Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Pravin Ashok Raybole"'
Autor:
Pravin Ashok Raybole, Lalit Chaudhary, S. Sureshkumar, Sanjeet K. Rai, Shrikant Bhujbal, Ankur Ankur
Publikováno v:
2019 IEEE MTT-S International Microwave and RF Conference (IMARC).
The paper presents the Radio Frequency Interference shielded enclosure design for electrical, electronics and computer network system housed in a radio quite zone of a radio observatory. The systems equipped at the antenna needs a multiple shielding
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e29df144ce3a9998cfbe59119fe4e0e
https://doi.org/10.1109/imarc45935.2019.9118755
https://doi.org/10.1109/imarc45935.2019.9118755
Publikováno v:
2019 URSI Asia-Pacific Radio Science Conference (AP-RASC).
The Upgraded GMRT provides near seamless frequency coverage from ∼125 MHz to 1500 MHz with instantaneous bandwidths of up to 400 MHz using state of art technologies used for the front end electronics, signal processing systems, and monitor and cont
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29f73f79a72187b848ed648a88881451
https://doi.org/10.23919/ursiap-rasc.2019.8738520
https://doi.org/10.23919/ursiap-rasc.2019.8738520
Autor:
Sanjeet K. Rai, Ankur, Rahul Bomble, Satish K. Lokhande, S. Sureshkumari, Pravin Ashok Raybole
Publikováno v:
2019 URSI Asia-Pacific Radio Science Conference (AP-RASC).
This paper discusses about the DWDM based bi-directional RF over fiber link for carrying broadband radio astronomy signal from remote antennas of GMRT array without any frequency translation to central processing station located at the central array.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::472e68411129512210d4fbab78548daa
https://doi.org/10.23919/ursiap-rasc.2019.8738703
https://doi.org/10.23919/ursiap-rasc.2019.8738703
Autor:
Satish K. Lokhande, Rahul Bomble, Pravin Ashok Raybole, Ankur, Sanjeet K. Rai, S. Sureshkumar
Publikováno v:
2019 URSI Asia-Pacific Radio Science Conference (AP-RASC).
This paper discusses about broadband RF and Optical monitoring scheme for uGMRT, each antenna receives two polarizations signal, which is sent over two different wavelengths from remote antenna location without conversion to IF on a single fiber, and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b406010f60b57e4f60c28f642fbeeef
https://doi.org/10.23919/ursiap-rasc.2019.8738559
https://doi.org/10.23919/ursiap-rasc.2019.8738559
Autor:
Satish K. Lokhande, Sanjeet K. Rai, Rahul Bomble, Pravin Ashok Raybole, S. Sureshkumar, Ankur
Publikováno v:
2019 URSI Asia-Pacific Radio Science Conference (AP-RASC).
Radio Telescopes are inevitably exposed to undesirable radio frequency interference (RFI) signals from terrestrial human activity and are becoming stronger with time and with increasing population density, urbanisation and modernisation of communicat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98c567e69bf6a00885426419b6689170
https://doi.org/10.23919/ursiap-rasc.2019.8738743
https://doi.org/10.23919/ursiap-rasc.2019.8738743
Autor:
Kaushal D. Buch, Pravin Ashok Raybole, Satish K. Lokhande, M. S. de Villiers, S. Sureshkumar, Narendra Nath Patra, Arif Shaikh, Ankur Prajapati, A Ghalame, Sanjeet K. Rai, B Ajit Kumar, S Phakatkar, K. Hariharan, R Bombale, Ruta Kale, B Dixit, Nissim Kanekar, Jayaram N. Chengalur, Bhalerao, Jayanta Roy, P Hande, Bhaswati Bhattacharyya, Rohit Sharma, S Hande, Yashwant Gupta
With 30 antennas and a maximum baseline length of 25 km, the Giant Metrewave Radio Telescope (GMRT) is the premier low-frequency radio interferometer today. We have carried out a study of possible expansions of the GMRT, via adding new antennas and i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc639d8e0ca3b870b7f0b6651c6c252d
http://arxiv.org/abs/1901.00906
http://arxiv.org/abs/1901.00906
Publikováno v:
2016 Radio Frequency Interference (RFI).
A modern radio astronomy observatory needs continuous monitoring of the radio spectrum to detect and characterise the sources of RFI, and ever improving plans for mitigation against such sources. With increasing population densities, accompanied by m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c868f06aa48218b20c6947dd06b6a1dc
https://doi.org/10.1109/rfint.2016.7833545
https://doi.org/10.1109/rfint.2016.7833545
Publikováno v:
2016 Radio Frequency Interference (RFI).
Modern radio telescopes were designed for wider bandwidth to use the interference free bands for radio astronomy. Many intentional radiations are directional and line of site, pointing can be avoided to prevent receiver saturation. About 35000 Satell
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1bfca5601013d70022b3b3a0d951f4b9
https://doi.org/10.1109/rfint.2016.7833539
https://doi.org/10.1109/rfint.2016.7833539