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- Title
A W‐band long‐slot array antenna with two‐dimensional beam‐scanning capability.
- Authors
Ma, Tianye; Xu, Kai‐Da; Deng, Ye; Zhang, Jinping; Sun, Hongbin
- Abstract
A low‐cost W‐band leaky‐wave antenna with two‐dimensional scanning capability is presented. By using the low‐loss transversal long‐slot array structure with a single‐layer parabolic reflector, the antenna realizes a passband from 85 to 102.8 GHz with Voltage Standing Wave Ratio <2. This antenna has a backward radiation direction, which changes with frequency in one dimension, and with the feeding wave front direction in the other dimension. The maximum sidelobe is measured to be −14.2 dB, 5 dB lower compared to the previous‐published longitudinal long‐slot array. A low‐cost, low‐loss, low‐profile design is provided for W‐band 2‐D beam scanning, with backward scanning capability, which is easy to fabricate and could be used for high‐solution sensing and point‐to‐point communications.
- Subjects
ANTENNA arrays; ANTENNAS (Electronics); PARABOLIC reflectors; SLOT antenna arrays; STANDING waves; SLOT antennas; LEAKY-wave antennas
- Publication
IET Microwaves, Antennas & Propagation (Wiley-Blackwell), 2024, Vol 18, Issue 4, p231
- ISSN
1751-8725
- Publication type
Article
- DOI
10.1049/mia2.12435