Results 201 to 210 of about 3,049 (262)

Reconfigurable plasma antennas

Indian Journal of Science and Technology, 2012
openaire   +2 more sources

Ferroelectric modulated visual devices with spatial and temporal polarization‐sensitivity for information recognition and processing in visibility‐degraded environments

InfoMat, EarlyView.
Conventional imaging systems often struggle to recognize objects accurately in challenging environments such as underwater or foggy scenes. We developed a polarization‐sensitive artificial vision device inspired by the mantis shrimp that uses advanced two‐dimensional materials and a ferroelectric layer to directly sense, process, and retain visual ...
Zhaoying Dang, Yifei Zhao, Feng Guo, Tao Yu, Hengrui Guo, Jialin Li, Qilong Cui, Qing Li, Jianhua Hao   +8 more
wiley   +1 more source

2-Bit reconfigurable microstrip antenna with independently controlled hybrid slots for polarization and frequency switching. [PDF]

Sci Rep
Lee DH, Han J, Park DJ, Pyo S.
europepmc   +1 more source

X-Shaped Dual-Band Slot Antenna with Simultaneous Pattern Diversity and Frequency Tuning. [PDF]

Sensors (Basel)
Cho Y, Sung Y.
europepmc   +1 more source

Sustainable Development Strategies for RIS-Assisted Mobile Networks. [PDF]

Sensors (Basel)
Ibrahim AH.
europepmc   +1 more source

Design and experimental validation of highly miniaturized microfluidically frequency reconfigurable self-triplexing antenna with high isolation. [PDF]

Sci Rep
Barik RK, Rajender R, Chandu DS, Koziel S, Rossi D, Szczepanski S.   +5 more
europepmc   +1 more source

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Reconfigurable MEMS Antennas

2008 NASA/ESA Conference on Adaptive Hardware and Systems, 2008
This paper reviews the work carried out in the field of reconfigurable antennas, and in specific the reconfigurable MEMS (Micro-Electro-Mechanical Systems) antennas. The application of MEMS to antennas is studied and compared with the various implementations such as pattern reconfigurable MEMS antennas, mechanically actuated MEMS antennas, capacitive ...
Nakul Haridas, Ahmet T. Erdogan, Tughrul Arslan, Anthony J. Walton, Stewart Smith, Tom Stevenson, Camelia Dunare, Alan M. Gundlach, Jonathan G. Terry, Petros Argyrakis, Kevin Tierney, Alan J. Ross, Tony O'Hara   +12 more
openaire   +1 more source

An overview of antenna reconfiguration technologies : Overview of Reconfigurable Antenna

2019 International Conference on Information Technology and Computer Application (ITCA), 2019
All those antennas who have the ability to show modifications in their frequency, radiation pattern and polarization mode in a reversible and much-controlled way are known as reconfigurable antennas. These are different from other good antennas since their mechanism of reconfiguration is located inside the antenna, and reconfigured in real time ...
Shuting Zhang, Qingsheng Zeng, Yuqiu Shang, Yong Wu   +3 more
openaire   +1 more source

Reconfigurable Antennas

2016
This chapter provides an overview of the demands in today's technologies and how reconfigurability contributes in a significant manner. After reviewing the mechanisms underlying the reconfigurability aspect of the antennas and identifying the challenges, the chapter provides all current techniques that are used to reconfigure the antenna parameters for
Christos D. Nikolopoulos, Anargyros T. Baklezos, Christos N. Capsalis   +2 more
openaire   +1 more source