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DCA1000EVM: The time Domin Plot is the constant!

Part Number: DCA1000EVM

  We want to get the Multi-channel raw dataWe use the AWR1642BOOST and DCA1000EVM.  we  successfully connected the device and can get the raw data, just the Data storage file(adc_data.bin ) is not empty!  but the plots are wrong:

1.The time Domin Plot is the constant(real and imag)! this is why? The configuration and the time domin plot are the following:

2. when I run the 'DataCaptureDemo_xWR.lua' successfully,the image is correct:

     This is correct.  But I think this is just running an officially configured file. This is just a reference example,But did not solve my problem,I refer to the configuration in the video(Exactly the same configuration,AWR1642BOOST+DCA1000EVM), but the real and imaginary parts of the time domain graph are still constant, This is why???

     In addition,I am sure have the jumpers across SOP0 and SOP1 when I use the DCA1000EVM.

    Please help solve this problem, thank you!!!