Principle and results of microwave diversity imaging of conducting objects using multisource illumination

C.-H. Tseng; T.-H. Chu

Principle and results of microwave diversity imaging of conducting objects using multisource illumination

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Principle and results of microwave diversity imaging of conducting objects using multisource illumination

Author(s): C.-H. Tseng and T.-H. Chu
DOI: 10.1049/ip-map:20040179

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Author(s): C.-H. Tseng ¹ and T.-H. Chu ¹
- Affiliations: 1: Graduate Institute of Communication Engineering, National Taiwan University, Taipei, R.O.C.
Source: Volume 151, Issue 2, April 2004, p. 149 – 155
DOI: 10.1049/ip-map:20040179 , Print ISSN 1350-2417, Online ISSN 1359-706X

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The principle, measurement system, calibration and experimental results of microwave diversity imaging of conducting objects in a multisource illumination arrangement are presented. Theoretical analysis is developed under multiple plane wave illumination and physical optics approximation. The measurement system and calibration procedure are implemented based on plane wave spectrum analysis. Reconstructed images of four different types of conducting objects, including continuous shape and discrete line objects, measured in the frequency range 7.5–12.5 GHz, are shown in good agreement with the scattering object geometries. The experimental results demonstrate that the developed microwave imaging system is an effective approach to yield microwave images of scattering objects with a wide aspect angle.

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Principle and results of microwave diversity imaging of conducting objects using multisource illumination

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