Results 21 to 30 of about 89,960 (192)
Remote Sensing, 2021 Precise point positioning with ambiguity resolution (PPP-AR) based on multiple global navigation satellite system (multi-GNSS) constellations is an important high-precision positioning tool.
Songfeng Yang +3 more
doaj +1 more source
Improved Knight method based on narrowed search space for instantaneous GPS attitude determination [PDF]
, 2005 The Knight algorithm can instantaneously resolve integer ambiguities and significantly improve search speed by skipping over most less-likely integer ambiguity candidates.
Grenfell, R, Li, Y, Zhang, K
core +1 more source
Integer Ambiguity Search Technique Using SeparatedGaussian Variables [PDF]
International Journal of Aeronautical and Space Sciences, 2004 Real-Time Kinematic GPS positioning is widely used for many applications. Resolving ambiguities is the key to precise positioning. Integer ambiguity resolution is the process of resolving the unknown cycle ambiguities of double difference carrier phase data as integers. Two important issues of resolving are efficiency and reliability.
Do-Yoon Kim, Jae-Gyu Jang, Chang-Don Kee
openaire +1 more source
Navigation, 2023 Carrier phase signals are considered among the key observations in global navigation satellite systems (GNSSs) and several other high-precision interferometric measurement systems.
A. Khodabandeh, P.J.G. Teunissen
doaj +1 more source
MIMO Radar Ambiguity Properties and Optimization Using Frequency-Hopping Waveforms [PDF]
, 2008 The concept of multiple-input multiple-output (MIMO) radars has drawn considerable attention recently. Unlike the traditional single-input multiple-output (SIMO) radar which emits coherent waveforms to form a focused beam, the MIMO radar can transmit ...
Chen, Chun-Yang, Vaidyanathan, P. P.
core +2 more sources
A Simulation Study on Triple Frequency Ambiguity Resolution for Reference Stations Using Different Strategy Regarding Elevation angles [PDF]
E3S Web of Conferences, 2019 This paper proposes an ambiguity resolution method using triple frequency for reference stations. Using the reference coordinate information, geometry based ambiguity resolution performance is analysed. Although orbit errors and tropospheric model errors
Yu Sun-Kyoung +3 more
doaj +1 more source
A method of improving ambiguity fixing rate for post-processing kinematic GNSS data
Satellite Navigation, 2020 Global Navigation Satellite System precise positioning using carrier phase measurements requires reliable ambiguity resolution. It is challenging to obtain continuous precise positions with a high ambiguity fixing rate under a wide range of dynamic ...
Xiaohong Zhang, Yuxi Zhang, Feng Zhu
doaj +1 more source
Geo-spatial Information Science, 2021 Precise point positioning with ambiguity resolution (PPP-AR) is a powerful tool for geodetic and time-constrained applications that require high precision.
Omer Faruk Atiz +4 more
doaj +1 more source
GNSS Precise Relative Positioning Using A Priori Relative Position in a GNSS Harsh Environment
Sensors, 2021 To enable Global Navigation Satellite System (GNSS)-based precise relative positioning, real-time kinematic (RTK) systems have been widely used.
Euiho Kim
doaj +1 more source
Once more on the Witten index of 3d supersymmetric YM-CS theory [PDF]
, 2012 The problem of counting the vacuum states in the supersymmetric 3d Yang-Mills-Chern-Simons theory is reconsidered. We resolve the controversy between its original calculation by Witten at large volumes and the calculation based on the evaluation of the ...
A Smilga +32 more
core +4 more sources