A new approach of orbit determination for LEO satellites based on optical tracking of GEO satellites

Y Hu, X Bai, L Chen, H Yan - Aerospace Science and Technology, 2019 - Elsevier
Ability of autonomous orbit determination (OD) for a satellite is receiving increasing interests
due to its considerable value in engineering application. A new OD approach for low earth …

[PDF][PDF] 基于APD 单光子探测器的光子到达时间标记精度研究

李保权, 李帆, 曹阳, 桑鹏 - ACTA PHOTONICA SINICA, 2023 - researching.cn
为了准确测量X 射线脉冲星导航中的光子到达时间, 提出了一种X 射线探测器光子到达时间精度
的测试系统, 该系统主要由脉冲X 射线发生器, 任意波形发生器, 雪崩光电二极管探测器和时间 …

INS/CNS/DNS/XNAV deep integrated navigation in a highly dynamic environment

J Hu, J Liu, Y Wang, X Ning - Aircraft Engineering and Aerospace …, 2022 - emerald.com
Purpose This study aims to address the problem of the divergence of traditional inertial
navigation system (INS)/celestial navigation system (CNS)-integrated navigation for ballistic …

In-orbit calibration and data analysis of China's first grazing incidence focusing X-ray pulsar telescope

LV Zhengxin, MEI Zhiwu, D Loulou… - 中国航天(英文 …, 2019 - zghtywbjournal.com
The grazing incidence focusing X-ray pulsar telescope (iFXPT), as the main payload of the X-
ray Pulsar Navigation Test Satellite (XPNAV-1), will have great significance on China's …

Space experiments on X-ray pulsar navigation: Progress and prospects

W ZHENG, W Yusong, K JIANG, W Yidi - Acta Aeronautica et …, 2024 - sciopen.com
As a new spacecraft autonomous navigation technology, X-ray pulsar-based Navigation
(XNAV) is one of the most promising navigation technologies for deep space exploration …

基于FPGA+ DSP 的X 射线脉冲星导航原理样机的设计与实现

李艳丽, 郑建华, 高东 - 深空探测学报(中英文), 2018 - jdse.bit.edu.cn
为了验证X 射线脉冲星导航算法在星载计算机环境下的实时性和适用性, 设计了基于FPGA+
DSP 架构的X 射线脉冲星导航原理样机, 导航原理样机中的FPGA 用于系统的逻辑控制以及光子 …

The X-ray pulsar navigation technology and recent progresses in deep space exploration

Y He, Z Mei, L Wang, J Xie, Y Shi… - … Target Recognition and …, 2020 - spiedigitallibrary.org
X-ray pulsars were used for spacecraft navigation at the beginning of the discovery as their
super stability spin periods (periodic changing rate 10-19-10-21). It is hopeful to get rid of the …

Technical development and application of China deep space exploration optical sensor(Invited)

W Li, W Fenzhi, L Xiao - Infrared and Laser Engineering, 2020 - irla.cn
Optical sensor is the key component of the navigation guidance and control system in the
deep space exploration mission, and it provides direction and location for stable operation of …

Design and imaging simulation of annular microchannel optics

J Lian, Y Su, H Liu, L Dong, Q Zhou… - AOPC 2022: Novel …, 2023 - spiedigitallibrary.org
A new lens composed of countless annular micron channels was designed, which can not
only achieves high focusing efficiency but also meets the needs of lightweight and …

Research on the effects of charge transfer efficiency on X-ray energy spectra taken with CCDs

R Liu, J Wang, L Dong - 2019 International Conference on …, 2020 - spiedigitallibrary.org
The incident low-energy X-ray photon which interacts with CCD detector can produce
photoelectric effect and generate photoelectrons [1]. Under the ideal condition, the number …