Ground experiments and performance evaluation of the Low-Frequency Radio Spectrometer onboard the lander of Chang’e-4 mission

The Low-Frequency Radio Spectrometer (LFRS) is a scientific payload onboard the Chang’e-4 lunar lander launched in December 2018. The LFRS provides in-situ measurements of the low-frequency radio phenomena on the far-side of theMoon for the first time in human history. To evaluate the performance of...

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Bibliographic Details
Published in:Research in astronomy and astrophysics 2021-06, Vol.21 (5), p.116-142
Main Authors: Zhu, Xin-Ying, Su, Yan, Ji, Yi-Cai, Zhang, Hong-Bo, Zhao, Bo, Li, Jun-duo, Dai, Shun, Xue, Xi-Ping, Li, Chun-Lai
Format: Article
Language:English
Subjects:
Electromagnetic interference
Experiments
LF radio
Lunar surface vehicles
Mitigation
Moon: far-side
Performance evaluation
space vehicles: instruments
techniques: spectroscopic
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Summary:The Low-Frequency Radio Spectrometer (LFRS) is a scientific payload onboard the Chang’e-4 lunar lander launched in December 2018. The LFRS provides in-situ measurements of the low-frequency radio phenomena on the far-side of theMoon for the first time in human history. To evaluate the performance of the LFRS, a series of ground experiments are conducted using an engineering model of the LFRS. It is not easy to perform the experiments because the Electro Magnetic Interference (EMI) from the Chang’e- 4 lunar lander itself and the environment is very intense. The results after EMI mitigation show that the sensitivity of the LFRS may be 10 −18 W m −2 Hz −1 .
ISSN:1674-4527
DOI:10.1088/1674-4527/21/5/116