On 10/05/2018 02:04 AM, Koyel Das (Vehere) wrote:
Hi Marcus,
As you said that you do interferometry using USRP 2954 R or similar,
do you connect the antennas directly to the two ports of USRP
or you use cables to make them farther apart? If we don't use cables
and directly connect the antennas to USRP, can there be mutual
coupling between the antennas as their separation is around 14 to 15 cm?
Regards,
Koyel
The separation between antennae for astronomical interferometry is
typically many many wavelengths--our 611MHz interferometer has
antennae that are 23m apart, for example.
It depends on the reason you're doing interferometry that will guide
your separation distance. With two antennae very close together,
there will be coupling.
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