A Staring Tracking Measurement Method of Resident Space Objects Based on the Star Tacker

T Xu, X Yang, Z Fu, M Wu, S Gao - Photonics, 2023 - mdpi.com
Measuring resident space objects (RSOs) by star trackers has become a research hotspot in
space situational awareness. However, the arc length measured by star trackers is too short …

Effect of Observation Geometry on Short-Arc Angles-Only Initial Orbit Determination

Z Feng, C Yan, Y Qiao, A Xu, H Wang - Applied Sciences, 2022 - mdpi.com
Space-based optical sensors are attracting increasing research attention as they can
measure the angle of space targets over large areas, facilitating low-cost, wide-area space …

Initial orbit determination method for low earth orbit objects using too-short arc based on bistatic radar

J Qu, D Chen, H Cao, T Fu, S Zhang - IEEE Access, 2022 - ieeexplore.ieee.org
The problem of initial orbit determination (IOD) for Low Earth Orbit (LEO) objects using
bistatic radar too-short arc (TSA) observations is addressed. For TSA observations, the …

[HTML][HTML] An analytical initial orbit determination method using two observations from a bistatic radar

J Qu, T Fu, D Chen, H Cao, S Zhang - Advances in Space Research, 2022 - Elsevier
An analytical initial orbit determination (IOD) method using two observations from a bistatic
radar is proposed. Each observation contains bistatic range and the doppler frequency shift …

An initial orbit determination method using single-site very short arc radar observations

S Zhang, T Fu, D Chen, S Ding… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
A new initial orbit determination (IOD) method using single-site very short arc radar
observations is proposed. The method uses slant range, azimuth, and elevation angles to …

Neural Network–Assisted Initial Orbit Determination Method for Libration Point Orbits

X Zhou, X Li, Z Zhang - Journal of Aerospace Engineering, 2024 - ascelibrary.org
Classic initial orbit determination (IOD) methods are mainly based on the hypothesis of
unperturbed Keplerian motion and are inapplicable for Libration point orbits (LPOs). To this …

Positioning Error Estimation Method for Short-Arc Angles-Only Initial Orbit Determination

Z Feng, C Yan, C Wu, Y Qiao - Journal of Guidance, Control, and …, 2024 - arc.aiaa.org
The development of space surveillance capabilities has received increased emphasis with
time. Suitable evaluation parameters are investigated to analyze the effects of multiple …

One-Shot Initial Orbit Determination in Low-Earth Orbit

R Ferreira, M Guimarães, F Valdeira… - 2024 IEEE Aerospace …, 2024 - ieeexplore.ieee.org
Due to the importance of satellites for society and the exponential increase in the number of
objects in orbit, whether they are space debris or functional satellites, it is important to …

A novel simultaneous calibration and localization algorithm framework for indoor scenarios

S Li, Z Deng, Y Liu, E Hu - IEEE Access, 2020 - ieeexplore.ieee.org
Under the navigational process of simultaneous beacon-calibrating and target-positioning,
the real-time positioning and calibrating accuracy in indoor scenarios is significantly limited …

موقعیت‌یابی غیرفعال ماهواره با استفاده از داده‌های فقط زاویه‌ای سمت-ارتفاع

هادی نژاد, امیری - فصلنامه علمی-پژوهشی فرماندهی و کنترل, 2021‎ - ic4i-journal.ir
شناسایی و ردیابی غیرفعال یکی از ابزارهای مهم در تعیین موقعیت پنهانی اهداف و کنترل عملکرد
آنها می باشد که امروزه این فناوری به سرعت در حال گسترش است. حسگرهای غیرفعال مانند دوربین …