> On Mar 12, 2019, at 3:05 PM, Marcus D. Leech via USRP-users
> <usrp-users@lists.ettus.com> wrote:
>
> On 03/12/2019 12:49 PM, Patscheider, Dominik via USRP-users wrote:
>> Hello ,
>>
>> For a Radar I´m transmitting and receiving with the USRP X310 samples on
>> different frequency steps.
>>
>> For instance, after 4 frames I´m coming back to the first center freq and
>> continue this a few times. Hope the following description helps…
>>
>> f3 |phase4| |…|
>> f2 |phase3| |…|
>> f1 |phase2| |phase6| …
>> f0 |phase1| |phase5|
>> t ------>
>> According to the freq adjust every frame starts with a new phase.
>> Phase 1 ≠ Phase 5
>>
>> Is there any possibility to get the same phase after returning to the same
>> center freq? Phase 1=Phase 5, Phase 2 = Phase 6,…
>>
>> Thanks in advance.
>> dominik
>>
> Almost certainly not. It would take a very special type of frequency
> synthesizer to achieve that.
>
You mean the sort of frequency synthesizer that might be implemented entirely
in the digital domain within say a DUC or DDC with the ability to have a time
coordinated update to the respective phase-increment registers? :-)
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