Volume 39 Issue 6
Nov.  2019
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Article Navigation >  Chinese Journal of Space Science  > 2019  >  39(6): 764-769
CAI Bing, XU Qingchen, HU Xiong. Initial Results of Meteor Observations with Langfang MF Radar[J]. Chinese Journal of Space Science, 2019, 39(6): 764-769. doi: 10.11728/cjss2019.06.764
Citation: CAI Bing, XU Qingchen, HU Xiong. Initial Results of Meteor Observations with Langfang MF Radar[J]. Chinese Journal of Space Science, 2019, 39(6): 764-769. doi: 10.11728/cjss2019.06.764
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Initial Results of Meteor Observations with Langfang MF Radar

doi: 10.11728/cjss2019.06.764 cstr: 32142.14.cjss2019.06.764

  • 1 National Space Science Center, Chinese Academy of Sciences, Beijing 100190;

  • 2 University of Chinese Academy of Sciences, Beijing 100049

  • Received Date: 2018-09-03
  • Rev Recd Date: 2019-05-22
  • Publish Date: 2019-11-15
    Abstract
  • Medium Frequency (MF) radars can be used to develop the meteor observations over 100km during night time, and detect the distributions of hourly echo rate, height and angle of arrival. The meteor entrance speeds, meteor radiants and radial drifted velocities can also be determined. These data can be used to study meteor astronomy and middle atmosphere dynamics. The meteor observations in middle latitudes for the first time in China are developed by using of Langfang MF radar (39.4°N, 116.7°E) during 12:00UT-22:00UT on November 16, 2017. The receiving range of the echoes was set from 78km to 150km. The time and height resolutions are 2min and 2km respectively, and the pulse repetition frequency is 80Hz. As a result, totally 94 meteor echoes were obtained with the mean height of 106.5km and the majority of them were distributed from 97km to 115km. Ambipolar diffusion coefficient, angle of arrival and some relevant parameters were simultaneously analyzed using the raw data. The results of the comparison between Buckland Park MF radar meteor observations and Langfang MF radar observations show that the detections of the two radar are mostly consistent.

     

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