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AWR1642: AWR1642 uses the ADC data arrangement of capture demo

Part Number: AWR1642

Hi Team,

When customer used the capture demo in SDK 2.1 to capture the ADC data of the AWR1642, he had some questions about the arrangement of data. Figure6 in Mmwave Radar Device ADC Raw Data Capture document explained the non-interleaved way. But customer was not quite sure how each chirp was arranged.

If he set numADCsamples = 256; numLoops = 128; TX = 1; RX = 2; complex mode; Which of the following ways is correct?
(a)
Rx0 -> chirp0(I(0) Q(0)······ (255) Q(255))'
Rx1 -> chirp0
……
Rx0 -> chirp127
Rx1 -> chirp127

(b)
Rx0 -> chirp0(I(0) Q(0) ……I(255) Q(255))'
……
Rx0 -> chirp127
Rx1 -> chirp0
……
Rx1 -> chirp127

Thanks.