Dear ARTS community,
I am currently using the HITRAN spectral database. May I ask what version of
the hitran. par file can be read using the ReadHITRAN method? How can I
obtain different versions of the hitran database from different historical
periods? Is it only the latest that can be
Hi Patrickļ¼
Thank you for your quick reply, the advice you provided is very helpful, thank
you again very much!
Best wishes,
Jiaan He
At 2023-10-18 01:11:31, "Patrick Eriksson"
wrote: >Hi, > >The only way to get ARTS to do QV and QH automatically, is to
use a >"system" denoted as metmm. You f
Hi,
The only way to get ARTS to do QV and QH automatically, is to use a
"system" denoted as metmm. You find it in folder
arts/controlfiles/instruments/metmm
It is not totally straightforward to use and the documentation is not
extensive. As far as I know, the documentation is basically the f
Dear ARTS community,
ARTS provides calculation methods for vertical polarization and horizontal
polarization. However, many sensors are now set up with QH and QV polarization.
I simulated the brightness temperature of a satellite borne microwave
radiometer channel at 23.8GHz (QH polarization
Hi Patrick,Thank you for your help!
I tried the method you provided and it shows that
TBv=TB(I)+TB(Q),TBh=TB(I)-TB(Q). So does that mean TB(Q)=(TBv-TBh)/2. Not sure
if I have to understand correctly? Note: TB stands for brightness temperature.
Looking forward to your reply again, thanks!
Si
Hi,
For theory, see Sec 5.7 of doi:10.1016/j.jqsrt.2011.03.001
Note especially Eq 19.
To automatically extract V and/or H inside ARTS, you need to use
sensor_responsePolarisation, with polarisations measured/wanted
specified by instrument_pol.
Bye,
Patrick
On 2023-10-09 09:32, suifengbenpa
Dear ARTS community,
Currently I am simulating H and V polarization brightness temperatures, but I
found that the polarization calculation in the description is not the same as
the traditional radiation calculation (Q=Iv-Ih), so how should I calculate the
brightness temperatures of H and V p
