Antenna characteristics and structural mechanics analysis of interplanetary scintillation monitor*

doi:10.7523/j.ucas.2025.041

Abstract

Abstract: The interplanetary scintillation(IPS) monitor receives time varying signal from radio sources through multiple stations correlation. It observes the flux of the radio sources through solar wind and coronal mass ejections from a large view angle in multiple perspectives, and the density and velocity of the interplanetary solar wind could be calculated through the observed data. The dynamic phenomena also track the position and range of the interplanetary coronal mass ejections. The main station of this monitor has three movable parabolic cylindrical antennas, each one is 140 meters long from north to south and 40 meters wide from east to west. The antenna pattern and the panel deformation values of the parabolic cylindrical antenna at different elevation angles and ambient temperatures are simulated and calculated. The variance of the gain is ±0.5dB between deformation and without deformation, which verifies the feasibility of the design.

Key words: interplanetary scintillation monitor, parabolic cylindrical antenna, structural mechanics, finite element

CLC Number:

P111.44

LI Sha, GENG Jingchao, YAN Yihua, WU Zhicai, WANG Wei, ZHOU Zhichao, CHEN Zhijun. Antenna characteristics and structural mechanics analysis of interplanetary scintillation monitor^*[J]. Journal of University of Chinese Academy of Sciences, DOI: 10.7523/j.ucas.2025.041.

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Antenna characteristics and structural mechanics analysis of interplanetary scintillation monitor^*

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