Zobrazeno 1 - 10
of 317
pro vyhledávání: '"V. V. Srinivasan"'
Publikováno v:
IEEE Transactions on Antennas and Propagation. 68:2008-2015
Performance of an axially displaced ellipse (ADE) reflector antenna with small aperture ( $\approx 33~\lambda _{0}$ ) when integrated with monopulse tracking feed is presented for the first time in this article. The results and other system design as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::087f8463783f848fde3826f0480f9db0
https://doi.org/10.1109/tap.2019.2948504
https://doi.org/10.1109/tap.2019.2948504
Publikováno v:
IEEE Transactions on Aerospace and Electronic Systems. 54:1381-1391
Reliability is one of the most important aspects for any system onboard a satellite. This paper discusses different failure conditions and a fault-tolerant design of an active spherical phased array antenna (SPAA). This SPAA is having a hemispherical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e29c5d6ecc0a2e1decc9b0b41ce9729
https://doi.org/10.1109/taes.2017.2785938
https://doi.org/10.1109/taes.2017.2785938
Autor:
D. Sivareddy, A. V. G. Subramanyam, D. V. Ramana, V. Senthil Kumar, V. V. Srinivasan, Vamsi Krishna Velidi, M. Sankaran
Publikováno v:
2018 IEEE Indian Conference on Antennas and Propogation (InCAP).
This paper presents development of a compact and a robust high performance diplexer implemented using co-axial guide at S-band. It is designed to operate at a power level of around 200 W in the frequency band from 2.02 GHz to 2.3 GHz with an insertio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d21fbda6024517f56431f2c99c00f12e
https://doi.org/10.1109/incap.2018.8770878
https://doi.org/10.1109/incap.2018.8770878
Autor:
T K Rajendran, Umang M Parikh, Raghvendra Kumar Chaudhary, V V Srinivasan, J V Narsimham, Dharvendra P. Yadav
Publikováno v:
2018 IEEE Indian Conference on Antennas and Propogation (InCAP).
Deep space mission tracking is completely different with respect to tracking spacecraft missions in low earth orbit. All interplanetary and deep space missions are having the long period ground visibility from a huge portion of the Earths surface. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6fe108931101c72424239ac7e929b37d
https://doi.org/10.1109/incap.2018.8770960
https://doi.org/10.1109/incap.2018.8770960
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 16:2780-2782
In this letter, very interesting characteristics of the element used in a spherical phased array antenna are described. From the analysis, it is deduced that the optimum pattern of the element that results in maximum array directivity is a cosine squ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::818bb3924ffaffd820fd0effcf0768d6
https://doi.org/10.1109/lawp.2017.2745541
https://doi.org/10.1109/lawp.2017.2745541
Publikováno v:
IEEE Transactions on Antennas and Propagation. 63:4783-4791
Spherical phased array antennas (SPAAs) are of particular interest for transmission of payload data of low earth orbiting (LEO) satellites to the ground stations. They can be designed to scan large part of the radiation sphere with constant directivi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a407380a05437df1d5f66ed3e6d670e
https://doi.org/10.1109/tap.2015.2479678
https://doi.org/10.1109/tap.2015.2479678
Publikováno v:
IEEE Microwave and Wireless Components Letters. 26:666-668
This letter describes the design and development of a low loss, medium power, robust Mono-Pulse Comparator (MPC) implemented in rectangular co-axial guide at S-band. It is designed to operate at a power level of around 200 W from 2.05 GHz to 2.3 GHz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f11d6babcd3170a09061f9a580a7ea5
https://doi.org/10.1109/lmwc.2016.2597186
https://doi.org/10.1109/lmwc.2016.2597186
Publikováno v:
2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM).
High Efficiency design of an array with a dual band patch using orthogonal modes is presented in the paper. TM01 and TM10 modes of a rectangular patch are used for dual band operation. Though the frequencies are far apart like 11.4 GHz for the downli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa0d35d1e6a3235a832ee89b42058837
https://doi.org/10.1109/iaim.2017.8402616
https://doi.org/10.1109/iaim.2017.8402616
Publikováno v:
2017 IEEE International Conference on Antenna Innovations & Modern Technologies for Ground, Aircraft and Satellite Applications (iAIM).
In this paper, an interesting discussion on the spherical phased array antenna (SPAA) having unequal amplitude distribution is provided. The possibility of using two different amplitude excitations and their effect on the radiation characteristics ar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cde9125b204f01bbda305e03cbcfc548
https://doi.org/10.1109/iaim.2017.8402564
https://doi.org/10.1109/iaim.2017.8402564
Publikováno v:
IEEE Transactions on Antennas and Propagation. 61:4926-4932
Monopulse tracking using multiple horns is an attractive and low-cost option for a ground station feed. In this paper, a compact design of this type of feed operating in dual band is discussed. This design uses dielectric rod elements as radiators. F
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7945aa13ec626fd68f0fe11e42ef491
https://doi.org/10.1109/tap.2013.2271312
https://doi.org/10.1109/tap.2013.2271312