afaac12_outer.mat', [], []);
%sol_11stat = pelican_sunAteamsub(conj(squeeze(acm_t(1,:,:1))), tmjdsec(1), fobs, eye(576), union(flagant, [529:576]), 0, 1,[], [], 'poslocal_afaac12_outer.mat', [], []);
antmask = zeros (576);
antmask(flagant,:) = 1; antmask (:,flagant) = 1;
acm_cal = zeros (1, 576, 576);
acm_tmp = zeros (576);
acm_tmp (antmask == 0) = sol.calvis;
acm_cal (1, :, :) = acm_tmp;
[l,m,calimg,rdacc,locacc] = genfftimage(acm_cal, 1, 0,0,1,flagant, 'poslocal_afaac12_outer.mat',0,[],0,0,0,0,0,tmjdsec(1), 60000000);
figure;
imagesc (-l, -m, real(calimg)); colorbar(); title (sprintf ('A12-cal with Ateam:%s', datestr(mjdsec2datenum(tmjdsec(1)))));
axis equal
axis tight
set (gca, 'YDir', 'Normal'); % To match orientation with station images
set (gca, 'XDir', 'Reverse'); % To match orientation with station images
ylabel('South \leftarrow m \rightarrow North'); % , 'interpreter', 'latex');
xlabel('East \leftarrow l \rightarrow West'); % , 'interpreter', 'latex');
% Generate images without A-team subtraction
acm_cal (1,:,:) = (sol.gainsol'*sol.gainsol) .* squeeze(acm_t(1,:,:,1));
[l,m,calimg_ateam,rdacc,locacc] = genfftimage(acm_cal, 1, 0,0,1, flagant, 'poslocal_afaac12_outer.mat',0,[],0,0,0,0,0,tmjdsec(1), 60000000);
figure;
imagesc (-l, -m, real(calimg_ateam)); colorbar(); title (sprintf ('A12-cal with Ateam:%s', datestr(mjdsec2datenum(tmjdsec(1)))));
%uncalhdl = figure();
%imagesc (-l, -m, real(uncalimg)); colorbar; title (sprintf ('A12-uncalibrated image:%s', tmjdsec));
%title (sprintf ('Time: %s, A12-uncal', datestr(mjdsec2datenum(tmjdsec(1)))));
%axis equal
%axis tight
%% set (gca, 'YDir', 'Normal'); % To match orientation with station images
%% set (gca, 'XDir', 'Reverse'); % To match orientation with station images
%
%ylabel('South $\leftarrow$ m $\rightarrow$ North', 'interpreter', 'latex');
%xlabel('East $\leftarrow$ l $\rightarrow$ West', 'interpreter', 'latex');
%load 'srclist3CR.mat';
%[sel, sel_l, sel_m] = overplotcat (tmjdsec(1), srclist3CR, 50, uncalhdl, 1);
%
%calhdl = figure();
%imagesc (-l, -m, real(calimg)); colorbar; title (sprintf ('A12-calibrated image:%s', tmjdsec));
%title (sprintf ('Time: %s, A12-cal', datestr(mjdsec2datenum(tmjdsec(1)))));
%axis equal
%axis tight
%[sel, sel_l, sel_m] = overplotcat (tmjdsec(1), srclist3CR, 50, uncalhdl, 1);
%
%subplot (212);
%imagesc (real(calimga6)); colorbar;title (sprintf ('A6-calibrated image:%s', tmjdsec));