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Method and apparatus to evaluate dielectrically-anisotropic materials using analysis of multiple microwave signals in different planes of polarization
Method and apparatus to evaluate dielectrically-anisotropic materials using analysis of multiple microwave signals in different planes of polarization
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机译:通过分析不同极化平面中的多个微波信号评估介电各向异性材料的方法和装置
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摘要
An apparatus for evaluating dielectrically-artisotropic materials comprising a plurality of microwave transmitters with more than two planes of polarization, and a plurality of microwave receivers with differing planes of polarization, wherein each transmitter includes a modulator modulating the transmitted microwave beam, the transmitters and receivers arranged, relative to a workpiece to be measured, so as to cooperate in communication therebetween, and wherein connected to each receiver is a device to identify the received amplitude and phase of a component of the transmitted microwave beam, and wherein connected to each receiver is a processor for analyzing the received signals to take more than two measurements including measuring the principal axes, attenuations and phase shifts of the received microwave beam.
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