Nyquist & aliasing

Frammenti di codice

curl "https://api.oanor.com/adc-api/v1/sampling" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/adc-api/v1/sampling", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/adc-api/v1/sampling");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);

import requests
requests.get(
    "https://api.oanor.com/adc-api/v1/sampling",
    headers={"x-oanor-key": "oanor_test_..."}
)

Risposta di esempio

Una risposta reale di questo endpoint, acquisita dall'ultimo health check.

{
    "data": {
        "note": "Nyquist: sample at ≥ 2× the highest signal frequency. A tone above fs/2 folds to |fin − round(fin/fs)·fs|.",
        "inputs": {
            "sample_rate_hz": 44100,
            "max_frequency_hz": 20000,
            "input_frequency_hz": 30000
        },
        "aliased": true,
        "nyquist_rate_hz": 40000,
        "adequately_sampled": true,
        "alias_frequency_hz": 14100,
        "nyquist_frequency_hz": 22050
    },
    "meta": {
        "timestamp": "2026-06-04T18:38:10.079Z",
        "request_id": "3a84fa4c-466e-4789-90ef-c546b1135671"
    },
    "status": "ok",
    "message": "Sampling/Nyquist",
    "success": true
}