NDLI: Multilayer simulations for Martian subsurface radar soundings

Content Provider	IEEE Xplore Digital Library
Author	Chao Wu Liting Rao Xiaojuan Zhang Jiancheng Shi Shiyin Liu
Copyright Year	2015
Description	Author affiliation: Cold & Arid Regions Environ. & Eng. Res. Inst., Lanzhou, China (Shiyin Liu) \|\| Key Lab. of Electromagn. Radiat. & Sensing Technol., Beijing, China (Xiaojuan Zhang) \|\| State Key Lab. of Remote Sensing Sci., Beijing Normal Univ., Beijing, China (Jiancheng Shi) \|\| Univ. of Chinese Acad. of Sci., Beijing, China (Chao Wu; Liting Rao)
Abstract	We develop a new method of multilayer simulations for interpreting accurately the real radar observations of Martian subsurface radar sounder in the insight of electromagnetic (EM) wave radiation and propagation inside the stratified mediums with multilayer rough interfaces. The multilayer radar echo simulator is developed by employing the Huygens theory, Kirchhoff approximation (KA) of rough surface scattering and the ray tracing of geometric optics (GO) theory to calculate accurately the EM scattering from real Martian topography and subsurface rough boundaries. A clear physical meaning of EM wave radiation and propagation in rough layered mediums is provided for achieving more accurate interpretations of real radar data. The presented method can be utilized to reduce effectively the strong Martian surface off-nadir clutters for discerning the weak subsurface nadir echo masked by surface clutters, which can maximize the ability for detecting the Martian deep subsurface information by improving the signal-to-clutter radio (SCR) and signal-to-noise ratio (SNR). Finally, the proposed method is utilized to test and validate the controversial hypotheses of actual Martian radar sounding data and give more accurate geological interpretations.
Starting Page	4300
Ending Page	4303
File Size	472652
Page Count	4
File Format	PDF
e-ISBN	9781479979295
DOI	10.1109/IGARSS.2015.7326777
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-26
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radar Surface topography Mars Nonhomogeneous media Rough surfaces Surface roughness Optical surface waves water ice Electromagnetic scattering geological interpretations multilayer simulations rough layered mediums
Content Type	Text
Resource Type	Article

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