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HB100 FMCW Radar

Modifying an HB100 X Band Doppler Radar Module for FMCW Ranging Measurements

timTim
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Inspired by the work of Gregory Charvat (<a href="http://hackaday.com/2014/02/24/guest-post-try-radar-for-your-next-project/" target="_blank">http://hackaday.com/2014/02/24/guest-post-try-radar-for-your-next-project/</a>) (<a href="http://hackaday.com/2014/03/17/radar-imaging-in-your-garage-synthetic-aperture-radar/" target="_blank">http://hackaday.com/2014/03/17/radar-imaging-in-your-garage-synthetic-aperture-radar/</a>) I decided to build my own FMCW ranging radar. Since the coffee can thing had already been done I challenged my self to extra low cost. Using an HB100, teensy 3.2 and ADAU1761 I&apos;ve built a functioning FMCW ranging radar. More details to come...

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dadanto wrote 07/11/2019 at 11:06 • point

Hello Tim.

Great project.

What you did was very interesting.
I have a few questions if I do not hinder you?
With what frequency generator HB100 sweeping (hz- Khz) ?

How did you do the FFT  analysis?
On what platform ?

Thanks

Anton

  Are you sure? yes | no

Martin wrote 03/17/2019 at 06:53 • point

Details please?

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Ronald Gordon wrote 10/16/2017 at 03:19 • point

Look at very old PCM (Pulse Code Modulation) used freq hopping to avoid detection and jamming.  60's era satellites and spec ops ground comm.

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Mirel Paun wrote 07/06/2017 at 13:07 • point

In order to implement a FMCW Radar it is necessary to modulate the frequency of the oscillator. As far as I can see the HB100's oscillator has fixed frequency. I am very interested how you managed to modulate the oscillator's frequency, because I want to make a similar project myself, but I can't figure out how to do it. 

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