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| Author | : United States. National Telecommunications and Information Administration |
| Publisher | : U.S. Government Printing Office |
| Total Pages | : 984 |
| Release | : 1995 |
| Genre | : Law |
| ISBN | : |
| Author | : M. Desaintfuscien |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 222 |
| Release | : 2007-05-24 |
| Genre | : Technology & Engineering |
| ISBN | : 3540488782 |
Physical processes, involving atomic phenomena, allow more and more precise time and frequency measurements. This progress is not possible without convenient processing of the respective raw data. This book describes the data processing at various levels: design of the time and frequency references, characterization of the time and frequency references, and applications involving precise time and/or frequency references.
| Author | : Y. Jade Morton |
| Publisher | : John Wiley & Sons |
| Total Pages | : 1170 |
| Release | : 2021-01-13 |
| Genre | : Science |
| ISBN | : 1119458412 |
Covers the latest developments in PNT technologies, including integrated satellite navigation, sensor systems, and civil applications Featuring sixty-four chapters that are divided into six parts, this two-volume work provides comprehensive coverage of the state-of-the-art in satellite-based position, navigation, and timing (PNT) technologies and civilian applications. It also examines alternative navigation technologies based on other signals-of-opportunity and sensors and offers a comprehensive treatment on integrated PNT systems for consumer and commercial applications. Volume 1 of Position, Navigation, and Timing Technologies in the 21st Century: Integrated Satellite Navigation, Sensor Systems, and Civil Applications contains three parts and focuses on the satellite navigation systems, technologies, and engineering and scientific applications. It starts with a historical perspective of GPS development and other related PNT development. Current global and regional navigation satellite systems (GNSS and RNSS), their inter-operability, signal quality monitoring, satellite orbit and time synchronization, and ground- and satellite-based augmentation systems are examined. Recent progresses in satellite navigation receiver technologies and challenges for operations in multipath-rich urban environment, in handling spoofing and interference, and in ensuring PNT integrity are addressed. A section on satellite navigation for engineering and scientific applications finishes off the volume. Volume 2 of Position, Navigation, and Timing Technologies in the 21st Century: Integrated Satellite Navigation, Sensor Systems, and Civil Applications consists of three parts and addresses PNT using alternative signals and sensors and integrated PNT technologies for consumer and commercial applications. It looks at PNT using various radio signals-of-opportunity, atomic clock, optical, laser, magnetic field, celestial, MEMS and inertial sensors, as well as the concept of navigation from Low-Earth Orbiting (LEO) satellites. GNSS-INS integration, neuroscience of navigation, and animal navigation are also covered. The volume finishes off with a collection of work on contemporary PNT applications such as survey and mobile mapping, precision agriculture, wearable systems, automated driving, train control, commercial unmanned aircraft systems, aviation, and navigation in the unique Arctic environment. In addition, this text: Serves as a complete reference and handbook for professionals and students interested in the broad range of PNT subjects Includes chapters that focus on the latest developments in GNSS and other navigation sensors, techniques, and applications Illustrates interconnecting relationships between various types of technologies in order to assure more protected, tough, and accurate PNT Position, Navigation, and Timing Technologies in the 21st Century: Integrated Satellite Navigation, Sensor Systems, and Civil Applications will appeal to all industry professionals, researchers, and academics involved with the science, engineering, and applications of position, navigation, and timing technologies. pnt21book.com
| Author | : John R. Szuch |
| Publisher | : |
| Total Pages | : 52 |
| Release | : 1970 |
| Genre | : Airplanes |
| ISBN | : |
The analysis of data obtained from sweep-frequency testing of the 585 turbojet combustor is discussed.Bode plots of the response of combustor pressure to sinusoidal disturbances in fuelspray- nozzle pressure are presented for a range of fuel flows. An analog simulation was developed and used to match the experimental data and to identify the combustion dynamics. The effects of primary or burning-zone fuel-to-air ratio on the system response were also investigated. The experimental data were fit by linear transfer function forms to be used in overall system studies.
| Author | : Mark Davies |
| Publisher | : Routledge |
| Total Pages | : 369 |
| Release | : 2013-08-21 |
| Genre | : Foreign Language Study |
| ISBN | : 1134008937 |
First published in 2010 . Routledge is an imprint of Taylor & Francis, an informa company.
| Author | : National Research Council |
| Publisher | : National Academies Press |
| Total Pages | : 132 |
| Release | : 1999-04-28 |
| Genre | : Science |
| ISBN | : 0309173124 |
Sacramento, California, has grown literally at the edge of the Sacramento and American Rivers and for 150 years has struggled to protect itself from periodic floods by employing structural and land management measures. Much of the population lives behind levees, and most of the city's downtown business and government area is vulnerable to flooding. A major flood in 1986 served as impetus for efforts by federal, state, and local entities to identify an acceptable and feasible set of measures to increase Sacramento's level of safety from American River floods. Numerous options were identified in 1991 by the U.S. Army Corps of Engineers (USACE) in a report known as the American River Watershed Investigation. Due to the controversial nature of many of the alternatives identified in that report, study participants were not able to reach consensus on any of the flood control options. In response, the Congress directed the USACE to reevaluate available flood control options and, at the same time, asked the USACE to engage the National Research Council (NRC) as an independent advisor on these difficult studies. In 1995 NRC's Committee on Flood Control Alternatives in the American River Basin issued Flood Risk Management and the American River Basin: An Evaluation. This report outlined an approach for improving the selection of a flood risk reduction strategy from the many available.
| Author | : Sun-Hee Lee |
| Publisher | : Routledge |
| Total Pages | : 887 |
| Release | : 2016-08-05 |
| Genre | : Foreign Language Study |
| ISBN | : 1317201272 |
A Frequency Dictionary of Korean is an invaluable tool for all learners of Korean, providing a list of the 5000 most frequently used words in the language. Based on the Sejong National Corpora, the largest written and spoken corpora in Korean comprised of 10 million words collected from different genres, the Dictionary provides the user with detailed information for each of the entries, including illustrative examples and English translations. The Dictionary provides a rich resource for language teaching and curriculum design, while a separate CD version provides the full text in a tab-delimited format ideally suited for use by corpus and computational linguists. With entries arranged both by frequency and alphabetically, A Frequency Dictionary of Korean enables students of all levels to get the most out of their study of vocabulary in an engaging and efficient way.
| Author | : Richard Xiao |
| Publisher | : Routledge |
| Total Pages | : 985 |
| Release | : 2015-06-18 |
| Genre | : Foreign Language Study |
| ISBN | : 1134049870 |
A Frequency Dictionary of Mandarin Chinese is an invaluable tool for all learners of Mandarin Chinese, providing a list of the 5,000 words and the 2,000 Chinese characters (simplified) most commonly used in the language. Based on a fifty-million-word corpus composed of spoken, fiction, non-fiction and news texts in current use, the dictionary provides the user with a detailed frequency-based list, as well as alphabetical and part-of-speech indexes. All entries in the frequency list feature the English equivalent and a sample sentence with English translation. The Dictionary also contains thirty thematically organized lists of frequently used words on a variety of topics such as food, weather, travel and time expressions. A Frequency Dictionary of Mandarin Chinese enables students of all levels to maximize their study of Mandarin vocabulary in an efficient and engaging way. It is also an excellent resource for teachers of the language. A CD version is available to purchase separately. Designed for use by corpus and computational linguists it provides the full text in a format that researchers can process and turn into suitable lists for their own research work.
