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IWR6843ISK: demo problem

Part Number: IWR6843ISK
Other Parts Discussed in Thread: IWR6843

hello,

I have some questions about IWR6843 area scanner.

1. When I running the demo it will give an error '' The dimensions of the series matrix are inconsistent" at the code which is used to link the xyz and snr.

Through debugging, for example, I find this time the size x is 70*1, however, the size of snr is 68*1, which is the size of x of before frame.

Why the error is happening? how could I solve the problem?

2. I know the most number of points of iwr6843 is 100.

I have some doubt about the mean of 100.

For example, the real world should generate 200 points. because of what? We chose the 100 points from the 200 points. The doppler?The snr? or other? 

3. The resolution of the vertical angle of  iwr6843? 

4. Is the antenna omnidirectional or beam scanning? 

looking forward to your replay.

regards,

zhen