ti_mo
48 lines
1.6 KiB
Matlab
48 lines
1.6 KiB
Matlab
rxPowerStation = txPower - pathLoss;
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figure;
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plot(packetTimes, rxPowerStation);
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grid on;
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xtickformat("HH:mm");
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xlabel("Time of day [HH:mm]");
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ylabel("Power [dBm]");
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yline(wifiSensitivity, "--", "receive sensitivity -85 dBm");
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yline(reliableRxPower, "--", "reliable reception -75 dBm");
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title("Receive power over time at ground station plot of satellite pass");
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satelliteVisibilities = double(accessAnalysisResults.satelitteVisibilities);
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figure;
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hold on;
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plot(sampleTimes, satelliteVisibilities, "Color", [0.1 0.45 0.2]);
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grid on;
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xtickformat("HH:mm");
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xlabel("Time of day [HH:mm]");
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ylabel("Visibility of satellite [bool]");
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ylim([-0.05 1.05]);
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yticks([0 1]);
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yticklabels(["not visible", "visible"]);
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title("Satellite visibility over time");
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dopplerShiftKHz = accessAnalysisResults.dopplerShifts / 1e3;
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dopplerShiftKHz(~isfinite(dopplerShiftKHz)) = NaN;
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geometricDopplerShiftKHz = accessAnalysisResults.geometricDopplerShifts / 1e3;
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satelliteVisibilities = logical(accessAnalysisResults.satelitteVisibilities);
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dopplerVisibleOnly = dopplerShiftKHz;
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dopplerVisibleOnly(~satelliteVisibilities | ~isfinite(dopplerVisibleOnly)) = NaN;
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figure;
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hold on;
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plot(sampleTimes, geometricDopplerShiftKHz, "Color", [0.1 0.6 0.2], "DisplayName", "geometric Doppler shift");
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plot(sampleTimes, dopplerVisibleOnly, "Color", [0 0.4470 0.7410], "DisplayName", "visible dopplershift() output", "LineWidth", 2);
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grid on;
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xtickformat("HH:mm");
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xlabel("Time of day [HH:mm]");
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ylabel("Doppler shift [kHz]");
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yline(0, "--", "0 Hz", "HandleVisibility", "off");
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legend("Location", "best");
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title("Doppler shift over time x satellite visibility");
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