## Abstract In this paper, we describe a fixed‐beam broadband planar antenna array at millimeter‐wave frequencies. The antenna is fed by waveguide‐feed and microstrip‐feed networks. In order to ensure fixed beams and a broad bandwidth, a subarray concept is introduced. For efficient coupling, a nov
✦ LIBER ✦
A millimeter-wave cassegrain antenna using shaped beam waveguide feed
✍ Scribed by Norio Miyahara; Yutaka Shimawaki; Shigeru Makino; Masato Ishiguro
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 394 KB
- Volume
- 84
- Category
- Article
- ISSN
- 8756-6621
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## Abstract This paper presents a broadband millimeter‐wave planar‐array antenna that uses a slot pair and crossing conductive bar. The antenna is fed by a waveguide feed network in the E‐plane to reduce the feed‐line loss and a microstrip‐feed network in the H‐plane in order to decrease fabricatio