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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 (http://hackaday.com/2014/02/24/guest-post-try-radar-for-your-next-project/) (http://hackaday.com/2014/03/17/radar-imaging-in-your-garage-synthetic-aperture-radar/) 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'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

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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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miricip 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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