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Author :
Publisher :
ISBN 13 :
Total Pages : 86 pages
Book Rating : 4.:/5 (966 download)
Download or read book Standards of Time and Frequency in U.S.A. [with List of References By] James A. Barnes and G.M.R. Winkler written by and published by . This book was released on 1974 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 1570 pages
Book Rating : 4.F/5 ( download)
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1974 with total page 1570 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James Allen Barnes
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Standards of Time and Frequency in the U.S.A. written by James Allen Barnes and published by . This book was released on 1974 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James A.. Barnes
Publisher :
ISBN 13 :
Total Pages : 91 pages
Book Rating : 4.:/5 (245 download)
Download or read book The Standards of Time and Frequency in the USA written by James A.. Barnes and published by . This book was released on 1974 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Standards of Time and Frequency in the U.S.A. written by and published by . This book was released on 1974 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James Allen Barnes
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (31 download)
Download or read book The Standards of Time and Frequency in the U.S.A. written by James Allen Barnes and published by . This book was released on 1974 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Institute for Basic Standards (U.S.). Time and Frequency Division. Boulder Laboratories
Publisher :
ISBN 13 :
Total Pages : 135 pages
Book Rating : 4.:/5 (897 download)
Download or read book THE BASIC CONCEPTS AND MANAGEMENT WITHIN THE U.S.A. OF PRECISE TIME AND FREQUENCY written by Institute for Basic Standards (U.S.). Time and Frequency Division. Boulder Laboratories and published by . This book was released on 1972 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. Kartaschoff
Publisher :
ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (65 download)
Download or read book Standard Time and Frequency Generation written by P. Kartaschoff and published by . This book was released on 1972 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: The basic properties of atomic primary frequency standards are reviewed. A continuously running frequency source combined with counting, storage, and display devices results in a clock. Time scales are obtained by setting clocks with respect to a convenient origin. The accuracy of a primary frequency standard is a combined theoretical and experimental assessment of the uncertainties of all known possible sources of bias from the idealized definition. Recommended standard measures for the stability are the spectral density of fractional frequency fluctuations (frequency domain) and the two-sample no-dead time Allan variance (time domain).
Author : Gernot M. R. Winkler
Publisher :
ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (547 download)
Download or read book The U.S. Naval Observatory Clock Time Reference and the Performance of a Sample of Atomic Clocks written by Gernot M. R. Winkler and published by . This book was released on 1970 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: The U.S. Naval Observatory (USNO) uses clock averaging of about 16 selected cesium beam clocks for the derivation of an extremely uniform clock time scale. Frequency stabilities of better than 2 x 10 to the minus 14th power for very long intervals are being achieved together with utmost reliability of the time scale. Individual clocks differ widely in their performance and are carefully selected for service in the USNO clock time scale. In this set which is selected according to frequency stability, the standard deviation of a clock's average frequency difference from the mean is 1.7 x 10 to the minus 12th power, the standard deviation of the uncorrected ensemble mean frequency is 4.4 x 10 to the minus 13th power. The day to day frequency variation of individual clocks is 2.2 x 10 to the minus 13th power (rms) and the best clock observed had a frequency stability of 3 x 10 to the minus 14th power for 40 day averaging.
Author : Rolf Müller (physicien.)
Publisher : Royal Society of Chemistry
ISBN 13 : 1849730024
Total Pages : 347 pages
Book Rating : 4.8/5 (497 download)
Download or read book Stratospheric Ozone Depletion and Climate Change written by Rolf Müller (physicien.) and published by Royal Society of Chemistry. This book was released on 2012 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, several new concepts have emerged in the field of stratospheric ozone depletion, creating a need for a concise in-depth publication covering the ozone-climate issue. This monograph fills that void in the literature and gives detailed treatment of recent advances in the field of stratospheric ozone depletion. It puts particular emphasis on the coupling between changes in the ozone layer and atmospheric change caused by a changing climate. The book, written by leading experts in the field, brings the reader the most recent research in this area and fills the gap between advanced textbooks and assessments.
Author : Mohinder S. Grewal
Publisher : John Wiley & Sons
ISBN 13 : 0470099712
Total Pages : 416 pages
Book Rating : 4.4/5 (7 download)
Download or read book Global Positioning Systems, Inertial Navigation, and Integration written by Mohinder S. Grewal and published by John Wiley & Sons. This book was released on 2007-03-05 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: An updated guide to GNSS and INS, and solutions to real-world GPS/INS problems with Kalman filtering Written by recognized authorities in the field, this second edition of a landmark work provides engineers, computer scientists, and others with a working familiarity with the theory and contemporary applications of Global Navigation Satellite Systems (GNSS), Inertial Navigational Systems (INS), and Kalman filters. Throughout, the focus is on solving real-world problems, with an emphasis on the effective use of state-of-the-art integration techniques for those systems, especially the application of Kalman filtering. To that end, the authors explore the various subtleties, common failures, and inherent limitations of the theory as it applies to real-world situations, and provide numerous detailed application examples and practice problems, including GNSS-aided INS, modeling of gyros and accelerometers, and SBAS and GBAS. Drawing upon their many years of experience with GNSS, INS, and the Kalman filter, the authors present numerous design and implementation techniques not found in other professional references. This Second Edition has been updated to include: GNSS signal integrity with SBAS Mitigation of multipath, including results Ionospheric delay estimation with Kalman filters New MATLAB programs for satellite position determination using almanac and ephemeris data and ionospheric delay calculations from single and dual frequency data New algorithms for GEO with L1 /L5 frequencies and clock steering Implementation of mechanization equations in numerically stable algorithms To enhance comprehension of the subjects covered, the authors have included software in MATLAB, demonstrating the working of the GNSS, INS, and filter algorithms. In addition to showing the Kalman filter in action, the software also demonstrates various practical aspects of finite word length arithmetic and the need for alternative algorithms to preserve result accuracy.
Author : Selma Supek
Publisher : Springer
ISBN 13 : 3642330452
Total Pages : 999 pages
Book Rating : 4.6/5 (423 download)
Download or read book Magnetoencephalography written by Selma Supek and published by Springer. This book was released on 2014-08-07 with total page 999 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetoencephalography (MEG) is an invaluable functional brain imaging technique that provides direct, real-time monitoring of neuronal activity necessary for gaining insight into dynamic cortical networks. Our intentions with this book are to cover the richness and transdisciplinary nature of the MEG field, make it more accessible to newcomers and experienced researchers and to stimulate growth in the MEG area. The book presents a comprehensive overview of MEG basics and the latest developments in methodological, empirical and clinical research, directed toward master and doctoral students, as well as researchers. There are three levels of contributions: 1) tutorials on instrumentation, measurements, modeling, and experimental design; 2) topical reviews providing extensive coverage of relevant research topics; and 3) short contributions on open, challenging issues, future developments and novel applications. The topics range from neuromagnetic measurements, signal processing and source localization techniques to dynamic functional networks underlying perception and cognition in both health and disease. Topical reviews cover, among others: development on SQUID-based and novel sensors, multi-modal integration (low field MRI and MEG; EEG and fMRI), Bayesian approaches to multi-modal integration, direct neuronal imaging, novel noise reduction methods, source-space functional analysis, decoding of brain states, dynamic brain connectivity, sensory-motor integration, MEG studies on perception and cognition, thalamocortical oscillations, fetal and neonatal MEG, pediatric MEG studies, cognitive development, clinical applications of MEG in epilepsy, pre-surgical mapping, stroke, schizophrenia, stuttering, traumatic brain injury, post-traumatic stress disorder, depression, autism, aging and neurodegeneration, MEG applications in cognitive neuropharmacology and an overview of the major open-source analysis tools.
Author : James Jespersen
Publisher : Courier Corporation
ISBN 13 : 0486409139
Total Pages : 322 pages
Book Rating : 4.4/5 (864 download)
Download or read book From Sundials to Atomic Clocks written by James Jespersen and published by Courier Corporation. This book was released on 1999-01-01 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: Clear and accessible introduction to the concept of time examines measurement, historic timekeeping methods, uses of time information, role of time in science and technology, and much more. Over 300 illustrations.
Author : United States Naval Observatory. Nautical Almanac Office
Publisher : University Science Books
ISBN 13 : 9781891389450
Total Pages : 786 pages
Book Rating : 4.3/5 (894 download)
Download or read book Explanatory Supplement to the Astronomical Almanac written by United States Naval Observatory. Nautical Almanac Office and published by University Science Books. This book was released on 1992 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt: This well-schooled text provides a detailed description of how to perform practical astronomy or spherical astronomy. It is an authoritative source on astronomical phenomena and calendars.
Author : Prabhat Jha
Publisher :
ISBN 13 :
Total Pages : 514 pages
Book Rating : 4.4/5 (91 download)
Download or read book Tobacco Control in Developing Countries written by Prabhat Jha and published by . This book was released on 2000 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is no doubt that smoking is damaging global health on an unprecedented scale. However, there is continuing debate on the economics of tobacco control, including the costs and consequences of tobacco control policies. This book aims to fill the analytic gap around this debate. This book brings together a set of critical reviews of the current status of knowledge on tobacco control. While the focus is on the needs of low-income and middle-income countries, the analyses are relevant globally. The book examines tobacco use and its consequences including new analyses of welfare issues in tobacco consumption, poverty and tobacco, and the rationale for government involvement . It provides an evidence-based review of policies to reduce demand including taxation, information, and regulation. It critically reviews supply-side issues such as trade and industry and farming issues, including new analyses on smuggling. It also discusses the impact of tobacco control programs on economies, including issues such as employment, tax revenue and welfare losses. It provides new evidence on the effectivemess and international action, including future research directions. A statistica; annex will contain information on where the reader can find data on tobacco consumption, prices, trade, employment and other items. The book is directed at academic economists and epidemiologists as well as technical staff within governments and international agencies. Students of economics, epidemiology and public policy will find this an excellent comprehensive introduction to economics of tobacco control.
Author : Donald B. Percival
Publisher : Cambridge University Press
ISBN 13 : 1107717396
Total Pages : 628 pages
Book Rating : 4.1/5 (77 download)
Download or read book Wavelet Methods for Time Series Analysis written by Donald B. Percival and published by Cambridge University Press. This book was released on 2006-02-27 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt: This introduction to wavelet analysis 'from the ground level and up', and to wavelet-based statistical analysis of time series focuses on practical discrete time techniques, with detailed descriptions of the theory and algorithms needed to understand and implement the discrete wavelet transforms. Numerous examples illustrate the techniques on actual time series. The many embedded exercises - with complete solutions provided in the Appendix - allow readers to use the book for self-guided study. Additional exercises can be used in a classroom setting. A Web site offers access to the time series and wavelets used in the book, as well as information on accessing software in S-Plus and other languages. Students and researchers wishing to use wavelet methods to analyze time series will find this book essential.
Author : David W. Allan
Publisher : Forgotten Books
ISBN 13 : 9781396064715
Total Pages : 36 pages
Book Rating : 4.0/5 (647 download)
Download or read book The Measurement of Frequency and Frequency Stability of Precision Oscillators (Classic Reprint) written by David W. Allan and published by Forgotten Books. This book was released on 2018-09-09 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Measurement of Frequency and Frequency Stability of Precision Oscillators The specification and performance of precision oscillators is a very important topic to the owners and users of these oscillators. This paper presents at the tutorial level some convenient methods of measuring the frequencies and/or the frequency stabilities of precision oscillators - giving advantages and disadvantages of these methods. Conducting such measurements, of course, gives additional understanding into the performance of the given pair of oscillators involved. Further it is shown that by processing the data from the frequency measurements in certain ways, one may be able to state more general characteristics of the oscillators being measured. The goal in this regard is to allow the comparisons of different manufacturers' specifications and more importantly to help assess whether these oscillators will meet the standard of performance the user may have in'a particular application. The methods employed for measuring frequency are designed for state - of the-art oscillators, and an effort has been made to allow for fairly simple, inexpensive, and/or commonly available components to be used in the measurement systems. The method for measuring frequency stability is basically that recommended by the ieee subcommittee on Frequency Stability of the Technical Committee on Frequency and Time of the ieee Group on Instrumentation Measurement. Keywords: Accurate frequency measurement; Accurate time measurement; Frequency; Frequency stability; Frequency stability analysis; Models of frequency stability; Picosecond time difference measurements. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
