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IWR1443: Is there any method to reduce power?

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Part Number:IWR1443

Dears:

From the below link I know the precision can approach to mm level.

https://e2e.ti.com/support/sensors/f/1023/t/681237?tisearch=e2e-sitesearch&keymatch=IWR1443%20precision

And there is other issues pls. kindly help to give more information:

The first issue as below code:

Chirp configurations: – The two optimized chirp configurations provided in the high accuracy 14xx lab are: 

• Profile_2db.txt: sample size 512, max range 20m                                                          Luck: if Max range is 20m, how can we set the distance is 120m?

• Profile_2de.txt: sample size 1024, with resolution of 4cm for best accuracy                  Luck: since the best accuracy is 4cm, how long is the distance? Can meet 0.5~120m? 

– The high accuracy lab only supports 1TX and 1RX with sample size <=1024

– Frame configuration: infinite loops of frames with one chirp per frame

 

The other issues as follows:

1. How can IWR1443 can meet the precision of mm level? If the aim is stable.

2. How long does it take to accumulate and compute data in the solution? Are there any influences about the precision and calculating speed?

3. How to control the measurement frequency since we need the low power?

4. Is there any method to reduce power?

Pls. kindly help to give some suggestions.


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