Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Junxiang Lian"'
Publikováno v:
Sensors, Vol 23, Iss 15, p 6766 (2023)
Space-borne gravitational wave detection satellite confronts many uncertain perturbations, such as solar pressure, dilute atmospheric drag, etc. To realize an ultra-static and ultra-stable inertial benchmark achieved by a test-mass (TM) being free to
Externí odkaz:
https://doaj.org/article/f4f42a7c143d43469cfd13cedae97ef8
Publikováno v:
IEEE Access, Vol 6, Pp 31703-31714 (2018)
Gravity gradient plays an important role in many fields of science, and many methods are used to achieve the measurement of it. To improve measurement accuracy, various error analyses have been conducted in previous studies about positioning and orie
Externí odkaz:
https://doaj.org/article/801e4af7a2f644f6a514a2c70569b97d
Publikováno v:
Sensors, Vol 21, Iss 8, p 2647 (2021)
In order to detect gravitational waves and characterise their sources, three laser links were constructed with three identical satellites, such that interferometric measurements for scientific experiments can be carried out. The attitude of the space
Externí odkaz:
https://doaj.org/article/1d9b30f11fc641519ca21c6ac31135b8
Publikováno v:
Sensors, Vol 15, Iss 3, Pp 5895-5913 (2015)
Skylight polarization provides a significant navigation cue for certain polarization-sensitive animals. However, the precision of the angle of polarization (AOP) of skylight for vehicle orientation is not clear. An evaluation of AOP must be performed
Externí odkaz:
https://doaj.org/article/a893ae53a4284be1bdd257e90a44dfb6
Publikováno v:
Sensors, Vol 14, Iss 9, Pp 17068-17088 (2014)
Navigation plays a vital role in our daily life. As traditional and commonly used navigation technologies, Inertial Navigation System (INS) and Global Navigation Satellite System (GNSS) can provide accurate location information, but suffer from the a
Externí odkaz:
https://doaj.org/article/9f5daa9fee1a443489bc89327b8f7a75
Publikováno v:
Sensors, Vol 14, Iss 8, Pp 14916-14931 (2014)
ky polarization patterns can be used both as indicators of atmospheric turbidity and as a sun compass for navigation. The objective of this study is to improve the precision of sky light polarization measurements by optimal design of the device used.
Externí odkaz:
https://doaj.org/article/c8744c9e0abd4d938b68b6b93a0cc599
Publikováno v:
International Journal of Advanced Robotic Systems, Vol 13 (2016)
Exact motion estimation is one of the major tasks in autonomous navigation. Conventional Global Positioning System-aided inertial navigation systems are able to provide accurate locations. However, they are limited when used in a Global Positioning S
Externí odkaz:
https://doaj.org/article/872d04b186d147278ea6ffb7803939ef
Publikováno v:
Sensors, Vol 12, Iss 6, Pp 8157-8175 (2012)
This paper presents an improved iterative nonlinear calibration method in the gravitational field for both low-grade and high-grade triaxial accelerometers. This calibration method assumes the probability density function of a Gaussian distribution f
Externí odkaz:
https://doaj.org/article/1b0243873d704a0bbe66d12f2da71c14
Publikováno v:
Sensors, Vol 18, Iss 3, p 883 (2018)
Compensation of gravity disturbance can improve the precision of inertial navigation, but the effect of compensation will decrease due to the accelerometer bias, and estimation of the accelerometer bias is a crucial issue in gravity disturbance compe
Externí odkaz:
https://doaj.org/article/85476bceced84247a746fa51c9db704d
Publikováno v:
Sensors, Vol 18, Iss 3, p 906 (2018)
Horizontal gravity disturbances are an important factor that affects the accuracy of inertial navigation systems in long-duration ship navigation. In this paper, from the perspective of the coordinate system and vector calculation, the effects of hor
Externí odkaz:
https://doaj.org/article/de72ed90a5324e03b11c1984869d0366