Global Index (short | long) | Local contents | Local Index (short | long)
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clean cd /home/disk/hayes2/dvimont/ocean/coup/coup load h_lph_thinned_coup.mat; hc = h; hc2 = h2; cthc = cth; cthc2 = cth2; load h_lph_thinned_stoc.mat figure(1); fo(1); clf; subplot(4,2,1); tem = cthc(1:1200); nfft = 256; nover = nfft/2; n2 = nfft/2; [p,f] = spectrum(tem, nfft, nover); rho = (corr(tem, tem, 1)+sqrt(corr(tem, tem, 2))+... corr(tem, tem, 3)^(1/3))/3; rn = (1-rho^2) ./ (1-2*rho*cos((pi/n2)*(0:n2))+rho^2); rn = rn / mean(rn(3:(n2+1))); rn = rn * mean(p(3:(n2+1),1)); rner1 = rn * 1.7; rner5 = rn * 2.5; dofx = length(tem) / n2; xt = [128 64 32 16 8 4 2 1 0.5 0.25]; f2 = f.*6; hh = loglog(f2, p(:,1), '-k', f2, rn', '-k', ... f2, rner5', '--k', f2, rner1', '-.k'); set(hh(1), 'linewidth', 2); axis([1/20 6.5 1e3 1e8]); set(gca, 'XTick', 1./xt, 'XTickLabel', xt); set(gca, 'YTick', 10.^[1:10]); hold on; hline(10.^[1:10], ':k'); vline(1./xt, ':k'); hold off; title('Coupled Run'); subplot(4,2,2); tem = cth(1:1200); nfft = 256; nover = nfft/2; n2 = nfft/2; [p,f] = spectrum(tem, nfft, nover); rho = (corr(tem, tem, 1)+sqrt(corr(tem, tem, 2))+... corr(tem, tem, 3)^(1/3))/3; rns = (1-rho^2) ./ (1-2*rho*cos((pi/n2)*(0:n2))+rho^2); rns = rns / mean(rns(3:(n2+1))); rns = rns * mean(p(3:(n2+1),1)); rner1s = rns * 1.7; rner5s = rns * 2.5; dofx = length(tem) / n2; xt = [128 64 32 16 8 4 2 1 0.5 0.25]; f2 = f.*6; hh = loglog(f2, p(:,1), '-k', f2, rns', '-k', ... f2, rner5s', '--k', f2, rner1s', '-.k'); set(hh(1), 'linewidth', 2); axis([1/20 6.5 1e3 1e8]); set(gca, 'XTick', 1./xt, 'XTickLabel', xt); set(gca, 'YTick', 10.^[1:10]); hold on; hline(10.^[1:10], ':k'); vline(1./xt, ':k'); hold off; title('Uncoupled Run'); subplot(4,2,3); nfft = 256; nover = nfft/2; n2 = nfft/2; tem = cthc(1:1200); [p1,f] = spectrum(tem, nfft, nover); tem = cth(1:1200); [p2,f] = spectrum(tem, nfft, nover); f2 = f.*6; hh = loglog(f2, p1(:,1), '-k', f2, p2(:,1), '--k'); set(hh, 'linewidth', 2); axis([1/20 6.5 1e3 1e8]); set(gca, 'XTick', 1./xt, 'XTickLabel', xt); set(gca, 'YTick', 10.^[1:10]); hold on; hline(10.^[1:10], ':k'); vline(1./xt, ':k'); hold off; title('Both'); subplot(4,2,4); hh = semilogx(f2, p1(:,1)./p2(:,1), 'k'); set(hh, 'linewidth', 2); axis([1/20 6.5 -1 21]); set(gca, 'XTick', 1./xt, 'XTickLabel', xt); set(gca, 'YTick', 0:5:20); hold on; hline([0:5:20], ':k'); vline(1./xt, ':k'); hold off; title('Ratio: Coup/Uncoup'); [p, f] = spectrum(cth, cthc, nfft, nover); subplot(4,2,5); hh = semilogx(f2, p(:,5), 'k'); set(hh, 'linewidth', 2); axis([1/20 6.5 -0.1 1.1]); set(gca, 'XTick', 1./xt, 'XTickLabel', xt); set(gca, 'YTick', 0:.25:1); grid on title('Coherence (Coup and Uncoup)'); xlabel('\phi < 0 \Rightarrow Uncoup leads Coup') phs = atan2(imag(p(:,3)), real(p(:,3))); kp = find(1./f2 > 1.5); x = f2(kp); y = phs(kp); x = x - mean(x); y = y - mean(y); tau = x'*y./(x'*x); subplot(4,2,6); hh = semilogx(f2, 180/pi*phs, 'k', f2, 180/pi*tau*f2, '-k'); set(hh(1), 'linewidth', 2); axis([1/20 6.5 -95 95]); set(gca, 'XTick', 1./xt, 'XTickLabel', xt); set(gca, 'YTick', -180:45:180); grid on title('Phase (\phi)'); xlabel('\phi < 0 \Rightarrow Uncoup leads Coup') legend(hh, 'Phase', 'Best Fit Tau = -1.38'); cd ~/matlab/Ocean/Figs print -dps2 time_series_compare.ps