您好,请问在Monitor触发模式为API触发时,该如何配置CALIB_MON_TIME_UNIT,可否明确的给出一条公式?看官方提供的例程是默认设置为4的,这个值是怎么得出来的呢?
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"channelCfg": [
{
"rxMask": 15,
"numTxAntennas": 2,
"numVirtualAntennas": 4,
"chirpStartIdx": 0,
"chirpEndIdx": 47,
"profileId": 0,
"adcStartTime": 0,
"adcEndTime": 255,
"digOutSampleRate": 25000000,
"hpfCornerFreq1": 0,
"hpfCornerFreq2": 0,
"rxGainIndex": 30,
"txAntennaOrder": 0,
"cascading": 0
}
],
"profileCfg": [
{
"profileId": 0,
"startFreq": 76000000,
"idleTime": 20,
"adcStartTime": 0,
"rampEndTime": 80,
"txOutPower": 0,
"txPhaseShifter": [
0,
0,
0,
0
],
"freqSlopeConst": 60,
"txStartTime": 0,
"numAdcSamples": 256,
"digOutSampleRate": 25000000,
"hpfCornerFreq1": 0,
"hpfCornerFreq2": 0,
"rxGain": 30,
"txPhaseSlope": [
0,
0,
0,
0
],
"txAntennaPattern": [
0,
0,
0,
0
]
}
],
"guiMonitor": {
"detectedObjects": true,
"logMagnitudeRange": 90,
"noiseProfile": true,
"rangeAzimuthHeatMap": false,
"rangeDopplerHeatMap": true,
"rangeProfile": true,
"statsInfo": true
},
"frameCfg": {
"chirpStartIdx": 0,
"chirpEndIdx": 47,
"numLoops": 48,
"numFrames": 0,
"framePeriodicity": 100000,
"triggerSelect": 1,
"triggerDelay": 0,
"frameTriggerDelay": 0,
"numAdcSamples": 256,
"adcStartTime": 0,
"adcEndTime": 255,
"digOutSampleRate": 25000000,
"hpfCornerFreq1": 0,
"hpfCornerFreq2": 0,
"frameSeq": 0,
"numChirpsPerFrame": 48,
"numDopplerBins": 64,
"numRangeBins": 256,
"rangeResolutionMeters": 0.078125,
"velocityResolutionMps": 0.03814697265625,
"rangeBias": 0,
"rangeBiasVar": 0,
"numVirtualAntAzim": 4,
"numVirtualAntElev": 1,
"virtualAntAzimSpacing": 1,
"virtualAntElevSpacing": 1,
"azimuthTilt": 0,
"elevationTilt": 0,
"sensorId": 0,
"digitalFilterId": 0,
"compRxEnable": 0,
"numAdcSamplesRoundTo2": 256,
"extendedMaxVelocity": 40,
"compRxV2": 0,
"numTxAntennas": 2,
"numRxAntennas": 4,
"subFrameIdx": 0,
"forceProfile": 0
}
以上是一个示例配置