Help needed: DSP, SSB, Hilbert transforms, Octave language

jksjks
edited October 21 in Misc topics

Hi,

I could use help from someone who is knowledgeable about the phasing method of SSB demodulation via the Hilbert transform. I wrote an example in the Octave language and cannot, for the life of me, figure out why it doesn't work. The process works fine when I feed the Hilbert/demod an impulse response, but not with sinusoidal signals.

In addition to online research I prompted AI a bunch of different ways and it says I'm doing all the right stuff. I'm pretty sure it's just a stupid mistake. But I can't find it.

Please email support@kiwisdr.com if you know Octave, can run my Octave program (which generates a few plots) and tell me where my idiot mistake is.

Thank you very much!

Comments

  • n8ooun8oou

    @jks I know nothing about dsp. I did however see the words Hilbert transform in this message thread. It may contain a Java example.

    https://groups.io/g/QRPLabs/topic/qdx_commander_v3_0/115809061

    PS. be sure to read the whole thread.

    Mike N8OOU

  • jksjks

    All I got out of that thread was "82 year old codger" and "AI hallucinations", both of which I can relate to (lol).

    Actually I think I know what the problem is (amplitude imbalance). But I can't test until tomorrow.

    F5AFY
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