Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Zain Shafiq"'
Publikováno v:
IEEE Journal of Microwaves, Vol 4, Iss 2, Pp 213-232 (2024)
A circuit-based calibration system is presented for active phased arrays. In particular, to achieve the desired (and corrected) consecutive phase differences and relative magnitudes between RF channels, a computer controlled circuit system was develo
Externí odkaz:
https://doaj.org/article/032379e35596461f93b2964b65bc03b8
Publikováno v:
Electronics Letters, Vol 59, Iss 22, Pp n/a-n/a (2023)
Abstract A self‐calibrating circuit system for use within active phased array antennas is presented. The system addresses the issue of unwanted channel phase imbalances and random phase errors which can deteriorate array performance. Basically, unw
Externí odkaz:
https://doaj.org/article/97af418fa7d345de92c347b634972230
Autor:
Dimitris E. Anagnostou, Symon K. Podilchak, Maksim Kuznetcov, Zain Shafiq, Ladislau Matekovits, Victoria Gomez-Guillamon Buendia
Publikováno v:
Kuznetcov, M, Gomez-Guillamon Buendia, V, Shafiq, Z, Matekovits, L, Anagnostou, D E & Podilchak, S 2019, ' Printed Leaky-Wave Antenna with Aperture Control using Width-Modulated Microstrip Lines and TM Surface-Wave Feeding by SIW Technology ', IEEE Antennas and Wireless Propagation Letters . https://doi.org/10.1109/LAWP.2019.2930668
IEEE Antennas and Wireless Propagation Letters
IEEE Antennas and Wireless Propagation Letters
This letter presents a width-modulated microstrip line leaky-wave antenna (LWA) with substrate-integrated waveguide and microstrip feeding. In particular, the planar antenna system consists of an integrated surface-wave launcher and three identical r
Publikováno v:
2020 9th Asia-Pacific Conference on Antennas and Propagation (APCAP).
Substrate integrated waveguide slot antenna arrays are designed and employed for monopulse radar applications at microwave and millimetre-wave frequencies. This research shows the advantages of using 2x2 MIMO-monopulse radar processing opposed to a m
Publikováno v:
2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting.
Series-fed slot arrays using substrate integrated waveguide (SIW) technology are reported in which the sum and difference patterns are steered to a desired beam angle in the far-field. Applications include radar, localization, and new target detectio
Autor:
Xingyu Zhao, David Flynn, Jennifer Lantair, Zain Shafiq, John Perry, Matthew Osborne, Valentin Robu
Publikováno v:
2019 4th International Conference on System Reliability and Safety (ICSRS).
This paper details the results of a survey on safety and reliability of commercial Unmanned Aerial Systems (UAS), issued to 1500 companies in the UK, with a 10% response rate. The results of this study concur with previous studies that commercial UAS