Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Lue CH"'
Autor:
Lue Chen, Haitao Li, Fei Fan, Haijun Man, Jing Kong, Qianqian Han, Songtao Han, Weitao Lu, Mei Wang, Jinsong Ping
Publikováno v:
Space: Science & Technology, Vol 4 (2024)
In view of the requirements of Tianwen-1 missions on precision orbit determination and scientific application, this paper proposes a high-precision open-loop velocity measurement method based on ground-based radio. At first, relying on space–ground
Externí odkaz:
https://doaj.org/article/1bb2f587b0234c6daf34c3a1d50c0985
Publikováno v:
Sensors, Vol 24, Iss 3, p 822 (2024)
The remarkably long distances covered by deep space probes result in extremely weak downlink signals, which poses great challenges for ground measurement systems. In the current climate, improving the comprehensive utilization of downlink signal powe
Externí odkaz:
https://doaj.org/article/f95f3cc557e0432e89ab07e18c949b92
Autor:
Min Liu, Lue Chen, Nianchuan Jian, Peng Guo, Jing Kong, Mei Wang, Qianqian Han, Jinsong Ping, Mengjie Wu
Publikováno v:
Remote Sensing, Vol 15, Iss 23, p 5506 (2023)
The radio occultation method, one of the methods used to provide planetary atmospheric profiles with high vertical resolution, was applied to China’s first Mars mission, Tianwen-1. We carried out observations based on the Chinese Deep Space Network
Externí odkaz:
https://doaj.org/article/a5171b8d8de94bc1bdb8ed712368ab66
Publikováno v:
Frontiers in Psychiatry, Vol 13 (2023)
BackgroundStudies on the association of homocysteine level with poststroke depression (PSD) have yielded conflicting results. This systematic review and meta-analysis aimed to evaluate the elevated homocysteine level at the acute stage of ischemic st
Externí odkaz:
https://doaj.org/article/d401b242473448698e217f6a4c405566
Publikováno v:
BMC Immunology, Vol 23, Iss 1, Pp 1-9 (2022)
Abstract Background Oxidative stress plays a critical role on the processes of sepsis, and several microRNAs have been identified that may regulate the occurrence of oxidative stress. However, the relation between oxidative stress-related microRNA 27
Externí odkaz:
https://doaj.org/article/b92ba4c2ba824d70886e766f897ded3a
Publikováno v:
Frontiers in Public Health, Vol 10 (2022)
BackgroundStudies have shown that lymphocyte dysfunction can occur during the early stages of sepsis and that cell dysfunction is associated with mitochondrial dysfunction. Therefore, quantifying the mitochondrial function of lymphocytes in patients
Externí odkaz:
https://doaj.org/article/c8d946b8b17749dea56c81d9826816fb
Publikováno v:
Sensors, Vol 22, Iss 19, p 7364 (2022)
Deep space exploration navigation requires high accuracy of the Doppler measurement, which is equivalent to a frequency estimation problem. Because of the fence effect and spectrum leakage, the frequency estimation performances, which is based on the
Externí odkaz:
https://doaj.org/article/5d235edad9784f89836b24deba77643b
Autor:
Songtao Han, Haijun Man, Mei Wang, Zhijin Zhou, Jianfeng Cao, Wei Gao, Lue Chen, Jinsong Ping
Publikováno v:
Remote Sensing, Vol 14, Iss 16, p 4117 (2022)
Delta-Differential One-Way Ranging (DeltaDOR) is widely used in deep spacecraft navigation, and cross support could enhance navigation accuracy with more interferometry baselines and longer baseline. In China Mars mission Tianwen-1, formal joint cros
Externí odkaz:
https://doaj.org/article/99a5bbc1ea03448eaef9acd32657f721
Autor:
Xiong Hu, Xiaocheng Wu, Shuli Song, Maoli Ma, Weili Zhou, Qingchen Xu, Lei Li, Cunying Xiao, Xie Li, Chi Wang, Qinghui Liu, Lue Chen, Guangming Chen, Jianfeng Cao, Mei Wang, Peijia Li, Zhanghu Chu, Bo Xia, Junfeng Yang, Cui Tu, Dan Liu, Simin Zhang, Quan Zhang, Zheng Li
Publikováno v:
Remote Sensing, Vol 14, Iss 11, p 2718 (2022)
The radio-occultation technique can provide vertical profiles of planetary ionospheric and atmospheric parameters, which merit the planetary-climate and space-weather scientific research so far. The Tianwen-1 one-way single-frequency radio-occultatio
Externí odkaz:
https://doaj.org/article/14bd4b80d2b44741820b76b0bb67e3a4
Publikováno v:
Sensors, Vol 22, Iss 5, p 1707 (2022)
The feature of a space-based infrared signal is that the intensity of clutter is much stronger than that of an aerial target. Such a feature poses a great challenge to aerial target detection since the existing infrared target detection methods are p
Externí odkaz:
https://doaj.org/article/eaa559db86e345e9a6c03827ebddace9