An equivalent method of mixed dielectric constant in passive microwave/millimeter radiometric measurement

Jinlong Su; Yan Tian; Fei Hu; Liangqi Gui; Yayun Cheng; Xiaohui Peng

doi:10.1117/12.2278199

6 October 2017 An equivalent method of mixed dielectric constant in passive microwave/millimeter radiometric measurement

Jinlong Su, Yan Tian, Fei Hu, Liangqi Gui, Yayun Cheng, Xiaohui Peng

Author Affiliations +

Proceedings Volume 10439, Millimetre Wave and Terahertz Sensors and Technology X; 104390F (2017) https://doi.org/10.1117/12.2278199
Event: SPIE Security + Defence, 2017, Warsaw, Poland

Abstract

Dielectric constant is an important role to describe the properties of matter. This paper proposes This paper proposes the concept of mixed dielectric constant(MDC) in passive microwave radiometric measurement. In addition, a MDC inversion method is come up, Ratio of Angle-Polarization Difference(RAPD) is utilized in this method. The MDC of several materials are investigated using RAPD. Brightness temperatures(TBs) which calculated by MDC and original dielectric constant are compared. Random errors are added to the simulation to test the robustness of the algorithm. Keywords: Passive detection, microwave/millimeter, radiometric measurement, ratio of angle-polarization difference (RAPD), mixed dielectric constant (MDC), brightness temperatures, remote sensing, target recognition.

Citation Download Citation

Jinlong Su, Yan Tian, Fei Hu, Liangqi Gui, Yayun Cheng, and Xiaohui Peng "An equivalent method of mixed dielectric constant in passive microwave/millimeter radiometric measurement", Proc. SPIE 10439, Millimetre Wave and Terahertz Sensors and Technology X, 104390F (6 October 2017); https://doi.org/10.1117/12.2278199

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