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首页> 外文期刊>IEEE Transactions on Geoscience and Remote Sensing >Electromagnetic properties of dry and water saturated basalt rock, 1-110 GHz
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Electromagnetic properties of dry and water saturated basalt rock, 1-110 GHz

机译：干燥和水饱和玄武岩的电磁特性，1-110 GHz

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摘要

This paper reports on the measured electromagnetic properties of dry and water saturated basalt rock over a frequency range of 1-110 GHz. Tests were conducted in standard waveguides below 12 GHz and with free-space systems above 12 GHz. The basalt used in this investigation was found to be nonmagnetic. Measured relative permittivities for the dry basalt varied from approximately (8.19,-0.71) at 1.12 GHz to (6.80,-0.49) at 110 GHz. The porosity of the basalt was determined to be roughly 10%. Properties of water saturated basalt were also measured at several frequencies and compared to theoretical predictions based on a simple Maxwell-Garnett mixing theory. Finally, the potential of using microwave tomography on basalt rock was examined based on the resulting properties.
机译：本文报告了在1-110 GHz频率范围内测得的干燥和水饱和玄武岩电磁性能。测试是在12 GHz以下的标准波导中以及12 GHz以上的自由空间系统中进行的。发现用于该研究的玄武岩是非磁性的。实测干玄武岩的相对介电常数从1.12 GHz时的大约（8.19，-0.71）到110 GHz时的（6.80，-0.49）不等。玄武岩的孔隙率经测定约为10％。还在几个频率下测量了水饱和玄武岩的性质，并与基于简单麦克斯韦-加纳特混合理论的理论预测值进行了比较。最后，根据所得特性，研究了在玄武岩上使用微波层析成像的潜力。

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