标准编号：ISO 17520:2016
中文名称：空间环境（自然和人类行为） 宇宙射线和太阳高能粒子穿透内磁气圈 有效垂直截止刚度 的测定方法
英文名称：Space environment (natural and artificial) — Cosmic ray and solar energetic particle penetration inward the magnetosphere — Method of determination of the effective vertical cut-off rigidity
发布日期：2016-04
标准范围
This International Standard describes the effective vertical cut-off rigidities of charged particlesfor near-Earth space and establishes principal requirements for their calculation. In Annex A, thecalculation technique is verified using a typical example. This International Standard can be used todevelop calculation techniques based on different models of Earth’s geomagnetic field.[1] The techniquesare useful for determination of penetrating into the Earth’s magnetosphere by charged particle fluxes, aswell as for test and estimations of the impact on spacecraft and other equipment in the near-Earth space.This International Standard is valid for calculating the particle penetration by any of the componentof interplanetary charged particles (Galactic, Solar, and Anomalous) with rigidities above 0,2 GV. Themain goals of the present standardization for the determination of the effective vertical geomagneticcut-off rigidities are as follows:— provide an unambiguous procedure for calculation of the cut-off rigidities inside of the Earth’smagnetosphere reflecting dependences on geomagnetic disturbances and local time;— provide means of estimation of the impact of charged particle fluxes in interpretation and analysisof space experiments;— provide efficient calculations of the transmission functions of low-altitude orbits of spacecraft andmanned space-station;— determine impact of solar energetic particle flux on spacecraft instrumentation and astronautsusing results of independent online measurement of interplanetary particle fluxes.
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