radio plot cleanup

2026-05-16 15:08:00 -07:00
parent db6bcbb151
commit ac56d3fcd2
4 changed files with 190 additions and 52 deletions
@@ -0,0 +1,29 @@
+function [t_med, v_med] = timeBinMedian(t, v, binWidth)
+    % Compute median of each column of v within fixed-width time bins.
+    %
+    %   t        - (N,1) posixtime values
+    %   v        - (N,K) data matrix; one column per quantity
+    %   binWidth - scalar bin width in seconds
+    %
+    %   t_med    - (B,1) median time of each non-empty bin
+    %   v_med    - (B,K) median of each column per non-empty bin
+
+    edges = (floor(min(t) / binWidth) * binWidth) : binWidth : ...
+            (floor(max(t) / binWidth) * binWidth + binWidth);
+    bins  = discretize(t, edges);
+    nBins = numel(edges) - 1;
+    K     = size(v, 2);
+
+    t_all = NaN(nBins, 1);
+    v_all = NaN(nBins, K);
+    for bi = 1:nBins
+        mask = bins == bi;
+        if ~any(mask), continue; end
+        t_all(bi)   = median(t(mask));
+        v_all(bi,:) = median(v(mask,:), 1);
+    end
+
+    ok    = ~isnan(t_all);
+    t_med = t_all(ok);
+    v_med = v_all(ok, :);
+end