Zobrazeno 1 - 10
of 874
pro vyhledávání: '"Satellite orbit"'
Publikováno v:
Heliyon, Vol 10, Iss 2, Pp e24265- (2024)
In the realm of satellite orbit control, powerful controller design plays a pivotal role in minimizing fuel consumption and ensuring orbit stability. This article introduces an advanced approach to the design of a Linear Quadratic Regulator (LQR) con
Externí odkaz:
https://doaj.org/article/74fe17efcb3b4903a778eec39aa7ef2d
Publikováno v:
Applied Sciences, Vol 14, Iss 9, p 3873 (2024)
The calculation of satellite orbit involves some very complex formula derivations and expansions, which are very difficult to manually derive and prone to errors. And the efficiency of manual derivation is not high. We can use computer algebra system
Externí odkaz:
https://doaj.org/article/6ec91818c512410fb2b56440a41ad179
Publikováno v:
Earth and Planetary Physics, Vol 7, Iss 1, Pp 151-160 (2023)
A future constellation of at least four geomagnetic satellites (designated Macau Scientific Satellite-1 (MSS-1) and Macau Scientific Satellite-2 (MSS-2)) was recently proposed, to continue high-quality geomagnetic observations in the post-Swarm perio
Externí odkaz:
https://doaj.org/article/d6b8fb8e4fc94efcaa5f5b4aad7a0e87
Publikováno v:
Earth and Planetary Physics, Vol 7, Iss 1, Pp 136-143 (2023)
Macau Science Satellite-1 (MSS-1) will be launched at the early of 2023 into a near-circular orbit. The mission is designed to measure the Earth’s geomagnetic field with unpreceded accuracy through a new perspective. The most important component in
Externí odkaz:
https://doaj.org/article/4535ad903c7c467a8f04e3351877a371
Publikováno v:
Actuators, Vol 13, Iss 1, p 19 (2024)
In this paper, we investigate the orbit-adjustment problem of satellite systems in the presence of nonlinear uncertainties in kinematics and dynamics. We propose a novel direct adaptive fuzzy control scheme with prescribed tracking accuracy to addres
Externí odkaz:
https://doaj.org/article/c95d37ef19ef4f14b401a3fe4a9e8fb1
Publikováno v:
Tongxin xuebao, Vol 42, Pp 144-151 (2021)
Aiming at the problem that in the current space， non-geostationary satellite orbit （NGSO） constellation systems were increasing day by day， there are more and more satellite networks nearby orbiting using the same frequency band， and the pr
Externí odkaz:
https://doaj.org/article/1b21510f475c4f34a50d0bba27f51f25
Publikováno v:
Satellite Navigation, Vol 2, Iss 1, Pp 1-11 (2021)
Abstract The Fractional Cycle Bias (FCB) product is crucial for the Ambiguity Resolution (AR) in Precise Point Positioning (PPP). Different from the traditional method using the ionospheric-free ambiguity which is formed by the Wide Lane (WL) and Nar
Externí odkaz:
https://doaj.org/article/67f5646aa73249f7b133be44606fa0d9
Publikováno v:
Sakarya University Journal of Computer and Information Sciences, Vol 4, Iss 1, Pp 73-83 (2021)
Satellite operators utilize a two-stations turn around ranging (TAR) system to reduce the ground station measurement system's complexity and cost while having the same or better orbit determination accuracy for communication satellites orbit determin
Externí odkaz:
https://doaj.org/article/a4bee0de6e294cf198cc331b8bd9c0e4
Autor:
Shilpa Manandhar, Yu Song Meng
Publikováno v:
Measurement: Sensors, Vol 18, Iss , Pp 100194- (2021)
Global Positioning System (GPS)-based frequency and time transfer has been studied for a long period of time and it has been proved to achieve precise results by successfully implementing Precise Point Positioning (PPP) algorithm. Accurate satellite
Externí odkaz:
https://doaj.org/article/b51806e0ad574e4a9d76ee75612ff7e5