WANG Zhengpin; XU Tianyue; FANG Haiyan; ZHANG Zewei; HE Xiongwen; CHEN Chaoji; ZHONG Zhaofeng

doi:10.7498/aps.74.20250183

Abstract

In the context of the development of aerospace integration, the near-space aircraft is facing the challenge of autonomous navigation under the satellite denial conditions. Pulsar navigation is a promising solution, and its applicability depends on the transmission characteristics of X-rays in near-space. Firstly, in this paper the interactions between X-rays and charged ions, free electrons and other substances in the ionosphere are analyzed, and the mass attenuation coefficients of reflection, scattering and absorption to X-rays with energy of 1–100 keV are presented. Then, based on the NRLMSIS 2.1 model and IRI-2020 model, a stratified model for X-ray transmission in nearspace is established, and the transmission efficiency and flux acquisition method for 1–30 keV X-rays in 60–100 km are obtained. Finally, the variations in transmission efficiency under the conditions of different seasons, latitudes and days and nights are analyzed, and the distribution characteristics of transmission efficiency are described. Analysis results are shown below. 1) Photoelectric absorption plays a dominant role, while coherent scattering and incoherent scattering have relatively minor influence and the reflection effect is extremely weak and negligible for X-rays applicable to pulsar navigation. 2) The transmission efficiency exhibits a significant positive correlation with X-ray energy and altitude, and it usually exceeds 80% when the X-ray energy exceeds 10 keV. 3) The transmission efficiency exhibits distinct annual variation characteristics in the Arctic region and Antarctic region and subtle semi-annual variation characteristics in the equatorial region. It peaks in the winter hemisphere and reaches a minimum in the summer hemisphere, with the amplitude of its fluctuations in polar regions far exceeding that in the equatorial region. Additionally it also shows the periodic daily variations with daytime decreasing and nighttime increasing, and the amplitude of diurnal fluctuations being no more than 0.82%. The results indicate that the transmission efficiency peaks in the early morning of the Antarctic winter for 10 keV X-rays at 75 km. Taking Antarctic China Zhongshan Station for example, it can reach up to 93.57%, which means a 9.61% increase over the summer minimum of 83.96%. This study provides crucial data for supporting the applications of X-ray pulsar navigation in nearspace.

Keywords:

Authors and contacts

Corresponding author: FANG Haiyan, hyfang@xidian.edu.cn

Funds: Project supported by the Pre-research Project on Civil Aerospace Technologies by CNAS (Grant No. D040102) and the Innovation Capability Support Program of Shaanxi Province, China (Grant No. 2022TD-37).

FullText HTML

References

[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[11]
[12]
[13]
[14]
[15]
[16]
[17]
[18]
[19]
[20]
[21]
[22]
[23]
[24]
[25]
[26]
[27]
[28]
[29]
[30]
[31]
[32]
[33]
[34]
[35]
[36]
[37]
[38]
[39]
[40]
[41]
[42]
[43]
[44]
[45]
[46]
[47]
[48]
[49]
[50]
[51]
[52]
[53]
[54]
[55]
[56]
[57]
[58]
[59]
[60]
[61]
[62]
[63]
[64]
[65]

Cited By

DownLoad: Full-Size Img PowerPoint

脉冲星	B0531+21	B1821-24	B1937+21	B1509-58	B0833-45
源流量/(photons·s^–1·cm^–2)	1.54×10^–1	1.93×10^–4	4.99×10^–5	1.62×10^–2	1.60×10^–3
背景流量 /(photons·s^–1·cm^–2)	1.386	1.74×10^–3	4.5×10^–4	5.00×10^–3	5.00×10^–3

DownLoad: CSV

map

[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[11]
[12]
[13]
[14]
[15]
[16]
[17]
[18]
[19]
[20]
[21]
[22]
[23]
[24]
[25]
[26]
[27]
[28]
[29]
[30]
[31]
[32]
[33]
[34]
[35]
[36]
[37]
[38]
[39]
[40]
[41]
[42]
[43]
[44]
[45]
[46]
[47]
[48]
[49]
[50]
[51]
[52]
[53]
[54]
[55]
[56]
[57]
[58]
[59]
[60]
[61]
[62]
[63]
[64]
[65]

[1]	Chen Kang, Ma Zhi-Yuan, Zhang Ming-Ming, Dou Jian-Tai, Hu You-You. Propagation properties of partially coherent power-exponent-phase vortex beam. Acta Physica Sinica, 2022, 71(1): 014203. doi: 10.7498/aps.71.20211411
[2]	. The Propagation Characteristics of Partially Coherent Power-Exponent-Phase-Vortex Beam. Acta Physica Sinica, 2021, (): . doi: 10.7498/aps.70.20211411*
[3]	Mei Ce-Xiang, Zhang Xiao-An, Zhou Xian-Ming, Zhao Yong-Tao, Ren Jie-Ru, Wang Xing, Lei Yu, Sun Yuan-Bo, Cheng Rei, Xu Ge, Zeng Li-Xia. K-shell X-ray emission from high energy pulsed C6+ ion beam impacting on Ni target. Acta Physica Sinica, 2017, 66(14): 143401. doi: 10.7498/aps.66.143401
[4]	Hou Xing-Min, Zhang Cheng, Qiu Jin-Tao, Gu Jian-Wei, Wang Rui-Xue, Shao Tao. Properties of temporal X-ray in nanosecond-pulse discharges with a tube-to-plane gap at atmospheric pressure. Acta Physica Sinica, 2017, 66(10): 105204. doi: 10.7498/aps.66.105204
[5]	Wang Lu, Xu Lu-Ping, Zhang Hua, Luo Nan. Pulsar signal detection based on S-transform. Acta Physica Sinica, 2013, 62(13): 139702. doi: 10.7498/aps.62.139702
[6]	Fan Zhi-Qiang, Sheng Zheng, Wan Li, Shi Han-Qing, Jiang Yu. Comprehensive assessment of the accuracy of the data from near space meteorological rocket sounding. Acta Physica Sinica, 2013, 62(19): 199601. doi: 10.7498/aps.62.199601
[7]	Zhang Xiao-An, Mei Ce-Xiang, Zhao Yong-Tao, Cheng Rui, Wang Xing, Zhou Xian-Ming, Lei Yu, Sun Yuan-Bo, Xu Ge, Ren Jie-Ru. X-ray emission of C6+ pulsed ion beams of CSR impacting on Au target. Acta Physica Sinica, 2013, 62(17): 173401. doi: 10.7498/aps.62.173401
[8]	Zhou Shao-Tong, Li Jun, Huang Xian-Bin, Cai Hong-Chun, Zhang Si-Qun, Li Jing, Duan Shu-Chao, Zhou Rong-Guo. Experimental investigation of radiation charactristics of Ti wire X-pinch X-ray source on Yang accelerator. Acta Physica Sinica, 2012, 61(16): 165202. doi: 10.7498/aps.61.165202
[9]	Liu Bao-Jun, Cai Li. Analytical model of single event crosstalk in near space. Acta Physica Sinica, 2012, 61(19): 196103. doi: 10.7498/aps.61.196103
[10]	Zhang Cheng, Shao Tao, Niu Zheng, Zhang Dong-Dong, Wang Jue, Yan Ping. X-ray generation in repetitive pulsed discharge in atmospheric air with a point-to-plane gap. Acta Physica Sinica, 2012, 61(3): 035202. doi: 10.7498/aps.61.035202
[11]	Xie Qiang, Xu Lu-Ping, Zhang Hua, Luo Nan. Modeling of X-ray pulsar cumulation profile and signal identification. Acta Physica Sinica, 2012, 61(11): 119701. doi: 10.7498/aps.61.119701
[12]	Meng Zhi-Jun, Wang Li-Feng, Lü Ming-Yun, Wu Zhe. Influence of curvature on transmission properties of finite curved slot arrays. Acta Physica Sinica, 2011, 60(1): 017301. doi: 10.7498/aps.60.017301
[13]	Zhang Hua, Xu Lu-Ping. Minimum entropy cumulation method of pulsar profile. Acta Physica Sinica, 2011, 60(3): 039701. doi: 10.7498/aps.60.039701
[14]	Zhang Hua, Xu Lu-Ping, Xie Qing, Luo Nan. X-ray pulsar weak signal detection based on Bayesian estimation. Acta Physica Sinica, 2011, 60(4): 049701. doi: 10.7498/aps.60.049701
[15]	Li Jian-Xun, Ke Xi-Zheng. Period estimation method for weak pulsars based on coherent statistic of cyclostationary signal. Acta Physica Sinica, 2010, 59(11): 8304-8310. doi: 10.7498/aps.59.8304
[16]	Huang Chao-Jun, Liu Ya-Feng, Long Shu-Ming, Sun Yan-Qing, Wu Zhen-Sen. Monte Carlo simulation of transfer-characteristics of electromagnetic wave propagating in soot. Acta Physica Sinica, 2009, 58(4): 2397-2404. doi: 10.7498/aps.58.2397
[17]	Cai Ming-Hui, Han Jian-Wei, Li Xiao-Yin, Li Hong-Wei, Zhang Zhen-Li. A simulation study of the atmospheric neutron environment in near space. Acta Physica Sinica, 2009, 58(9): 6659-6664. doi: 10.7498/aps.58.6659
[18]	Zhang Yong-Peng, Liu Guo-Zhi, Shao Hao, Yang Zhan-Feng, Song Zhi-Min, Lin Yu-Zheng. Steady transmission characteristics of intense electron beams in one-dimensional drift spaces. Acta Physica Sinica, 2009, 58(10): 6973-6978. doi: 10.7498/aps.58.6973
[19]	Xie Zhen-Hua, Xu Lu-Ping, Ni Guang-Ren. Time offset measurement algorithm based on bispectrum for pulsar integrated pulse profiles. Acta Physica Sinica, 2008, 57(10): 6683-6688. doi: 10.7498/aps.57.6683
[20]	CHEN BAO-ZHEN. THEORETICAL INVESTIGATION OF X-RAY TRANSMISSION THROUGH A CYLINDER CAPILLARY. Acta Physica Sinica, 2000, 49(10): 1933-1937. doi: 10.7498/aps.49.1933

Catalog

Vol. 74, Issue 12 - 2025-06-20

Metrics

Abstract views: 400
PDF Downloads: 8
Cited By: 0

姓名
邮箱
手机号码
标题
留言内容
验证码

Search

Article

留言板

Abstract

Authors and contacts

Corresponding author: FANG Haiyan, hyfang@xidian.edu.cn

FullText HTML

References

Cited By

Catalog

Metrics

Authors

Referees

About Journal

About

Search

Article

留言板

Abstract

Authors and contacts

Corresponding author: FANG Haiyan, hyfang@xidian.edu.cn

FullText HTML

References

Cited By

Catalog

Metrics

Publishing process

Authors

Referees

About Journal

About