Apparatus for determining physical parameters in an object...

Details Apparatus for determining physical parameters in an object... Apparatus for determining physical parameters in an object...

2006-05-09

2006-05-09

Williams, Hezron (Department: 2856)

Measuring and testing

Vibration

By mechanical waves

Reexamination Certificate

active

07040168

ABSTRACT:
The present invention relates to an apparatus for determining a dielectric function in an object. The apparatus includes one transmit antenna for transmitting microwave radiation through the object, and one receive antenna for receiving the transmitted microwave radiation, one ultrasound transmitter for emitting ultrasound radiation through the object to generate a density variation in the object, means to analyse the microwave radiation transmitted through the density variation to determine the acousto-electric interaction in the object, and a device to calculate the dielectric function in the object from the acousto-electric interaction. The invention also relates to a method for determining the dielectric function in an object.

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Derwent Publications Ltd., London, GB; 1984-068151 & SU1019312 A (DAVY-I) DAVYDOV NV. (May 23, 1984).
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Ultrasonics 2003, IEEE Symposium, Oct. 5-8, 2003, Title “Ultrasonic Thermal Imaging of Microwave Absorption”, Y. Shi et al.

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