IWR6843ISK: RX Gain

Hi, 

We are working on an answer to this now, Thank you for your patience.

Best,

Nate

HI,  there:

Please send me thconfiguration through the GUI capture.  So, it will be easier to compare it with the CLI configuration. 

Best,

Zigang

Hi,

this is my configuration of mmwave_studio.

Thanks for your reply.

HI, there:

Your OOB demo configuration was using 10dB backoff on TX1, and there are several other setting that are slightly different.  Please try 

profileCfg 0 60.0 10 6 250 0 0 14.967 0 2048 10000 0 0 30

Best,

Zigang

Hi,

Thanks for your reply.

I tried this new config file .

dfeDataOutputMode 1
channelCfg 1 1 0
adcCfg 2 1
adcbufCfg -1 0 1 1 1
profileCfg 0 60.0 10 6 250 0 0 14.967 0 2048 10000 0 0 30
chirpCfg 0 0 0 0 0 0 0 1
frameCfg 0 0 190 0 50 1 0
lowPower 0 0
lvdsStreamCfg -1 0 1 0
calibMonCfg 1 1
monCalibReportCfg 1 1 0
txPowerMonCfg 1 0 0
txPowerMonCfg 1 1 0
txPowerMonCfg 1 2 0
txBallbreakMonCfg 1 0
txBallbreakMonCfg 1 1
txBallbreakMonCfg 1 2
rxGainPhaseMonCfg 1 0
tempMonCfg 1 20
synthFreqMonCfg 1 0
pllConVoltMonCfg 1
dualClkCompMonCfg 1
rxIfStageMonCfg 1 0
extAnaSigMonCfg 0
pmClkSigMonCfg 1 0
rxIntAnaSigMonCfg 1 0
gpadcSigMonCfg 1

But the results are similiar to before ,things didn't get better.

HI, 

So the scale may be different between the two applications.  But why the shape is also different? Do you have any ideas?  Are these figures generated from the tools? or by you?

Best,

Zigang

Hi,

Thanks for your reply.

The two experiments were performed in the same scenario.I haved tried many times but  result is the same.

This is my test scenario and The radar didn't move.

Hi,

These images are generated from same python files and are the result of a 1D Fourier transform of raw_data

Oh!

Thanks for your reply.

I modified my python file and problem was solved.Thanks a lot.

Regards.

Hi,

This is my  json file.

Does it mean  Q1, I1, Q2, I2, ...?

{
  "DCA1000Config": {
    "dataLoggingMode": "raw",
    "dataTransferMode": "LVDSCapture",
    "dataCaptureMode": "ethernetStream",
    "lvdsMode": 2,
    "dataFormatMode": 3,
    "packetDelay_us": 25,
    "ethernetConfig": {
      "DCA1000IPAddress": "192.168.33.180",
      "DCA1000ConfigPort": 4096,
      "DCA1000DataPort": 4098
    },
    "ethernetConfigUpdate": {
      "systemIPAddress": "192.168.33.30",
      "DCA1000IPAddress": "192.168.33.180",
      "DCA1000MACAddress": "12.34.56.78.90.12",
      "DCA1000ConfigPort": 4096,
      "DCA1000DataPort": 4098
    },
    "captureConfig": {
	  "fileBasePath": "F:\\raw_data",
      "filePrefix": "adc_data",
      "maxRecFileSize_MB": 1024,
      "sequenceNumberEnable": 1,
      "captureStopMode": "duration",
      "bytesToCapture": 4000,
      "durationToCapture_ms": 21000,
      "framesToCapture": 400
    },
    "dataFormatConfig": {
      "MSBToggle": 0,
      "laneFmtMap": 0,
      "reorderEnable": 0,
      "dataPortConfig": [
        {
          "portIdx": 0,
          "dataType": "real"
        },
        {
          "portIdx": 1,
          "dataType": "complex"
        },
        {
          "portIdx": 2,
          "dataType": "real"
        },
        {
          "portIdx": 3,
          "dataType": "real"
        },
        {
          "portIdx": 4,
          "dataType": "complex"
        }
      ]
    }
  }
}

Hi, there:

You need to check the setting of "reorderEnable" in json file. And you need to know in ADC data the order of I sample and Q sample.  

Let me give an example,

1) in OOB demo Q sample is first, and if "reorderEnable" = 1, then the data order is

Q1, I1, Q2, I2, and etc

1) in OOB demo Q sample is first, and if "reorderEnable" = 0, then the data order is

Q1, Q2, I1, I2, and etc

Best,

Zigang

Hi,

Thanks for your reply.

I see, but how to determine the order of I sample and Q sample