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| Author | : Brian J. Bohenek (2LT, USAF.) |
| Publisher | : |
| Total Pages | : |
| Release | : 1994 |
| Genre | : Global Positioning System |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 246 |
| Release | : 1994 |
| Genre | : |
| ISBN | : |
For the U.S. Air Force to maintain an accurate and reliable Navigation Reference System (NRS) with Carrier-Phase Global Positioning System (CPGPS) measurements, it must develop an accurate and robust NRS in the face of cycle slips caused by highly dynamic maneuvers. This research investigates the implementation of a double differencing between receivers/satellites scheme to improve the accuracy of current NRS models. The removal of the 'perfect Doppler velocity aiding measurements' (a very poor assumption of past research) was completed with stable and accurate results. The double differencing implemented showed improvement in the accuracy of the NRS. An investigation of two Failure Detection, Isolation, and Recovery (FDIR) algorithms for large cycle slip failures is conducted. The two FDIR techniques are the Chi-Square test and a Multiple Model Adaptive Estimator (MMAE). The FDIR results show that a Chi-Square test as a stand-alone algorithm can work accurately for detection and isolation of failures with an accurate and reliable recovery algorithm. The MMAE algorithm as conjectured seems to be the best FDIR technique to handle single and multiple cycle slips accurately and reliably.
| Author | : |
| Publisher | : |
| Total Pages | : 424 |
| Release | : 1995 |
| Genre | : Military research |
| ISBN | : |
| Author | : Jiadong Sun |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 679 |
| Release | : 2012-04-05 |
| Genre | : Technology & Engineering |
| ISBN | : 3642291864 |
Proceedings of the 3rd China Satellite Navigation Conference (CSNC2012) presents selected research papers from CSNC2012, held on 15-19 May in Guanzhou, China. These papers discuss the technologies and applications of the Global Navigation Satellite System (GNSS), and the latest progress made in the China BeiDou system especially. They are divided into 9 topics to match the corresponding sessions in CSNC2012, which broadly covered key topics in GNSS. Readers can learn about the BeiDou system and keep abreast of the latest advances in GNSS techniques and applications. SUN Jiadong is the Chief Designer of the Compass/BeiDou system, and the Academician of Chinese Academy of Sciences; LIU Jingnan is a professor at Wuhan University, and the Academician of Chinese Academy of Engineering; YANG Yuanxi is a professor at China National Administration of GNSS and Applications, and the Academician of Chinese Academy of Sciences; FAN Shiwei is a researcher on satellite navigation.
| Author | : |
| Publisher | : |
| Total Pages | : 604 |
| Release | : 1995 |
| Genre | : Astrionics |
| ISBN | : |
| Author | : Jiadong Sun |
| Publisher | : Springer |
| Total Pages | : 985 |
| Release | : 2017-05-02 |
| Genre | : Technology & Engineering |
| ISBN | : 9811045887 |
These proceedings present selected research papers from CSNC2017, held during 23th-25th May in Shanghai, China. The theme of CSNC2017 is Positioning, Connecting All. These papers discuss the technologies and applications of the Global Navigation Satellite System (GNSS), and the latest progress made in the China BeiDou System (BDS) especially. They are divided into 12 topics to match the corresponding sessions in CSNC2017, which broadly covered key topics in GNSS. Readers can learn about the BDS and keep abreast of the latest advances in GNSS techniques and applications.
| Author | : Hongwei Bian |
| Publisher | : Springer Nature |
| Total Pages | : 295 |
| Release | : |
| Genre | : |
| ISBN | : 9819956366 |
| Author | : Attilio Di Nisio |
| Publisher | : MDPI |
| Total Pages | : 224 |
| Release | : 2020-11-13 |
| Genre | : Technology & Engineering |
| ISBN | : 3039284061 |
This Special Issue is devoted to recent developments in instrumentation and measurement techniques applied to the marine field. ¶The sea is the medium that has allowed people to travel from one continent to another using vessels, even today despite the use of aircraft. It has also been acting as a great reservoir and source of food for all living beings. However, for many generations, it served as a landfill for depositing conventional and nuclear wastes, especially in its deep seabeds, and we are assisting in a race to exploit minerals and resources, different from foods, encompassed in it. Its health is a great challenge for the survival of all humanity since it is one of the most important environmental components targeted by global warming. ¶ As everyone may know, measuring is a step that generates substantial knowledge about a phenomenon or an asset, which is the basis for proposing correct solutions and making proper decisions. However, measurements in the sea environment pose unique difficulties and opportunities, which is made clear from the research results presented in this Special Issue.
| Author | : |
| Publisher | : |
| Total Pages | : 702 |
| Release | : 1995 |
| Genre | : Aeronautics |
| ISBN | : |
| Author | : Tom Logsdon |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 350 |
| Release | : 2013-03-14 |
| Genre | : Science |
| ISBN | : 1475769016 |
The Navstar Global Positioning System (GPS) is being financed by military dollars, but the precise navigation signals it broadcasts are available free of charge to anyone, anywhere. Over the next ten years sponsors of Navstar navigation will be investing an estimated.
