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A study of radar cross‐section measurements in an anechoic chamber
Author(s) -
Shirai Hiroshi,
Ishikawa Takaaki,
Watanabe Yuji
Publication year - 1998
Publication title -
electrical engineering in japan
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.136
H-Index - 28
eISSN - 1520-6416
pISSN - 0424-7760
DOI - 10.1002/(sici)1520-6416(19980415)123:1<8::aid-eej2>3.0.co;2-b
Subject(s) - anechoic chamber , antenna (radio) , acoustics , radar cross section , calibration , radar , optics , noise (video) , range (aeronautics) , diffraction , cross section (physics) , physics , system of measurement , engineering , computer science , electrical engineering , telecommunications , scattering , aerospace engineering , astronomy , quantum mechanics , artificial intelligence , image (mathematics)
Abstract Radar cross‐section measurement techniques in a relatively small anechoic chamber are discussed in this paper. The proper configuration of the measurement system and antenna/target setting for securing a wide dynamic measurement range is studied. A quasi‐monostatic configuration is recommended here instead of a monostatic one, and various suggestions are made for reducing isolation error and background noise, along with calibration techniques and antenna settings. Measurement examples are shown for a conducting plate and parallel plane waveguide cavities. These results are then compared with those derived theoretically by the geometrical theory of diffraction and the Wiener‐Hopf technique. Good agreement is obtained between them, and the validity of our measurements is confirmed. © 1998 Scripta Technica, Electr Eng Jpn, 123(1): 8–14, 1998

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