Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Guohua Kang"'
Publikováno v:
Aerospace, Vol 11, Iss 7, p 510 (2024)
In large-scale satellite constellations, the efficiency of inter-satellite communication is paramount. Traditional topology control strategies, such as the Manhattan configuration, provide stable links but can result in indirect communication paths,
Externí odkaz:
https://doaj.org/article/dd9dc345580045e299eb9548fa3bb300
Publikováno v:
Aerospace, Vol 11, Iss 7, p 526 (2024)
To address the limitations of inadequate real-time performance and robustness encountered in estimating the pose of non-cooperative spacecraft during on-orbit missions, a novel method of feature point distribution selection learning is proposed. This
Externí odkaz:
https://doaj.org/article/d1954ecada904a9fb924a1a593b8a304
Autor:
Ting Jin, Guohua Kang, Jian Cai, Shaoxia Jia, Jinghua Yang, Xinghua Zhang, Zhenhua Zhang, Long Li, Fangfang Liu
Publikováno v:
Aerospace, Vol 10, Iss 6, p 530 (2023)
The low-frequency disturbances transmitted by flexible cables are difficult to be attenuated for a novel disturbance-free payload spacecraft, which decreases the payload’s pointing accuracy and stability. In this research, a new spacecraft configur
Externí odkaz:
https://doaj.org/article/195df07ba81246cb8e3a1144a5a4e239
Publikováno v:
Aerospace, Vol 10, Iss 6, p 561 (2023)
To address the problem that the black coating for spacecraft optical stealth easily falls off, this study constructs a light-absorbing spacecraft surface based on a micro/nanostructure through imitating a natural light-trapping structure. In this pap
Externí odkaz:
https://doaj.org/article/0aac9af4ec654aa3bd8a5cc8bde52a90
Publikováno v:
Applied Sciences, Vol 13, Iss 11, p 6674 (2023)
To perform indicator selection and verification for the on-orbit fault reconstruction of a giant satellite swarm, a hybrid multi-objective fault reconstruction algorithm is proposed and then verified by Monte Carlo analysis. First, according to the o
Externí odkaz:
https://doaj.org/article/3650993a0c63438c92d3b220597934df
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 14, Pp 1619-1627 (2021)
When the interferometric global navigation satellite system reflectometry (iGNSS-R) altimeter receives the direct and reflected signals through the digital multibeam phased array antenna, the roll-off of element radiation pattern will cause the scann
Externí odkaz:
https://doaj.org/article/568cb6429f564355beaadd575494fe01
Publikováno v:
PLoS ONE, Vol 17, Iss 12, p e0278724 (2022)
A demodulation method for tunable diode laser absorption spectroscopy (TDLAS) second harmonic based on the Hilbert transform is proposed in this paper. The second harmonic of the TDLAS signal can be easily obtained without a reference signal. The TDL
Externí odkaz:
https://doaj.org/article/78d0e77e92064d11a92ed13c7620f4ec
Publikováno v:
PLoS ONE, Vol 17, Iss 1 (2022)
Considering the issue of noise reduction associated with Laser Doppler Interference (LDI) signal, the paper presented a correlation coefficient local capping robust empirical mode decomposition (REMD) filter algorithm for LDI laser sensor that enable
Externí odkaz:
https://doaj.org/article/6badd2fdca0f4237b8572d40e3706d67
Publikováno v:
Frontiers in Earth Science, Vol 9 (2021)
The altimetric quality and the along-track spatial resolution are the critical parameters to characterize the performance of interferometric global navigation satellite systems reflectometry (iGNSS-R) sea surface altimetry, which is closely related t
Externí odkaz:
https://doaj.org/article/45a09af04d4242a4ad004a8e6a5b3b48
Autor:
Ting Jin, Guohua Kang, Jian Cai, Shaoxia Jia, Jinghua Yang, Xinghua Zhang, Zhenhua Zhang, Long Li, Fangfang Liu
Publikováno v:
Aerospace, Vol 9, Iss 10, p 571 (2022)
For a novel disturbance-free payload (DFP) spacecraft, it is difficult to isolate the low-frequency disturbances owing to the umbilical cables, which decreases the pointing accuracy and stability of the payload. In this research, an improved DFP spac
Externí odkaz:
https://doaj.org/article/cb0f693dc5614320a2f1cf866f415b19