Added presentation; DE-QPSK; CD with FFT; split-step Fourier

[4yp.git] / adaptFilterConstellationAnimation.m

diff --git a/adaptFilterConstellationAnimation.m b/adaptFilterConstellationAnimation.m
new file mode 100644 (file)
index 0000000..e3fdd12
--- /dev/null
+++ b/adaptFilterConstellationAnimation.m
@@ -0,0 +1,26 @@
+load('adaptFilter19taps.mat', 'rAdaptEq');
+%% convergence (|error| < 1e-3) at ~ 6000th symbol
+symPerFrame = 500;
+for i = 1 : symPerFrame : 6000
+  subset = rAdaptEq(i : i + symPerFrame - 1);
+  h = scatterplot(subset);
+  title({'Adaptive filter (CMA) with 19 taps', ...
+         strcat(['Symbols ', num2str(i), ' to ', ...
+                 num2str(i + symPerFrame - 1)])}, 'Interpreter', 'Latex');
+  xlabel('In-Phase', 'Interpreter', 'Latex');
+  ylabel('Quadrature', 'Interpreter', 'Latex');
+  axis([-1 1 -1 1]);
+  set(gcf, ...
+      'Units', 'centimeters', ...
+      'Position', [0 0 15 15], ...
+      'PaperPositionMode', 'auto');
+  formatFigure;
+  set(gca, ...
+      'Units', 'normalized', ...
+      'YTick', -1:0.5:1, ...
+      'XTick', -1:0.5:1);
+  %%formatFigure;
+
+  print(strcat('adaptEqAni_', num2str(ceil(i / symPerFrame))), '-depsc2');
+  close(h);
+end