A Design Proposal Using Coherently Radiating Periodic Structures (CORPSs) for 2-D Phased Arrays of Limited Scanning

被引：0
|
作者：
Calvillo, Gilberto [1 ]
Panduro, Marco A. [1 ]
Juarez, Elizvan [1 ]
Reyna, Alberto [2 ]
del Rio, Carlos [3 ]
机构：
[1] CICESE Res Ctr, Dept Elect & Telecommun, Carretera Ensenada Tijuana 3918, Ensenada 22860, Mexico
[2] Autonomous Univ Tamaulipas UAMR R, Elect & Elect Engn Dept, Reynosa 88710, Mexico
[3] Univ Publ Navarra, Elect Elect & Commun Engn, Pamplona 31006, Spain
来源：
APPLIED SCIENCES-BASEL | 2024年 / 14卷 / 18期
关键词：
2-D phased array; scanning; CORPS; phase shifters; ANTENNA-ARRAYS; REDUCED NUMBER; SUBARRAYS;
D O I：
10.3390/app14188409
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
New configurations of 2-D phased arrays are proposed in this paper for reducing the number of phase shifters. This design methodology is based on the use of a novel coherently radiating periodic structures (CORPSs) block for 2-D phased arrays. Two new antenna systems for 2-D phased arrays are studied and analyzed utilizing the CORPSs blocks of four inputs and nine outputs. These CORPSs feeding blocks are applied in a smart way to feed the planar antenna arrays by generating the required phase plane and reducing the number of control ports. Interesting results are provided based on the experimental measurements and full-wave simulations. These results illustrate a great reduction of the active devices (phase shifters), providing a good design compromise in terms of the scanning range and side lobe level performance. Furthermore, the provided results illustrate a maximum reduction capability in the number of phase shifters of 81%, considering a scanning range of +/- 30 degrees in azimuth and +/- 30 degrees in elevation. A raised cosine distribution is applied to reach side lobe levels of -19 dB for +/- 18 degrees and -17 dB for +/- 30 degrees in elevation. These benefits could be of interest to designers of phased antenna systems.
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页数：20
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