物理学报Issue(12)：1-7,7.DOI:10.7498/aps.62.129702
X射线脉冲星导航系统模拟光源的研究*
Research of X-ray pulsar navigation simulation source∗
摘要
Abstract
As an autonomous navigation method, X-ray pulsar navigation can provide position, timing and attitude information for various spacecrafts. Since the X-rays (1–20 keV) from the pulsar can not penetrate the earth atmosphere, an X-ray source in laboratory needs to be set up to test and calibrate the detector. In this paper an arbitrary X-ray pulse source to simulate the neutron pulsar signal is proposed. The main components of the simulation source are a grid controlled X-ray tube and arbitrary pulse generation electronics. With the arbitrary pulse voltage applied to the tube grid, the X-ray intensity is controlled. Through electron optics design, the tube electrode parameters are optimized. A grid controlled X-ray tube is fabricated and tested. Using a micro-channel plate detector to detect and reconstruct the generated X-ray pulses, the similarity between the accumulated profile and the original pulsar profile is better than 95%. The frequency stability of the pulsar source emulator is about 2×10−11.关键词
脉冲星导航/X射线球管/栅极控制Key words
X-ray pulsar navigation/X-ray tube/grid control引用本文复制引用
盛立志,胡慧君,赵宝升,吴建军,周峰,宋娟,刘永安,申景诗,鄢秋荣,邓宁勤..X射线脉冲星导航系统模拟光源的研究*[J].物理学报,2013,(12):1-7,7.基金项目
国家自然科学基金(批准号:11103069)资助的课题 （批准号:11103069）
