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Calibration

From $1

    Table of contents
    You are currently comparing two old versions - only when you are comparing against the latest version can you revert. Return to version archive.

    Combined revision comparison

    Comparing version 16:46, 21 Nov 2014 by Admin with version 20:11, 21 Nov 2014 by Admin.

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    The loss for the cable and N-waveguide adapter is estimated to be 1.53 dB (1.48 dB for the cable, as calculated by some online RF cable attenuation calculators, and 0.054 dB loss in the adapter).

    Here is the plot of signal value imputed for a range of sample values returned by the USRP:

    ...

    This is the power arriving in the flexible wave guide attached to the feed horn behind the dish antenna. 
    To get the incoming power from the target, you need to also calculate the antenna gain factor.  For the 55 cm
    dish, this is around 30 dB.

    Version from 16:46, 21 Nov 2014

    This revision modified by Admin (Ban)

    ...

    Version as of 20:11, 21 Nov 2014

    This revision modified by Admin (Ban)

    ...


    The loss for the cable and N-waveguide adapter is estimated to be 1.53 dB (1.48 dB for the cable, as calculated by some online RF cable attenuation calculators, and 0.054 dB loss in the adapter).

    Here is the plot of signal value imputed for a range of sample values returned by the USRP:

    ...

    This is the power arriving in the flexible wave guide attached to the feed horn behind the dish antenna. 
    To get the incoming power from the target, you need to also calculate the antenna gain factor.  For the 55 cm
    dish, this is around 30 dB.

     
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