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added capture time for every sweep

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This commit is contained in:
Ayzen
2026-09-03 17:30:19 +03:00
parent 8a52431bd3
commit 7997abe2d9
20 changed files with 271 additions and 17 deletions
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python_app/scripts/convert_snapshot_to_vna_history.py
+13 -1
View File
@@ -23,6 +23,9 @@ class TraceRecord:
stage_index: int
frequency_hz: np.ndarray
samples: np.ndarray
# End of this trace's own sweep, from the snapshot's per-trace metadata; 0 for a
# snapshot recorded before per-trace timing existed.
capture_end_ns: int = 0
@dataclass(frozen=True)
@@ -128,6 +131,7 @@ def _load_stage_records(
stage_index=_parse_stage_index(collection_dir.name, fallback_idx),
frequency_hz=frequency_hz,
samples=samples,
capture_end_ns=int(trace_meta.get("capture_end_ns", 0)),
)
)
@@ -214,7 +218,15 @@ def _build_sweep_history(
start_freq_hz = float(base.frequency_hz[0])
stop_freq_hz = float(base.frequency_hz[-1])
timestamp_sec = float(base.monotonic_ns) / 1_000_000_000.0 if base.monotonic_ns > 0 else float(fallback_index)
# Prefer this trace's own sweep time: with a switching matrix the combos of
# one collection are measured milliseconds apart, so the collection
# timestamp misplaces every combo but the last.
if base.capture_end_ns > 0:
timestamp_sec = float(base.capture_end_ns) / 1_000_000_000.0
elif base.monotonic_ns > 0:
timestamp_sec = float(base.monotonic_ns) / 1_000_000_000.0
else:
timestamp_sec = float(fallback_index)
history.append(
{
python_app/scripts/kamil_adc_raw_producer.py
+6
View File
@@ -184,12 +184,16 @@ def main() -> int:
if collector_driven:
# The collector already switched and tagged the sweep; just
# read the clean capture for this combination.
sweep_start_ns = time.monotonic_ns()
sweep = radar.acquire(combo=(combo.input, combo.output))
else:
output_switch.switch_to(combo.output)
input_switch.switch_to(combo.input)
if config.runtime.settling_ms > 0:
time.sleep(config.runtime.settling_ms / 1000.0)
# Stamped after switching and settling so the window covers
# the sweep alone, not the dead time before it.
sweep_start_ns = time.monotonic_ns()
sweep = radar.acquire()
traces.append(
TraceData(
@@ -197,6 +201,8 @@ def main() -> int:
frequency_hz=np.asarray(sweep.x, dtype=np.float32),
s11=np.asarray(sweep.trace("s11"), dtype=np.complex64),
s21=np.asarray(sweep.trace("s21"), dtype=np.complex64),
capture_start_ns=sweep_start_ns,
capture_end_ns=time.monotonic_ns(),
)
)
except Exception as exc: # noqa: BLE001 — reconnect forever, never give up