SARAS CD/EoR Radiometer: Design and Performance of the Digital Correlation Spectrometer

@inproceedings{Girish2020SARASCR,
  title={SARAS CD/EoR Radiometer: Design and Performance of the Digital Correlation Spectrometer},
  author={B. S. Girish and K. S. Srivani and Ravi Subrahmanyan and N. Udaya Shankar and Saurabh Singh and T. Jishnu Nambissan and Mayuri Sathyanarayana Rao and R. Somashekar and Agaram Raghunathan},
  year={2020}
}
In the currently accepted model for cosmic baryon evolution, Cosmic Dawn (CD) and the Epoch of Reionization (EoR) are significant times when first light from the first luminous objects emerged, tra... 

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References

SHOWING 1-10 OF 36 REFERENCES
SARAS: a precision system for measurement of the cosmic radio background and signatures from the epoch of reionization
SARAS is a correlation spectrometer purpose designed for precision measurements of the cosmic radio background and faint features in the sky spectrum at long wavelengths that arise from redshiftedExpand
SARAS 2: a spectral radiometer for probing cosmic dawn and the epoch of reionization through detection of the global 21-cm signal
The global 21-cm signal from Cosmic Dawn (CD) and the Epoch of Reionization (EoR), at redshifts z∼6−30$z \sim 6-30$, probes the nature of first sources of radiation as well as physics of theExpand
First results on the Epoch of Reionization from First Light with SARAS 2
Long wavelength spectral distortions in the Cosmic Microwave Background arising from the 21-cm transition in neutral Hydrogen are a key probe of Cosmic Dawn and the Epoch of Reionization. TheseExpand
Design and characterization of the Large-aperture Experiment to Detect the Dark Age (LEDA) radiometer systems
The Large-Aperture Experiment to Detect the Dark Age (LEDA) was designed to detect the predicted O(100)mK sky-averaged absorption of the Cosmic Microwave Background by Hydrogen in the neutral pre-Expand
SARAS 2 Constraints on Global 21 cm Signals from the Epoch of Reionization
Spectral distortions in the cosmic microwave background over the 40--200~MHz band are imprinted by neutral hydrogen in the intergalactic medium prior to the end of reionization. This signal, producedExpand
SARAS measurement of the Radio Background at long wavelengths
SARAS is a correlation spectrometer connected to a frequency independent antenna that is purpose-designed for precision measurements of the radio background at long wavelengths. The design,Expand
Modeling the Radio Foreground for detection of CMB spectral distortions from Cosmic Dawn and Epoch of Reionization
Cosmic baryon evolution during the Cosmic Dawn and Reionization results in redshifted 21-cm spectral distortions in the cosmic microwave background (CMB). These encode information about the natureExpand
BIGHORNS - Broadband Instrument for Global HydrOgen ReioNisation Signal
Abstract The redshifted 21cm line of neutral hydrogen (Hi), potentially observable at low radio frequencies (~50–200 MHz), should be a powerful probe of the physical conditions of the inter-galacticExpand
The Hydrogen Epoch of Reionization Array (HERA)
  • D. DeBoer
  • Art, Physics
  • 2016 International Conference on Electromagnetics in Advanced Applications (ICEAA)
  • 2016
The Hydrogen Epoch of Reionization Array (HERA http://reionization.org) is a staged experiment that uses the unique properties of the 21-cm line from neutral hydrogen to probe the Epoch ofExpand
Calibration of the EDGES High-Band Receiver to Observe the Global 21-cm Signature from the Epoch of Reionization
The EDGES High-Band experiment aims to detect the sky-average brightness temperature of the $21$-cm signal from the Epoch of Reionization (EoR) in the redshift range $14.8 \gtrsim z \gtrsim 6.5$. ToExpand
...
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