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authorkrakenrf <78108016+krakenrf@users.noreply.github.com>2022-10-15 10:40:25 +0200
committerkrakenrf <78108016+krakenrf@users.noreply.github.com>2022-10-15 10:40:25 +0200
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parentUpdated 08. Passive Radar (markdown) (diff)
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![image](https://user-images.githubusercontent.com/78108016/170861790-531a46a8-87f3-442a-941a-89ae110142f3.png)
-The bistatic range displayed on the KrakenSDR range-doppler graph is described by the formula $Bistatic Range (meters) = R_b = Rtx + Rrx - L$. So you can see that a single reading on the range-doppler graph describes an ellipse of possible locations.
+The bistatic range displayed on the KrakenSDR range-doppler graph is described by the formula $\mathrm{Bistatic Range (meters)} = R_b = R_tx + R_rx - L$. So you can see that a single reading on the range-doppler graph describes an ellipse of possible locations.
# Range Resolution
-Range resolution depends on the sampling bandwidth, which for the KrakenSDR and RTL-SDR tuners inside is 2.4 MHz. Therefore we achieve $c / fs = 299 792 458 / 2400000 = ~125m$ resolution per range cell on the graph (assuming the illuminating signal is at least 2.4 MHz as well).
+Range resolution depends on the sampling bandwidth, which for the KrakenSDR and RTL-SDR tuners inside is 2.4 MHz. Therefore we achieve $\frac{c}{fs} = \frac{299792458}{2400000} = ~125m$ resolution per range cell on the graph (assuming the illuminating signal is at least 2.4 MHz as well).
This means that we can differentiate between two different objects that are 125m apart. \ No newline at end of file