Passive millimeter-wave imaging model application and validation

Bradley T. Blume; David B. Chenault

doi:10.1117/12.277077

27 June 1997 Passive millimeter-wave imaging model application and validation

Bradley T. Blume, David B. Chenault

Proceedings Volume 3064, Passive Millimeter-Wave Imaging Technology; (1997) https://doi.org/10.1117/12.277077
Event: AeroSense '97, 1997, Orlando, FL, United States

Abstract

The military use of millimeter wave radiometers has been studied since the 1960's. It is only recently that advances in the technology have made passive millimeter wave (PMMW) systems practical. It is well established that metal targets will have a large contrast ratio versus the background in the millimeter wave (MMW) regime and that atmospheric propagation through clouds, fog and light rain is possible. The limitations have been the noise figures of the detectors, the size of the systems, and the cost of the systems. Through the advent of millimeter wave monolithic integrated circuits technology, MMW devices are becoming smaller, more sensitive, and less expensive. In addition many efforts are currently under way to develop PMMW array imaging devices. This renewed interest has likewise brought forth the need for passive millimeter wave system modeling capabilities. To fill this need, Nichols Research Corporation has developed for Eglin AFB a physics-based image synthesis code, capable of modeling the dominant effects in the MMW regime. This code has been developed to support the development of the next generation of PMMW seeker systems. This paper will describe the phenomenology of PMMW signatures, the Irma software, validation of the Irma models and the application of the models to both Air Force and Navy problems.

Citation Download Citation

Bradley T. Blume and David B. Chenault "Passive millimeter-wave imaging model application and validation", Proc. SPIE 3064, Passive Millimeter-Wave Imaging Technology, (27 June 1997); https://doi.org/10.1117/12.277077

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KEYWORDS

Extremely high frequency

Passive millimeter wave sensors

Reflectivity

Sensors

Radiometry

Systems modeling

Image sensors

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