pyuvsim

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[pre-commit.ci] pre-commit autoupdate

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updates: - [github.com/pycqa/isort: 5.10.1 → 5.11.1](https://github.com/pycqa/isort/compare/5.10.1...5.11.1)

pre-commit-ci[bot]

Sim Setup Performance Enhancements

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## Description This PR adds the following performance-enhancing features in the context of setting up a simulation from config: 1. Ability to do partial reading of beams (if they are...

steven-murray

simsetup.SkyModelData strips reference frequency from Healpix maps

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I am attempting to run a pyuvsim simulation using `run_uvdata_uvsim` function. I am using `simsetup.SkyModelData` to format a diffuse Healpix map that I can pass to the simulation function, but...

rlbyrne

Remove handling for older pyuvdata versions in tests

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## Description Strip out handling in tests for pyuvdata versions older than 2.2.8 (which we now require) ## Motivation and Context ## Types of changes - [x] Other ## Checklist:...

bhazelton

This issue is mostly a reminder that we should do a bit of a group review of the simsetup part of pyuvsim. A few notes: 1. There seem to be...

steven-murray

uvw errors for non-terrestrial telescopes?

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In our telecon the other day, we looked at the calculation of uvw's (which eventually go into the visibility calculation) for telescopes on the moon. When initializing from a parameter...

jpober

Analytic Beam refactoring

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I find the implementation of `AnalyticBeam` extremely restrictive and difficult to use for a number of reasons. I'll try to outline my ideas here, and open up discussion for ideas...

steven-murray

Does pyuvsim write telescope locations with sufficient precision?

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@StellanBechtold has been working to replicate the visibilities for a single source simulation using only the alt/az calculation in the SkyModel object and an analytic beam. He's found that when...

jpober

The code that takes the UVBeam data array into the jones matrix (in antenna.py) assumes a beam that has E-field components aligned with the azimuth and zenith angle axes. This...

bhazelton

Add support for a single feed

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## Description Relax the requirement that there are always 2 feeds leading to 4 polarizations. Now allow for a single feed. Still require that there are Nfeed^2 polarizations. Needs changelog...

slosar