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AWR1642BOOST: How to calculate the maximum measurement range of radar?

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Part Number:AWR1642BOOST

Hi,

I'm using the AWR1642BOOST and Radar Studio.

According to the default configuration of RadarStudio, the radar measurement range is 25m.

and I've tested a target that can measure at least 24m.

The default configuration:

ADC config Format: Complex2x;

Sample Rate(ksps): 10000;

Slop : 30MHz/us.

According to the formula in document SWRA553->www.ti.com/.../swra553.pdf

In case of complex2x mode, the IF bandwidth is limited to 0.9*(Sample Rate)/2. The maximum of IF bandwidth is 4.5MHz.

Range max =  (IFmax * C)/(2*S)

IFmax -> maximum IF bandwidth supported;

C -> Speed of light;

S -> Solp of the transmitted chirp.

So get the maximum range is 22.5m.

This result contradicts the previous one.

Thank you in advance for your response.

Xian


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