中巴资源一号卫星星内粒子探测器研制回顾
doi: 10.11728/cjss2026.05.2025-0164 cstr: 32142.14.cjss.2025-0164
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邹鸿 男, 1975年11月出生于北京市, 现为北京大兴地球与空间科学学院研究员, 博士生导师, 主要研究方向为空间探测技术、地球辐射带和火星电离层研究等. E-mail: hongzou@pku.edu.cn
通讯作者:
Review of the Development of the In-Satellite Particle Detector for the China-Brazil Earth Resources Satellite-1
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摘要: 中巴资源一号01卫星星内粒子探测器是北京大学项目组研制的第一个空间粒子辐射探测载荷. 该载荷的主要功能是对卫星内部高能电子和质子的辐射环境进行监测. 本文详细介绍了星内粒子探测器的研制过程、发射和在轨运行、数据处理以及基于载荷数据发表的研究成果. 对观测结果的分析和研究表明, 星内粒子辐射探测器在轨工作正常, 性能指标满足要求, 观测结果符合预期. 中巴资源一号01卫星星内粒子探测器的成功研制开创了中国高校研制星载粒子辐射探测载荷的先河, 为北京大学空间探测载荷研制能力的提升和承担后续研制任务奠定了坚实的基础.Abstract: The In-Satellite Particle Detector onboard the China-Brazil Earth Resources Satellite-1 (CBERS-1) was the first space particle radiation detection payload developed by the project team at Peking University. The main objective of this payload was to monitor the high-energy electron and proton radiation environment inside the satellite. The payload probe consists of an electron probe and a proton probe. The electron probe is a ΔE-E telescope composed of a 100 um-thick silicon surface barrier detector and a 5000 μm-thick lithium drift detector, capable of measuring electrons ranging from 0.5 to 2.0 MeV and above 2.0 MeV, while eliminating proton contamination. The proton probe is a telescope consisting of two silicon surface barrier detectors with thicknesses of 100 μm and 450 μm respectively, capable of measuring protons ranging from 5 to 30 MeV and 30 to 60 MeV. From the task assignment in 1987 to the delivery of the flight-mode payload in 1998, the development process underwent four stages: principle-mode, electrical-mode, qualification-mode, and flight-mode, spanning over 11 years. On October 14, 1999, the CBERS-1/01 satellite was successfully launched. The In-Satellite Particle Detector was powered on three days later and successfully transmitted data, and then operated normally in orbit until the end of the satellite's lifespan. After preprocessing the payload’s data and matching it with satellite orbit information, the data suitable for scientific research was obtained. The data analysis proved that the In-Satellite Particle Detector performs well in orbit, and its observations are in accord with expectations. Based on the payload’s data, several papers on radiation belt research have been published. The successful development of the In-Satellite Particle Detector onboard CBERS-1 marks a milestone in the development of space particle detectors by Chinese universities, and lays a solid foundation for the subsequent development of space detection payloads at Peking University.
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图 2 CBERS-1/01星搭载的长征四号乙运载火箭在太原发射场等待发射
Figure 2. CZ-4 B rocket carrying the CBERS-1/01 satellite at Taiyuan launching site
表 1 CBERS-1/01星星内粒子探测器主要性能指标
Table 1. Performance of the In-Satellite Particle Detector in CBERS-1/01
性能指标 需求 电子能量范围/MeV 0.5～2.0
＞2.0质子能量范围/MeV 5～30
30～60采样间隔/s 24(一次采样) 
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