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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.
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Keywords:
- X-ray pulsar navigation /
- X-ray tube /
- grid control
[1] Sheikh S I 2005 Ph. D. Dissertation (Maryland USA: University of Maryland)
[2] Shuai P, Li M, Chen S L, Huang Z 2009 Principle and Method of X ray Pulsar Navigation System (Beijing: China Astronautic Publishing House) (in Chinese) [帅平, 李明, 陈绍龙, 黄震 2009 X射线脉冲星导航系统原理与方法(北京: 中国宇航出版社)]
[3] Li J X, Ke X Z 2009 Sci. Sin. G: Pysica, Mechanica & Astronomica 39 311 (in Chinese) [李建勋, 柯熙政 2009 中国科学 G辑: 物理学, 力学, 天文学 39 311]
[4] Sheikh S I, Pines D J, Ray P S, Wood K S, Lovellette M N, Wolff M T 2004 Proceedings of 14th AAS/AIAA Space Flight Mechanics Conference Maui, HI, February 8-12, 2004 p105
[5] Hu H J, Zhao B S, Sheng L Z, Yan Q R 2011 Acta Phys. Sin. 60 029701 (in Chinese) [胡慧君, 赵宝升, 盛立志, 鄢秋荣 2011 60 029701]
[6] Zheng W, Sun S M, Tang G J 2010 1st China Satellite Navigation Conference Beijing, China, May 18-22, 2010 (in Chinese) [郑伟, 孙守明, 汤国建 2010 第一届中国卫星导航学术年会 北京, 2010 5.18–22
[7] Langmuir I 1913 Phys. Rev. 2 450
[8] Langmuir I 1923 Phys. Rev. 21 419
[9] Hua Z Y, Gu C X 1991 Electron Optics (Shanghai: Press of Fudan University) (in Chinese) [华中一, 顾昌芯 1991电子光学 (上海: 复旦大学出版社)]
[10] Hu H J, Zhao B S, Sheng L Z, Sai X F, Yan Q R, Chen B M, Wang P 2012 Acta Phys. Sin. 61 019701 (in Chinese) [胡慧君, 赵宝升, 盛立志, 赛小锋, 鄢秋荣, 陈宝梅, 王朋 2012 61 019701]
[11] Chen B M, Zhao B S, Hu H J, Yan Q R, Sheng L Z 2011 Chin. Opt. Lett. 9 060401
[12] Sheng L Z, Zhao B S, Hu H J, Wang P, Yan Q R, Chen B M 2011 Proc. of SPIE 8196 81961C
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[1] Sheikh S I 2005 Ph. D. Dissertation (Maryland USA: University of Maryland)
[2] Shuai P, Li M, Chen S L, Huang Z 2009 Principle and Method of X ray Pulsar Navigation System (Beijing: China Astronautic Publishing House) (in Chinese) [帅平, 李明, 陈绍龙, 黄震 2009 X射线脉冲星导航系统原理与方法(北京: 中国宇航出版社)]
[3] Li J X, Ke X Z 2009 Sci. Sin. G: Pysica, Mechanica & Astronomica 39 311 (in Chinese) [李建勋, 柯熙政 2009 中国科学 G辑: 物理学, 力学, 天文学 39 311]
[4] Sheikh S I, Pines D J, Ray P S, Wood K S, Lovellette M N, Wolff M T 2004 Proceedings of 14th AAS/AIAA Space Flight Mechanics Conference Maui, HI, February 8-12, 2004 p105
[5] Hu H J, Zhao B S, Sheng L Z, Yan Q R 2011 Acta Phys. Sin. 60 029701 (in Chinese) [胡慧君, 赵宝升, 盛立志, 鄢秋荣 2011 60 029701]
[6] Zheng W, Sun S M, Tang G J 2010 1st China Satellite Navigation Conference Beijing, China, May 18-22, 2010 (in Chinese) [郑伟, 孙守明, 汤国建 2010 第一届中国卫星导航学术年会 北京, 2010 5.18–22
[7] Langmuir I 1913 Phys. Rev. 2 450
[8] Langmuir I 1923 Phys. Rev. 21 419
[9] Hua Z Y, Gu C X 1991 Electron Optics (Shanghai: Press of Fudan University) (in Chinese) [华中一, 顾昌芯 1991电子光学 (上海: 复旦大学出版社)]
[10] Hu H J, Zhao B S, Sheng L Z, Sai X F, Yan Q R, Chen B M, Wang P 2012 Acta Phys. Sin. 61 019701 (in Chinese) [胡慧君, 赵宝升, 盛立志, 赛小锋, 鄢秋荣, 陈宝梅, 王朋 2012 61 019701]
[11] Chen B M, Zhao B S, Hu H J, Yan Q R, Sheng L Z 2011 Chin. Opt. Lett. 9 060401
[12] Sheng L Z, Zhao B S, Hu H J, Wang P, Yan Q R, Chen B M 2011 Proc. of SPIE 8196 81961C
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