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AWR1243: Cascade tutorial doubts

Part Number: AWR1243

Hi,

I am referring the cascade usage of AWR1243 sensors for training series. This is being presented by Dan Wang.

https://training.ti.com/sites/default/files/docs/cascaded-radar-and-body_chassis-automotive-applications.pdf

Based on this, I have the below queries:

      (1) Slide 19: shows a 4-sensors board. IS this available for purchase? If not, then when it will be available.

      (2) The pedestrian detection distance is >140m. What is the exact maximum distance for pedestrian detection consistently with this board.

      (3) Does one achieve >140m with angle resolution of 1.4 deg both for same configuration?? or the hardware/software configuration has to be changed.

      (4) Is the Pedestrian detection of >140m, can be achieved by using multiple Tx to transmit the same signal. This is one way of increasing power at the transmitter. Is this method followed here?

thanks in advance,

Santhana Raj