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Titolo:
Microwave diversity imaging using six-port reflectometer
Autore:
Lu, HC; Chu, TH;
Indirizzi:
Natl Taiwan Univ, Dept Elect Engn, Taipei 10764, Taiwan Natl Taiwan Univ Taipei Taiwan 10764 pt Elect Engn, Taipei 10764, Taiwan
Titolo Testata:
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
fascicolo: 1, volume: 47, anno: 1999,
pagine: 84 - 87
SICI:
0018-9480(199901)47:1<84:MDIUSR>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
IDENTITY;
Keywords:
microwave diversity imaging; six-port reflectometer;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
11
Recensione:
Indirizzi per estratti:
Indirizzo: Lu, HC Natl Taiwan Univ, Dept Elect Engn, Taipei 10764, Taiwan Natl TaiwanUniv Taipei Taiwan 10764 t Engn, Taipei 10764, Taiwan
Citazione:
H.C. Lu e T.H. Chu, "Microwave diversity imaging using six-port reflectometer", IEEE MICR T, 47(1), 1999, pp. 84-87

Abstract

A microwave diversity imaging system conventionally uses a vector network analyzer (VNA) to directly measure the object scattered field (amplitude and phase) over a selected frequency range and viewing angles, then reconstructs the scattering object characteristic function through two-dimensional Fourier inversion. In this paper, we present a cost-effective microwave diversity imaging system using a six-port reflectometer, which measures four amplitude (or power) values to acquire the object scattered field indirectly:One can then eliminate the coherent detectors in a VNA. The calibration procedure for this microwave diversity imaging measurement is also described. Experimental results of three types of scattering objects, a metallic cylinder, four distributed line scatterers, and a 72:1 scaled B-52 aircraft model, are presented using the described six-port microwave imaging system.

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Documento generato il 19/01/20 alle ore 06:24:09