Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Roger Hasse"'
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 15, Iss 12, Pp 1529-1536 (2021)
Abstract A design procedure is described which enables simultaneous control of the input‐impedance match, directivity, and bandwidth of segmented antennas. Their impedance properties can be accurately determined by a straightforward multiport analy
Externí odkaz:
https://doaj.org/article/ad9f05d483cd42e89649836f0a9cfc7f
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 15, Iss 12, Pp 1529-1536 (2021)
A design procedure is described which enables simultaneous control of the input‐impedance match, directivity, and bandwidth of segmented antennas. Their impedance properties can be accurately determined by a straightforward multiport analysis, whic
Publikováno v:
2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI).
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 15:846-849
A square loop antenna of circumference about one free-space wavelength displays an omnidirectional radiation pattern when its conductor is partitioned into five segments that are interconnected by four small capacitances. The optimization process for
Publikováno v:
2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting.
The use of monolithic radomes made of Teflon Coated Fiberglass (TSFG) for airborne K/Ka band antennas is considered in terms of mechanical and electrical performance. The range of air pressure acting on the radomes is estimated and corresponding defl
Publikováno v:
2017 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting.
A comprehensive study on radome materials for a wideband, high power millimeter wave horn antenna is undertaken in the thermal, mechanical and electromagnetic domains. The radome must thermally handle continuous high power, mechanically withstand pre
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 11:1402-1405
A planar segmented circular loop antenna is designed for operation at 5.8 GHz with omnidirectional radiation pattern. This novel printed antenna, fabricated on a low-loss substrate, is composed of alternating top- and bottom-layer conducting segments
Autor:
Roger Hasse, Darko Kajfez
Publikováno v:
2013 IEEE Antennas and Propagation Society International Symposium (APSURSI).
A segmented monopole antenna is proposed for operation at 2.44 GHz with total length of one-half wavelength. The antenna segments are interconnected by lumped reactances that are optimized to tune the monopole for either single-tuned or double-tuned
Autor:
Gregory D. Durgin, Roger Hasse, Muhammad B. Akbar, W. Hunsicker, Krishna Naishadham, Christopher R. Valenta
Publikováno v:
Proceedings of the 2012 IEEE International Symposium on Antennas and Propagation.
A novel miniaturized printed circular loop antenna with perimeter of nearly one wavelength is designed for operation with a radio-frequency identification (RFID) tag at 5.8 GHz. RFID tags and RFID-enabled sensors which operate at this frequency offer
Publikováno v:
2011 IEEE International Symposium on Antennas and Propagation (APSURSI).
A novel printed antenna configured with circular loop geometry of approximately one wavelength perimeter is designed for operation at 5.8 GHz with near omni-directional radiation pattern. The loop is partitioned into multiple segments and loaded with