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要评价地物的微波辐射特征、散射特性和选择传感器的最佳波段,必须了解它们的介电性质的变化规律。岩石和土壤是分布最广的地物,研究其介电特性是微波遥感的一项重要内容。一、矿物、岩石、土壤的微波介电特征在三公分波段,利用谐振腔微扰法对近200种矿物,260多个岩石和150多个土壤样品的微波复介电常数(ε)的实部(ε′)和虚部(ε″)进行了系统的测量和研究,部分结果列于表1。
To evaluate the characteristics of microwave radiation characteristics, scattering characteristics and the selection of the best sensor band, we must understand their dielectric properties of the law of change. Rocks and soils are the most widely distributed features, and studying their dielectric properties is an important part of microwave remote sensing. Microwave dielectric characteristics of minerals, rocks and soils In the three centimeter band, the microwave complex permittivity (ε) of nearly 200 minerals, more than 260 rocks and more than 150 soil samples (Ε ’) and imaginary part (ε ") were systematically measured and studied. Some of the results are shown in Table 1.