Beam steering and noise cancelling possible with RSPduo?

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DanubeBCL
Posts: 191
Joined: Sat Jul 02, 2016 12:39 pm

Beam steering and noise cancelling possible with RSPduo?

Postby DanubeBCL » Sat May 19, 2018 7:19 am

Does the new RSPduo in any software have the possibility to combine the two I/Q signals phase and amplitude adjustable in order to suppress local noise using two antennae?
This way to fight against local noise is a big advantage with two channel coherent receivers. The Angelia/Orion boards together with PowerSDR mRX and the Afedri two channel LAN SDR together with Linrad have such an option.
If this would be possible with the RSPduo the RSPduo would indeed be an attractive receiver fit for the daily fight against neighbourhood noise without having to spend high amounts of money.

73s, Heinrich

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Tech_Support
Posts: 329
Joined: Mon Jun 01, 2015 7:00 pm

Re: Beam steering and noise cancelling possible with RSPduo?

Postby Tech_Support » Sat May 19, 2018 10:58 am

Hello Heinrich,
Not yet, but this precise feature is planned for a later release of SDRuno. Of course as soon as we publish the details of the new API, anyone in principle would be able to write software to do this as well.

Sincerely

SDRplay Tech_Support

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radiosky
Posts: 5
Joined: Wed Sep 07, 2016 4:37 am

Re: Beam steering and noise cancelling possible with RSPduo?

Postby radiosky » Sat Jun 02, 2018 7:46 am

This would also be attractive for radio astronomy use. You would have the makings of an phase switching interferometer. Beam steering would be great for us also. Looking forward to the new feature.
Last edited by radiosky on Thu Jan 01, 1970 12:00 am, edited 0 times in total.
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DanubeBCL
Posts: 191
Joined: Sat Jul 02, 2016 12:39 pm

Re: Beam steering and noise cancelling possible with RSPduo?

Postby DanubeBCL » Sat Jun 02, 2018 12:36 pm

Beam steering and especially noise cancelling with two coherent receivers is the only way to at least partly get rid of the RF noise coming from all the neighbouring houses. Hardware noise cancellors are only second choice because you cannot adjust phase and amplitude as precisely as with a software solution. And they suffer from crosstalk and isolation problems. Without the software phasing of e. g. PowerSDR and the Angelia board which I am using I would have given up listening to LW...SW a long time ago. It makes at least possible to null steer one noise source perfectly, but, to be honest, the number of noise sources is growing day by day. But with the software phaser you have at least a weapon. The problem is: The receivers which support this are rare and very expensive. Here the RSPduo could fill a market gap.
73s, Heinrich

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