Synthesis of thinned planar arrays with two‐fold redundancy for microwave interferometric radiometers | Zendy

Hu Fei | Zendy; Zhu Dong | Zendy; Peng Xiaohui | Zendy; Tang Peiwen | Zendy

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Synthesis of thinned planar arrays with two‐fold redundancy for microwave interferometric radiometers

Author(s) -

Hu Fei,

Zhu Dong,

Peng Xiaohui,

Tang Peiwen

Publication year - 2018

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

eISSN - 1350-911X

pISSN - 0013-5194

DOI - 10.1049/el.2017.4825

Subject(s) - planar , redundancy (engineering) , interferometry , microwave , planar array , computer science , radiometer , fold (higher order function) , algorithm , electronic engineering , optics , physics , engineering , telecommunications , computer graphics (images) , programming language , operating system

The synthesis of thinned planar arrays with two‐fold redundancy in microwave interferometric radiometers (MIRs) is discussed. Based on (double) difference bases, a deterministic method is proposed for constructing two‐fold redundancy planar arrays (TFRPAs). The resulting TFRPAs sample the spatial frequencies at least twice within a given baseline coverage, which contributes to the reliability of MIR systems. A comparative study with two typical TFRPAs (i.e. the open‐ended ‘ Cross ’ and the closed ‘ ◻ ’ array configurations) is carried out, concerning array sampling efficiency in the spatial frequency domain. The numerical examples are presented to demonstrate the effectiveness of the proposed synthesis method.

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