|Subject:||Re: [Discuss-gnuradio] two WBX boards synchronization|
|Date:||Wed, 10 Dec 2014 01:32:42 +0100|
On 12/09/2014 04:42 AM, Nemanja Savic wrote:The samples will be time-aligned, but those samples will have been derived from two independent analog downconversionShouldn't relative phase be constant and 90 degrees for example if transmitted wave had circular polarization?
chains, which means that the synthesized LO will have a different relative phase (between the two sides) every time.
On Tue, Dec 9, 2014 at 10:38 AM, Nemanja Savic <address@hidden> wrote:
Yes, the platform is USRP1. What is relative phase in this case if they are alligned in time?
On Mon, Dec 8, 2014 at 4:19 PM, <address@hidden> wrote:
You haven't stated which USRP motherboard platform, but I assume you're talking about the USRP1, given the 4RX image. Yes, the samples
will be aligned in time, but the relative phase will be random every time you re-tune or start a new session.
On 2014-12-08 06:03, Nemanja Savic wrote:Many thanks,Hi all guys,I am about to make a receiver with two WBX daughterboards. I want to receive simultaneusly with horizontal and vertical antenna. For this purpose I want to use 4RX FPGA image. My question signals obtained in this way, from two daughterboards, alligned in time?
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