feat: add Doppler frequency calculator for linear transponders (issue #91)

- Add DopplerFrequencyCalculator utility with passband mapping + Doppler correction
- Add MHz input UI with real-time 1Hz refresh during pass
- Add kHz offset for downlink frequency correction
- TX/RX fields on same row for compact layout
- 40 unit tests covering linear/FM/inverted transponders
This commit is contained in:
atsunatsu committed 2026-07-31 14:17:19 +08:00
1 parent f585372594
commit eac1e6e273
5 files changed
+390

No files matched your search

@@ -80,6 +80,11 @@
<string name="radar_string_no">No</string>
<string name="radar_string_yes">Yes</string>
<string name="radar_visible">Visible</string>
<string name="radar_doppler_calc">Doppler Frequency Calculator</string>
<string name="radar_doppler_tx_hint">Enter TX freq (MHz)</string>
<string name="radar_doppler_rx_hint">Enter RX freq (MHz)</string>
<string name="radar_doppler_offset_hint">Offset (kHz)</string>
<string name="radar_doppler_info">For linear transponders, type one frequency to see the other</string>
<!-- Map screen -->
<string name="map_prev">Prev</string>