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[fix](trx-rs): improve marine decode paths

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Finish the pending MARINE frontend and decoder activation wiring, and lower the VDES detector power floors so weak signals are eligible for burst detection in the same power domain used by the IQ path.

Co-authored-by: OpenAI Codex <codex@openai.com>
Signed-off-by: Stanislaw Grams <stanislawgrams@gmail.com>
This commit is contained in:
Stan Grams
2026-03-03 01:16:14 +01:00
parent 10f5a147dc
commit 696ba09049
3 changed files with 68 additions and 38 deletions
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src/decoders/trx-vdes/src/lib.rs
+4 -4
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@@ -37,9 +37,9 @@ const PI4_QPSK_DIBITS: [u8; 4] = [0b00, 0b01, 0b11, 0b10];
const MIN_SYNC_CANDIDATE_SCORE: f32 = 0.20;
const MIN_SYNC_PARSE_SCORE: f32 = 0.50;
const BURST_TRIGGER_NOISE_MULT: f32 = 1.8;
const BURST_TRIGGER_FLOOR: f32 = 1.0e-6;
const BURST_TRIGGER_FLOOR: f32 = 1.0e-12;
const BURST_SUSTAIN_NOISE_MULT: f32 = 1.02;
const BURST_SUSTAIN_FLOOR: f32 = 5.0e-7;
const BURST_SUSTAIN_FLOOR: f32 = 1.0e-13;
#[derive(Debug, Clone)]
pub struct VdesDecoder {
@@ -54,7 +54,7 @@ impl VdesDecoder {
pub fn new(sample_rate: u32) -> Self {
Self {
sample_rate: sample_rate.max(1) as f32,
noise_floor: 1.0e-4,
noise_floor: 1.0e-12,
in_burst: false,
quiet_run: 0,
burst_samples: Vec::new(),
@@ -62,7 +62,7 @@ impl VdesDecoder {
}
pub fn reset(&mut self) {
self.noise_floor = 1.0e-4;
self.noise_floor = 1.0e-12;
self.in_burst = false;
self.quiet_run = 0;
self.burst_samples.clear();