Time-Space Optimization of Uniform Array Lattices for Space Debris Radars

被引：1

作者：

Siciliano, Giuseppe ^{[1
]}

Mendijur, Magdalena ^{[2
,3
]}

Besso, Piermario ^{[2
]}

Pasian, Marco ^{[1
]}

Perregrini, Luca ^{[1
]}

机构：

[1] Univ Pavia, Dept Elect Comp & Biomed Engn, Via Palestro 3, I-27100 Pavia, Italy

[2] European Space Agcy, European Space Operat Ctr, Dept Ground Stn & Operat, D-64293 Darmstadt, Germany

[3] European Maritime Safety Agcy, P-1249206 Lisbon, Portugal

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2018年 / 66卷 / 05期

关键词：

Array factor; array lattice optimization; grating lobes; phased array; space debris; surveillance radar; ANTENNA; DESIGN; HEMISPHERE; COVERAGE;

D O I：

10.1109/TAP.2018.2809659

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Surveillance radars for monitoring the low earth orbit are often based on phased arrays composed by a large number of elements. Where scalability and high transmission powers are primary requirements, uniform lattices provide a viable solution, but it is important to optimize the number of radiators, while at the same time, avoiding grating lobes. This communication provides analytical formulas to determine the array lattice geometrical parameters for a rectangular sky region free of grating lobes. Design strategies based on a time-space (4-D) representation are discussed, and an example based on the system currently under development for the European Space Agency is presented and validated using full-wave simulations.

引用

页码：2673 / 2677

页数：5

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