Browsing by Author Udaya Shankar, N.

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Issue DateTitleAuthor(s)Citation
2001Deconvolution of wide-field images from a non-coplanar T- ArrayGolap, K.; Udaya Shankar, N.Journal of Astrophysics and Astronomy, 2001, Vol. 22, p.251-262.
20-Dec-2016Delay spectrum with phase-tracking arrays: extracting the Hi power spectrum from the epoch of reionizationPaul, Sourabh; Sethi, S.K.; Dwarakanath, K.S.; Udaya Shankar, N.; Subrahmanyan, Ravi; Prabu, T.; Srivani, K.S.; +40 Co-authorsAstrophysical Journal, 2016, Vol. 833, p 213
Oct-2015Design of frequency independent profiled discone antenna for detecting spectral ripples from the epoch of recombinationRaghunathan, A.; Udaya Shankar, N.; Sathyanarayana Rao, Mayuri; Subrahmanyan, RaviProceedings of the 2015 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC) held at Torino, Italy, from September 7-11, 2015. Page 949
2001Detection, excision and statistics of interference at the Mauritius radio telescopeSachdev, S.; Udaya Shankar, N.Journal of Astrophysics and Astronomy, 2001, Vol. 22, p213-227.
2004Development of a microcontroller based local network for a radio telescope health monitoring systemGurumurthy, K.S.; Udaya Shankar, N.; Krishnamurthy, S.B.E. Project report, 2004
29-May-1990A digital correlation receiver for the GEETEE radio telescope.Udaya Shankar, N.; Ravi Shankar, T.S.Journal of Astrophysics and Astronomy, 1990, Vol. 11, p297-310.
2009Digital correlation recievers for radio telescopesUdaya Shankar, N.; Girish, B.S.M.Sc Project report, 2009
Mar-2015A digital receiver for the Murchison Widefield arrayPrabu, T.; Srivani, K.S.; Kamini, P.A.; Madhavi, S.; Deshpande, A.A.; Udaya Shankar, N.; Subrahmanyan, Ravi; Gopalakrishna, M.R.; Kumar, Deepak; +45 Co-authorsExperimental Astronomy, 2015, Vol. 39, p73-93
15-Jun-2015Empirical covariance modeling for 21 cm power spectrum estimation: A method demonstration and new limits from early Murchison widefiel array 128-tile dataDillon, Joshua S.; Neben, Abraham R; Hewitt, Jacqueline N; Udaya Shankar, N.; Subrahmanyan, Ravi; Deshpande, A.A.; Prabu, T.; Srivani, K.S.; Paul, S.; +35 Co-authorsPhysical Review D, 2015, Vol.91, p 123011
1-Feb-2013The EoR sensitivity of the Murchison widefield arrayBeardsley, A. P.; Hazelton, B.J.; Morales, M.F.; Deshpande, A.A.; Prabu, T.; Roshi, Anish D.; Udaya Shankar, N.; Srivani, K.S.; Subrahmanyan, Ravi; +30 Co-authorsMonthly Notices of the Royal Astronomical Society Letters , 2013, Vol. 429, L5-L9
Feb-2005An estimation of the plasma parameters in the solar corona using quasi-periodic metric type III radio burst emissionRamesh, R.; Satya Narayanan, A.; Kathiravan, C.; Sastry, Ch.V.; Udaya Shankar, N.Astronomy and Astrophysics, 2005, Vol.431, p353-357
Nov-2012Fast holographic deconvolution: a new technique for Precision radio interferometrySullivan, I.S.; Morales, M.F.; Hazelton, B.J.; Deshpande, A.A.; Prabu, T.; Roshi, Anish D.; Udaya Shankar, N.; Srivani, K.S.; Subrahmanyan, Ravi; +40 Co-authorsThe Astrophysical Journal, 2012, 759, 17,
21-Aug-2016First Limits on the 21 cm Power Spectrum during the Epoch of X-ray heatingEwall-Wice, A.; Dillon, Joshua S.; Offringa, A.R.; Saurabh, Paul; Prabu, T.; Udaya Shankar, N.; Sethi, S.K.; Srivani, K.S.; Subrahmanyan, Ravi; +55 Co-authorsMonthly Notices of the Royal Astronomical Society, 2016, Vol. 460, p 4320-4347
21-Nov-2014The First Murchison Widefield Array low-frequency radio observations of cluster scale non-thermal emission: the case of Abell 3667Hindson, L.; Johnston-Hollitt, M.; Dwarakanath, K.S.; Deshpande, A.A.; Prabu, T.; Udaya Shankar, N.; Srivani, K.S.; Subrahmanyan, Ravi; +30 Co-authorsMonthly Notices of the Royal Astronomical Society, 2014, Vol. 445, p330-346
20-Aug-2017First Results on the Epoch of Reionization from First Light with SARAS 2Singh, Saurabh; Subrahmanyan, Ravi; Udaya Shankar, N.; Sathyanarayana Rao, Mayuri; Fialkov, Anastasia; Cohen, Aviad; Girish, B.S.; Raghunathan, A.; Somashekar, R.; Srivani, K.S.Astrophysical Journal Letters , 2017, Vol.845, L12
10-Dec-2016First Season MWA EoR Power spectrum Results at Redshift 7Beardsley, A. P.; Udaya Shankar, N.; Sethi, S.K.; Srivani, K.S.; Subrahmanyan, Ravi; +65 Co-authorsThe Astrophysical Journal, 2016, Vol.833, p102
20-Feb-2011First spectroscopic imaging observations of the sun at low radio frequencies with the Murchison widefield array prototypeOberoi, Divya; Matthews, Lynn D.; Cairns, Iver H; Emrich, D.; Prabu, T.; Vedantham, Harish; Gopalakrishna, M.R.; Madhavi, S.; Roshi, Anish D.; Udaya Shankar, N.; Srivani, K.S.; Kamini, P.A.; Subrahmanyan, Ravi; +56 Co-authorsAstrophysical Journal Letters, 2011, Vol.728, pL27
Apr-2021A Floating Octave Bandwidth Cone-Disk Antenna for Detection of Cosmic DawnRaghunathan, A; Subrahmanyan, Ravi; Udaya Shankar, N.; Singh, Saurabh; Nambissan, Jishnu; Kavitha, K; Mahesh, Nivedita; Somashekar, R.; Sindhu, Gaddam; Girish, B.S.; Srivani, K.S.; Rao, Mayuri S.IEEE Transactions on antennas and propagation, 2021, Vo. 69, p6209-6217
1-May-2015Foregrounds in wide-field redshifted 21 cm power spectraThyagarajan, Nithyanandan; Paul, Sourabh; Prabu, T.; Udaya Shankar, N.; Sethi, S.K.; Srivani, K.S.; Subrahmanyan, Ravi; +25 Co-authorsAstrophysical Journal, 2015, Vol. 804, p 14
2002Full resolution deconvolved images from the Mauritius radio telescopePandey, V.N.; Oozeer, N.; Udaya Shankar, N.; Somanah, R.Bulletin of the Astronomical Society of India, 2002, Vol.30, p773-774