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Key Technologies of Very Low Frequency Radio Observations on the Lunar Far-Side
- JI Yicai1,2, ZHAO Bo1, FANG Guangyou1,2, PING Jinsong3, WU Weiren4, NING Yuanming4, LU Wei1,2, ZHOU Bin1
Author information
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1. Key Laboratory of Electromagnetic Radiation and Sensing Technology，Institute of Electronics, Chinese Academy of Sciences，Beijing 100190，China;
2. University of Chinese Academy of Sciences，Beijing 100049，China;
3. National Astronomical Observatories，Chinese Academy of Sciences，Beijing 100012，China;
4. Lunar Exploration and Space Program Center，Beijing 100037，China
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History
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| Received |
Revised |
| 13 Mar 2017 |
28 Mar 2017 |
| Issue Date |
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| 08 Jun 2022 |
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The Moon has a large size，which can effectively block the low-frequency electromagnetic interference from the Earth，so the lunar far-side is the best place for low-frequency radio astronomical observation. In this paper，the significance of using a very low frequency radio spectrometer（VLFRS）for the low frequency radio astronomical observation on the back of the moon is discussed. And the goals，as well as the basic principles，design，composition and achievements of the VLFRS are described. Finally，experiments on the radiation spectrum of low frequency electromagnetic wave in Zhongguancun area，Beijing are analyzed. The results show that the low frequency radio signals in the 0.1~40MHz band, which are emitted by the radio stations and the time-service centers, can be clearly detected by the VLFRS.
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