Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Yanxi Yang"'
Publikováno v:
ACS Omega, Vol 9, Iss 22, Pp 23584-23596 (2024)
Externí odkaz:
https://doaj.org/article/f7746d3cdc434f38bcde4ca72df84177
Publikováno v:
International Journal of Advanced Robotic Systems, Vol 21 (2024)
Unmanned aerial vehicle (UAV) mainly uses GPS (Global Positioning System) for positioning, but it is difficult to locate in areas where GPS signal is missing or being disturbed. Therefore, the relative positioning technology based on visual method is
Externí odkaz:
https://doaj.org/article/f6bbe817150a4cd9a7591b426d251917
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-8 (2024)
Abstract Phase-to-height mapping is one of the important processes in three dimensional phase measurement profilometry. But, in traditional phase-to-height mapping method, the measurement accuracy is affected by device attitude, so it needs saving a
Externí odkaz:
https://doaj.org/article/ee65f96c61c94fafb1ee79ceec3f3061
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 5, Pp 1-7 (2023)
The complementary Gray code double N-step phase shift method is widely used because of its high detection accuracy and good robustness. However, phase unwrapping methods have the problem of low detection efficiency. In order to solve above problem, t
Externí odkaz:
https://doaj.org/article/86660308b54746038e587a4141daeac2
Publikováno v:
IEEE Access, Vol 11, Pp 15174-15183 (2023)
The diagnostic study on single-fault with distinguishing features based on monitoring data analysis is mature and fruitful in recent years. However, the early fault signals collected by practical monitoring systems often possess the following charact
Externí odkaz:
https://doaj.org/article/c085d63afcb94090b44a2e35f3fd1004
Publikováno v:
Mathematical Biosciences and Engineering, Vol 20, Iss 3, Pp 5223-5242 (2023)
As an indispensable part of large Computer Numerical Control machine tool, rolling bearing faults diagnosis is particularly important. However, due to the imbalanced distribution and partially missing of collected monitoring data, such diagnostic iss
Externí odkaz:
https://doaj.org/article/5ed7066866694b48b7306c0786b324f4
Publikováno v:
IET Radar, Sonar & Navigation, Vol 17, Iss 1, Pp 27-37 (2023)
Abstract Cycle slip detection and repair is one of the key factors of Global Navigation Satellite System carrier phase high precision positioning. Although various methods have been proposed to detect and repair the cycle slip, they are still limited
Externí odkaz:
https://doaj.org/article/437f1730b11047c2a5892df9d97d5948
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-15 (2021)
Abstract High dynamic range 3-D shape measurement is a challenge. In this work, we propose a novel method to solve the 3-D shape reconstruction of high-reflection and colored surfaces. First, we propose a method to establish a fast pixel-level mappin
Externí odkaz:
https://doaj.org/article/37c15b335d754a7b8883aea9a0a3e397
Publikováno v:
IEEE Photonics Journal, Vol 13, Iss 1, Pp 1-15 (2021)
For dynamic three-dimensional (3-D) surface reconstruction of continuously deformed objects, an efficient method employing one fringe pattern is proposed. First, a two-dimensional wavelet transform profilometry (2-D WTP) employing an improved cost fu
Externí odkaz:
https://doaj.org/article/30a09f9cfe1244d589f025284d135856
Publikováno v:
IEEE Photonics Journal, Vol 12, Iss 4, Pp 1-14 (2020)
Multi-fringe projection profilometry, such as the widely used phase-shifting and temporal phase unwrapping algorithms, can achieve high accuracy and robustness in three-dimensional shape reconstruction of static objects. However, the motion of the ob
Externí odkaz:
https://doaj.org/article/2346b0eaa243452b99afe950bdbe9ae6