AWRL1432BOOST-BSD: AWRL1432: What happens if the chirp parameters in radar application software differ from the chirp parameters in the process of factory calibration, range Bias, and RX phase compensation？

Nelson Lin2

Tool/software:

Hi, TI experts,

As mentioned in the title, the following table lists the two chirp parameters.

Please help clarify whether the factory calibration, range bias, and RX phase compensation need to be redone to handle unacceptable differences in chirp parameters compared to those used by the radar application software.

	chirp parameters in the process of factory calibration, range Bias, and RX phase compensation	chirp parameters in radar application software
ChirpRfFreqStart	76	76
chirpSlope	23	15.4
ChirpRampEndTime	26	26
calRfFreq	95.136	88.8128	refer to mmwDemo_factoryCal
carrier frequency (Fc)	76.304	76.211	refer to mmWaveSensingEstimator

Thanks.

Best,

Nelson

2 months ago

0 Cesar 2 months ago

TI__Guru*** 147854 points

Hi,

You don't need to perform the calibrations again.

thank you
Cesar

Sensors

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AWRL1432BOOST-BSD: AWRL1432: What happens if the chirp parameters in radar application software differ from the chirp parameters in the process of factory calibration, range Bias, and RX phase compensation？