Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: HIDE & SEEK: End-to-End Packages to Simulate and Process Radio Survey
  Data   As several large single-dish radio surveys begin operation within the coming
decade, a wealth of radio data will become available and provide a new window
to the Universe. In order to fully exploit the potential of these data sets, it
is important to understand the systematic effects associated with the
instrument and the analysis pipeline. A common approach to tackle this is to
forward-model the entire system - from the hardware to the analysis of the data
products. For this purpose, we introduce two newly developed, open-source
Python packages: the HI Data Emulator (HIDE) and the Signal Extraction and
Emission Kartographer (SEEK) for simulating and processing single-dish radio
survey data. HIDE forward-models the process of collecting astronomical radio
signals in a single-dish radio telescope instrument and outputs pixel-level
time-ordered-data. SEEK processes the time-ordered-data, removes artifacts from
Radio Frequency Interference (RFI), automatically applies flux calibration, and
aims to recover the astronomical radio signal. The two packages can be used
separately or together depending on the application. Their modular and flexible
nature allows easy adaptation to other instruments and data sets. We describe
the basic architecture of the two packages and examine in detail the noise and
RFI modeling in HIDE, as well as the implementation of gain calibration and RFI
mitigation in SEEK. We then apply HIDE & SEEK to forward-model a Galactic
survey in the frequency range 990 - 1260 MHz based on data taken at the Bleien
Observatory. For this survey, we expect to cover 70% of the full sky and
achieve a median signal-to-noise ratio of approximately 5 - 6 in the cleanest
channels including systematic uncertainties. However, we also point out the
potential challenges of high RFI contamination and baseline removal when
examining the early data from the Bleien Observatory.

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The categories of this paper are: stat
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The categories of this paper are: dg-ga
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The categories of this paper are: physics
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The categories of this paper are: adap-org
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The categories of this paper are: q-alg
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The categories of this paper are: math-ph
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The categories of this paper are: hep-th
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The categories of this paper are: eess
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The categories of this paper are: funct-an
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The categories of this paper are: hep-ex
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The categories of this paper are: atom-ph
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The categories of this paper are: acc-phys
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The categories of this paper are: econ
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The categories of this paper are: hep-ph
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The categories of this paper are: quant-ph
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The categories of this paper are: q-bio