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Propagation of errors

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  • CHAPTER 3 MEASUREMENT AND INFERENCE Jerry Lee Hall, Ph.D., RE. Professor of Mechanical Engineering Iowa State University Ames, Iowa 3.1 THE MEASUREMENT PROBLEM / 3.1 3.2 DEFINITION OF MEASUREMENT / 3.3 3.3 STANDARDS OF MEASUREMENT / 3.4 3.4 THE MEASURING SYSTEM / 3.5 3.5 CALIBRATION / 3.7 3.6 DESIGN OF THE MEASURING SYSTEM / 3.8 3.7 SELECTED MEASURING-SYSTEM COMPONENTS AND EXAMPLES / 3.26 3.8 SOURCES OF ERROR IN MEASUREMENTS / 3.40 3.9 ANALYSIS OF DATA / 3.43 3.10 CONFIDENCE LIMITS / 3.49 3.11 PROPAGATION OF ERROR OR UNCERTAINTY / 3.53 REFERENCES / 3.54 ADDITIONAL REFERENCES / 3.55 3.

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  • the second edition of atoms, radiation, and radiation protection has several important new features. si units are employed throughout, the older units being de-fined but used sparingly. there are two new chapters. one is on statistics for health physics. it starts with the description of radioactive decay as a bernoulli process and treats sample counting, propagation of error, limits of detection, type-i and type-ii errors, instrument response, and monte carlo radiation-transport computations.

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  • As a consequence of the increasing importance of tritium resulting from nuclear fission and neutron activation, from its use in accelerators, from its use in research and industry, and from its use in the investigation of the environment and its distribution in the environment, the NCRP designated a scientific committee to prepare a report on the currently acceptable methods of measuring tritium. This report is particularly aimed in assisting an individual to select a procedure suitable to the problem at hand....

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  • Sampling and descriptive statistics, probability, propagation of error, commonly used distributions, confidence intervals, hypothesis testing, correlation and simple linear regression, multiple regression,... As the main contents of the Tài liệu Statistics for Engineers and Scientists. Invite you to consult.

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  • This book is based on the contributions of several authors in electromagnetic waves propagations. Several issues are considered. The contents of most of the chapters are highlighting non classic presentation of wave propagation and interaction with matters. This book bridges the gap between physics and engineering in these issues. Each chapter keeps the author notation that the reader should be aware of as he reads from chapter to the other. The author’s notations are kept in order to eliminate any possible unintentional errors that might lead to confusion.

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  • This edition of Acetaria is a faithful reprint of the First Edition of 1699, with the correction of a few obvious typographical errors, and those noted in the Errata of the original edition. Whereas no attempt has been made to reproduce the typography of the original, the spirit has been retained, and the vagaries of spelling and punctuation have been carefully followed; also the old-style S [s] has been retained. Much of the flavour of Acetaria is lost if it is scanned too hurriedly; and one should remember also that Latin and Greek were the gauge of a man of letters, and if the titles...

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  • The localization technology is critical for the application of the WSN. The obstacles induce the larger non-line of sight (NLOS) error and it may decrease the localization accuracy. In this paper, we mainly investigate the non-line of sight localization problem for WSN.

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  • Our primary objective herein is not to determine how approximate calculations introduce errors into situations with accurate hypotheses, but instead to study how rigorous calculations transmit errors due to inaccurate parameters or hypotheses. Unlike quantities represented by entire numbers, the continuous quantities generated from physics, economics or engineering sciences, as represented by one or several real numbers, are compromised by errors.

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  • Stream ciphers are an important class of encryption algorithms. They encrypt individual characters (usually binary digits) of a plaintext message one at a time, using an encryption transformation which varies with time. By contrast, block ciphers (Chapter 7) tend to simultaneously encrypt groups of characters of a plaintext message using a fixed encryption transformation. Stream ciphers are generally faster than block ciphers in hardware, and have less complex hardware circuitry. They are also more appropriate, and in some cases mandatory (e.g.

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  • Tweets represent a critical source of fresh information, in which named entities occur frequently with rich variations. We study the problem of named entity normalization (NEN) for tweets. Two main challenges are the errors propagated from named entity recognition (NER) and the dearth of information in a single tweet.

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  • Tree-to-string translation is syntax-aware and efficient but sensitive to parsing errors. Forestto-string translation approaches mitigate the risk of propagating parser errors into translation errors by considering a forest of alternative trees, as generated by a source language parser. We propose an alternative approach to generating forests that is based on combining sub-trees within the first best parse through binarization.

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  • In this paper we investigate the benefit of stochastic predictor components for the parsing quality which can be obtained with a rule-based dependency grammar. By including a chunker, a supertagger, a PP attacher, and a fast probabilistic parser we were able to improve upon the baseline by 3.2%, bringing the overall labelled accuracy to 91.1% on the German NEGRA corpus. We attribute the successful integration to the ability of the underlying grammar model to combine uncertain evidence in a soft manner, thus avoiding the problem of error propagation. ...

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  • Using the feed-forward back propagation (FFBP) method, a modified model of neural network, this paper will introduce a new long-term prediction approach for the maximum load power of Vietnam. Results from simulation indicate a considerable correlation of three parameters regarding electric power consumption demand, GDP growth rate, and maximum load power demand; the mean error of suggested model is about 1.92%. This is a reasonable range of mean error for a long-term prediction where the correlation of variables is not explicit.

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  • Accurate adjustment for the amplification efficiency (AE) is an important part of real-time quantitative polymerase chain reaction (qPCR) experiments. The most commonly used correction strategy is to estimate the AE by dilution experiments and use this as a plug-in when efficiency correcting the Cq.

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  • USE OF MODERN BLOCK CIPHERS Symmetric-key encipherment can be done using modern block ciphers. Modes of operation have been devised to encipher text of any size employing either DES or AES. Error Propagation A single bit error in transmission can create errors in several in the corresponding block.

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  • USE OF MODERN BLOCK CIPHERS Symmetric-key encipherment can be done using modern block ciphers. Modes of operation have been devised to encipher text of any size employing either DES or AES. 1 USE OF MODERN BLOCK CIPHERS Electronic codebook (ECB) mode Error Propagation A single bit error in transmission can create errors in several in the corresponding block. However, the error does not have any effect on the other blocks.

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  • Motivation and Example Adaptive Filter Structure Performance and Robustness Issues Error and Energy Measures Robust Adaptive Filtering Energy Bounds and Passivity Relations Min-Max Optimality of Adaptive Gradient Algorithms Comparison of LMS and RLS Algorithms Time-Domain Feedback Analysis Ali H. Sayed University of California, Los Angeles Markus Rupp Bell Laboratories Lucent Technologies Time-Domain Analysis • l2 −Stability and the Small Gain Condition • Energy Propagation in the Feedback Cascade • A Deterministic Convergence Analysis 20.10Filtered-Error Gradient Algorithms 20.

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  • Practical Considerationsof Wideband AQAM In deriving the upper bound performance of wideband AQAM portrayed in Figure 4.21(b), various assumptions were made and stated in Section 4.3.1. However, in order to provide a more accurate comparison between AQAM and constituent fixed modulation modes, those its assumptions must be justified and their effects have to be investigated. Specifically, perfect, i.e. error-free feedback was assumed for the DFE, while in practice erroneous decision can be fed back, which results in error propagation....

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  • Script injection attacks typically affect non-malicious users and succeed without compromising Web applica- tion servers or networks. For example, in 2005, the self- propagating Samy worm on MySpace used script injec- tion to infect over a million users [24]. As a MySpace user viewed the MySpace page of another, infected user, the worm script would execute and send a page update request to the server, causing the worm script to be in- cluded also on the viewing user’s page.

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  • MULTISENSOR ARCHITECTURES AND ERROR PROPAGATION The purpose of this chapter is to extend the data acquisition error analysis of the preceding chapters to provide understanding about how errors originating in multisensor architectures combine and propagate in algorithmic computations. This development is focused on the wider applications of sensor integration for improving data characterization rather than the narrower applications of sensor fusion employed for data ambiguity reduction.

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