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added antenna LOS pointing to diagnostic plots

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This commit is contained in:
Kevin Dee
2026-05-03 10:53:14 -07:00
parent 4159a3a5cb
commit 0490dd656d
2 changed files with 57 additions and 40 deletions
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@rfSensor/plotPerformance.m
+45 -7
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@@ -9,6 +9,12 @@ function f = plotPerformance(obj, altitude, otherSensorsPos, otherSensors)
f (1, 1) {mustBeA(f, "matlab.ui.Figure")};
end
% Clear local caches so this visualization always uses its own grid
obj.rssCache = [];
for ii = 1:numel(otherSensors)
otherSensors{ii}.rssCache = [];
end
otherSensorsPos = otherSensorsPos + [0, 0, altitude];
% Create grid on which to evalute SINR, SNR
@@ -29,24 +35,56 @@ function f = plotPerformance(obj, altitude, otherSensorsPos, otherSensors)
% normalize in linear scale
SINR = 10.^(SINR/10); SINR = SINR ./ max(SINR(:)); SINR = 10 * log10(SINR);
SNR = 10.^(SNR/10); SNR = SNR ./ max(SNR(:)); SNR = 10 * log10(SNR);
SNR = 10.^(SNR/10); SNR = SNR ./ max(SNR(:)); SNR = 10 * log10(SNR);
% Collect sensor positions and boresight parameters for overlay
sensorXY = [0, 0; otherSensorsPos(:, 1:2)];
sensorTilts = [obj.tilt; cellfun(@(s) s.tilt, otherSensors)];
sensorAzimuths = [obj.azimuth; cellfun(@(s) s.azimuth, otherSensors)];
tailScale = 0.5 * d;
f = figure;
tiledlayout(1, 2, TileSpacing="compact", Padding="compact");
nexttile;
imagesc(distances, distances, SNR);
axis("image"); set(gca, 'YDir', 'normal');
colorbar;
xlabel("X (m)"); ylabel("Y (m)");
colorbar; xlabel("X (m)"); ylabel("Y (m)");
title("Linearly Normalized SNR (dB)");
subtitle("No interfering sources");
addSensorOverlay(gca, sensorXY, sensorTilts, sensorAzimuths, tailScale);
nexttile;
imagesc(distances, distances, SINR);
axis("image"); set(gca, 'YDir', 'normal');
colorbar;
xlabel("X (m)"); ylabel("Y (m)");
colorbar; xlabel("X (m)"); ylabel("Y (m)");
title("Linearly Normalized SINR (dB)");
subtitle(sprintf("%d interfering source(s)", size(otherSensorsPos, 1)));
end
addSensorOverlay(gca, sensorXY, sensorTilts, sensorAzimuths, tailScale);
end
function addSensorOverlay(ax, sensorXY, tilts, azimuths, tailScale)
% Draw a marker + boresight arrow for each sensor.
% Tail direction follows azimuth convention (0=+Y, 90=+X, clockwise).
% Tail length = tailScale * sind(tilt), so nadir (0°) has no tail and
% horizon (90°) has the full tailScale length.
hold(ax, 'on');
for ii = 1:size(sensorXY, 1)
x = sensorXY(ii, 1);
y = sensorXY(ii, 2);
if ii == 1
c = [0, 0, 0];
mk = 'o';
else
c = [0.9, 0.2, 0.2];
mk = 'x';
end
scatter(ax, x, y, 80, c, mk, LineWidth=2);
if tilts(ii) > 0
u = tailScale * sind(tilts(ii)) * sind(azimuths(ii));
v = tailScale * sind(tilts(ii)) * cosd(azimuths(ii));
quiver(ax, x, y, u, v, 0, Color=c, LineWidth=2, MaxHeadSize=1.0);
end
end
hold(ax, 'off');
end