From dbd8396087d5117932c091787d1ce244c8c511ac Mon Sep 17 00:00:00 2001 From: krakenrf <78108016+krakenrf@users.noreply.github.com> Date: Tue, 11 Oct 2022 20:43:25 +1300 Subject: Updated 08. Passive Radar (markdown) --- 08.-Passive-Radar.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/08.-Passive-Radar.md b/08.-Passive-Radar.md index fcb9160..fc96e8f 100644 --- a/08.-Passive-Radar.md +++ b/08.-Passive-Radar.md @@ -91,4 +91,6 @@ In the future we aim to have software enhancements that make understanding and v The bistatic range displayed on the KrakenSDR range-doppler graph is described by the formula Rtx + Rrx - L # 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. +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). + +This means that we can differentiate between two different objects that are 125m apart. \ No newline at end of file -- cgit v1.2.3