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地球与行星物理

ISSN  2096-3955

CN  10-1502/P

Citation: Zhou, B., Shen, S. X., Lu, W., Liu, Q., Tang, C. J., Li, S. D., and Fang, G. Y. (2020). The Mars rover subsurface penetrating radar onboard China's Mars 2020 mission. Earth Planet. Phys., 4(4), 345–354doi: 10.26464/epp2020054

2020, 4(4): 345-354. doi: 10.26464/epp2020054

PLANETARY SCIENCES

The Mars rover subsurface penetrating radar onboard China's Mars 2020 mission

1. 

Key Laboratory of Electromagnetic Radiation and Detection Technology, Chinese Academy of Sciences, Beijing 100190, China

2. 

Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, China

Corresponding author: Bin Zhou, zhb@mail.ie.ac.cn

Received Date: 2020-05-26
Web Publishing Date: 2020-07-31

China's Mars probe, named Tianwen-1, including an orbiter and a landing rover, will be launched during the July-August 2020 Mars launch windows. Selected to be among the rover payloads is a Subsurface Penetrating Radar module (RoSPR). The main scientific objective of the RoSPR is to characterize the thickness and sub-layer distribution of the Martian soil. The RoSPR consists of two channels. The low frequency channel of the RoSPR will penetrate the Martian soil to depths of 10 to 100 m with a resolution of a few meters. The higher frequency channel will penetrate to a depth of 3 to 10 m with a resolution of a few centimeters. This paper describes the design of the instrument and some results of field experiments.

Key words: SPR, Mars, Rover, LFM, subsurface, China's Mars 2020

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The Mars rover subsurface penetrating radar onboard China's Mars 2020 mission

Bin Zhou, ShaoXiang Shen, Wei Lu, Qing Liu, ChuanJun Tang, ShiDong Li, GuangYou Fang