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Pulsed Radar Tests


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    UKHASnet

    I have been doing some radar tests on 3cm for a bit of fun, always wanted to do it but never got around to it!

    Initial tests were with Pulsed operation which gave some reasonable results, main problem being de-sense from Tx noise getting into the Rx via the circulator i think.
    Tests were with 1uS pulses of ~4W RF into 60cm dish, generates a fairly wide bandwidth signal as you can imagine!
    A waveguide filter was fitted between the Transverter and Amplifier to clean this up a bit.

    Rx was a PLL LNB after a PIN attenuator connected to a circulator.

    Pulsed Block Diagram




    A plot made with python script is here showing reflections at ~8-12km:

    Radar Plot example



    A basic version of the script produces this, script below:
    Radar reflections example




    radar_plot_echo.py














    Last page added:25/03/00 18:32
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