orion-sdr 0.0.20

DSP/SDR block library targeting HF-to-UHF, satellites, and Python bindings. Roadmap inside.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30


use crate::core::{AudioToIqChain, IqToAudioChain};
use crate::modulate::PmDirectPhaseMod;
use crate::demodulate::PmQuadratureDemod;
use super::{real_tone, minsps_from_env, measure_throughput};

#[test]
fn throughput_pm_roundtrip() {
    let fs = 48_000.0;
    let n = 65_536;
    let repeats = 30;

    let audio = real_tone(fs, 900.0, n, 0.5);
    let mut tx = AudioToIqChain::new(PmDirectPhaseMod::new(fs, 0.9, 0.0));
    let mut rx = IqToAudioChain::new(PmQuadratureDemod::new(fs, 0.9, 5_000.0));

    let (msps, dt) = measure_throughput(
        || {
            let iq = tx.process(audio.clone());
            let out = rx.process(iq);
            out.len()
        },
        n,
        repeats,
    );

    println!("[PM] {:.2} Msps in {:.3}s", msps, dt);
    let min_msps = minsps_from_env(0.25);
    assert!(msps >= min_msps, "PM throughput {:.2} Msps < min {:.2} Msps", msps, min_msps);
}