Showing results 1 to 20 of 26
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| Issue Date | Title | Author(s) | Citation |
| 2000 | Building of the 21cm front end reciever for the gaint metrewave radio telescope | Subrahmanyan, Ravi; Raghunathan, A. | M.Sc Project report, 2000 |
| 13-May-2019 | Calculation of radiation efficiency through poynting vector and comparing it with the efficiency obtained through Radiation patterns | Raghunathan, A. | RRI-EEG Internal Technical Report |
| 2004 | Design and development of a 0.5 to 1.5 GHz low-noise cooled HEMT | Raghunathan, A.; Roy, Deepankar; Sharath, V.B. | B.E. Project report, 2004 |
| 2002 | Design and development of a broadband low noise amplifier | Raghunathan, A.; Ramani, R.; Umesh, Ramya | B.E. Project report, 2002 |
| Oct-2015 | Design of frequency independent profiled discone antenna for detecting spectral ripples from the epoch of recombination | Raghunathan, A.; Udaya Shankar, N.; Sathyanarayana Rao, Mayuri; Subrahmanyan, Ravi | Proceedings 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 |
| 20-Aug-2017 | First Results on the Epoch of Reionization from First Light with SARAS 2 | Singh, 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 |
| 13-May-2019 | Ground based disc cone antenna with ultra-smooth spectral characteristics | Raghunathan, A.; Kavitha; Jishnu. N.; N, Udaya Shankar; Subrahmanyan, Ravi | RRI-EEG Internal Technical Report |
| 2005 | Log periodic antenna for frequency independent operation | Raghunathan, A.; Teekaraman, M.; Phanish, B.M.; Sandeep, R. | B.E. Project report, 2005 |
| 2000 | A measurement of the cosmic microwave background Temperature at 1280 MHz | Raghunathan, A.; Subrahmanyan, Ravi | Journal of Astrophysics and Astronomy, 2000, Vol. 21, p1-17. |
| 2005 | Microcontroller based control and monitoring the radio telescope reciever system | Alfred, Minnie; Raghunathan, A.; Nandish, K.C.; Kishan, J. | B.E. Project report, 2005 |
| 23-Aug-2023 | My Engineering Journey at RRI | Raghunathan, A. | A Series of retirement talks at RRI |
| 2005 | A non planar trapezoidal structure for broad applications in radio astronomy | Raghunathan, A.; Udaya Shankar, N. | Bulletin of the Astronomical Society of India, 2005, Vol.33, p411 |
| Jul-2013 | An octave bandwidth frequency independent dipole antenna | Raghunathan, A.; Udaya Shankar, N.; Subrahmanyan, Ravi | IEEE Transactions on antennas and propagation, 2013, Vo. 61, p3411 |
| 28-Feb-2022 | On the detection of a cosmic dawn signal in the radio background | Singh, Saurabh; Nambissan, T. Jishnu; Subrahmanyan, Ravi; Shankar, N. Udaya; Girish, B.S.; Raghunathan, A.; Somashekar, R.; Srivani, K.S.; Mayuri Sathyanarayana, Rao | Nature Astronomy, 2022, Vol.6, p607 |
| 20-Dec-2015 | On the detection of global 21-cm signal from reionization using interferometers | Singh, Saurabh; Subrahmanyan, Ravi; Udaya Shankar, N.; Raghunathan, A. | The Astrophysical Journal, 2015, Vol.815, p88 |
| 2002 | Radio frequency interference monitoring at Gauribidanur | Raghunathan, A.; Ravishnakar, M.; Amarendra, K.V.; Ravi, M.S. | B.E. Project report, 2002 |
| 13-May-2019 | Response of spherical monopole antenna on real earth modelled as slabs of different dielectric constants and conductivities | Raghunathan, A. | RRI-EEG Internal Technical Report |
| 1-May-2018 | SARAS 2 constraints on global 21-cm signals from the Epoch of Reionization | Singh, Saurabh; Subrahmanyan, Ravi; Udaya Shankar, N.; Sathyanarayana Rao, Mayuri; Fialkov, Anastasia; Cohen, Aviad; Barkana, Rennan; Girish, B.S.; Raghunathan, A.; Somashekar, R.; Srivani, K.S. | Astrophysical Journal, 2018, Vol. 858, p54 |
| 3-Apr-2018 | SARAS 2: a spectral radiometer for probing cosmic dawn and the epoch of reionization through detection of the global 21-cm signal | Singh, Saurabh; Subrahmanyan, Ravi; Udaya Shankar, N.; Sathyanarayana Rao, Mayuri; Girish, B.S.; Raghunathan, A.; Somashekar, R.; Srivani, K.S. | Experimental Astronomy, 2018, Vol. 45, p269-314 |
| Jun-2020 | SARAS CD/EoR Radiometer: Design and Performance of the Digital Correlation Spectrometer | Girish, B.S.; Srivani, K.S.; Subrahmanyan, Ravi; Udaya Shankar, N.; Singh, Saurabh; Nambissan, T. Jishnu; Sathyanarayana Rao, Mayuri; Somashekar, R.; Raghunathan, A. | Journal of Astronomical Instrumentation, 2020, Vol.9, p2050006 |