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Original question:

AWR1642: Range resolution, the minimum distance

AWR1642: What are the minimum unambiguous range and accuracy limits of the AWR1642 device

Tom Vilhelmsen
Prodigy 20 points
Part Number: AWR1642
Other Parts Discussed in Thread: AWR1843

I'm developing an application where I need to detect objects from 5 to 50 cm away with an accuracy of app 5 cm. Can the AWR1642 do it? Is the AWR1843 better?

Thanks

Tom

  • 0
    TI__Guru*** 148804 points

    Hi,

    The AWR1642 should be able to do that.

    There are 2 things to take into consideration

    • may need to remove DC Antenna Coupling Signature from first range bin
      Please see mmwave SDK documentation, section "Antenna Coupling Signature Removal"
      file:///C:/ti/mmwave_sdk_03_03_00_03/packages/ti/datapath/dpu/rangeproc/docs/doxygen/html/index.html
    • perform "Near Field Correction" as described in

                 file:///C:/ti/mmwave_sdk_02_01_00_04/packages/ti/demo/xwr16xx/mmw/docs/doxygen/html/index.html

    Thank you

    Cesar

  • 0
    Prodigy 20 points
    Thanks very much 

    Tom

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    On 1 Nov 2019, at 20:29, Cesar <bounce-20288@mail.e2e.ti.com> wrote:

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    Cesar replied to AWR1642: What are the minimum unambiguous range and accuracy limits of the AWR1642 device.

    Hi,

    The AWR1642 should be able to do that.

    There are 2 things to take into consideration

    • may need to remove DC Antenna Coupling Signature from first range bin
      Please see mmwave SDK documentation, section "Antenna Coupling Signature Removal"
      file:///C:/ti/mmwave_sdk_03_03_00_03/packages/ti/datapath/dpu/rangeproc/docs/doxygen/html/index.html
    • perform "Near Field Correction" as described in

                 file:///C:/ti/mmwave_sdk_02_01_00_04/packages/ti/demo/xwr16xx/mmw/docs/doxygen/html/index.html

    Thank you

    Cesar

     
     

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