Back to Search
Start Over
Phase controllable FSR design and its application into a high-gain transmitarray antenna with a low radar cross-section.
- Source :
-
Journal of Physics D: Applied Physics . 12/22/2022, Vol. 55, p1-7. 7p. - Publication Year :
- 2022
-
Abstract
- In this study, a high-gain transmitarray antenna (TAA) is proposed to achieve a low radar cross-section (RCS) with polarization-insensitive characteristic. Initially, an anisotropic frequency selective rasorber (FSR) structure is constructed by a detailed analysis of the current distributions and parameter adjustments. Hence, manipulations of absorption and transmission are achieved, along with covering a transmission phase cycle by rotating the element at 90°. Then, employing a phase-controllable FSR and focal length optimization, a low-RCS and high-gain TAA is presented. For the radiation case, the proposed antenna has a pencil pattern with a peak gain of 21.8 dBi. The F / D ratio is low when a wide-beam feed is utilized. At scattering state, in-band and out-of-band 6 dB RCS reductions are realized ranging from 7.6 to 10.4 GHz and 11.6â€"12.4 GHz compared to the reference TA. Moreover, its bistatic RCS is reduced in approximately ±90° of angular space under normal incidence. The effectiveness of the proposed design is verified by experiments. [ABSTRACT FROM AUTHOR]
- Subjects :
- *RADAR antennas
*ANTENNAS (Electronics)
*FOCAL length
*CURRENT distribution
*RADAR
Subjects
Details
- Language :
- English
- ISSN :
- 00223727
- Volume :
- 55
- Database :
- Academic Search Index
- Journal :
- Journal of Physics D: Applied Physics
- Publication Type :
- Academic Journal
- Accession number :
- 160170281
- Full Text :
- https://doi.org/10.1088/1361-6463/ac9c11