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Dissertations / Theses on the topic 'Probability of error'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Nakiboḡlu, Bariş. "Exponential bounds on error probability with Feedback." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/64485.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2011.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from student submitted PDF version of thesis.<br>Includes bibliographical references (p. 95-97).<br>Feedback is useful in memoryless channels for decreasing complexity and increasing reliability; the capacity of the memoryless channels, however, can not be increased by feedback. For fixed length block codes even the dec

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2

Ong, Chong Tean. "On the undetected error probability of linear codes." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/29722.

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The probability of undetected error P[formula omitted](є) for the primitive triple-error-correcting BCH codes of blocklength 2[formula omitted]  1, used solely for error detection on a binary symmetric channel with crossover probability є ≤ 1/2, is examined. It is shown that for odd values of m, P[formula omitted(є) increases monotonically with є. For even values of m, this is not necessarily true. However, for a fixed є, as m increases, P[formula omitted](є) approaches 2‾[formula omitted] where p is the number of parity bits. The extended double and triple-error-correcting primitive BCH cod

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3

Yeh, Chen-Chu Alex. "Minimum-error-probability equalization and multi-user detection." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/12994.

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4

Law, Eugene. "Effect of Group Delay Variations on Bit Error Probability." International Foundation for Telemetering, 1993. http://hdl.handle.net/10150/611879.

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International Telemetering Conference Proceedings / October 25-28, 1993 / Riviera Hotel and Convention Center, Las Vegas, Nevada<br>Group delay variations are a potential problem in many communication systems. This paper is slanted towards the effects of group delay variations in analog magnetic recorder/reproducer systems but the results are applicable in general. Because it is difficult to get an arbitrary group delay profile at the output of a recorder/reproducer, a method of generating arbitrary group delays for bit error probability (BEP) testing was developed. A 32-bit pattern in which a

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5

Mendling, Jan, Laura Sanchez-Gonzalez, Felix Garcia, and Rosa Marcello La. "Thresholds for Error Probability Measures of Business Process Models." Elsevier, 2012. http://epub.wu.ac.at/3498/1/JSS12%2DMetrics.pdf.

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The quality of conceptual business process models is highly relevant for the design of corresponding information systems. In particular, a precise measurement of model characteristics can be beneficial from a business perspective, helping to save costs thanks to early error detection. This is just as true from a software engineering point of view. In this latter case, models facilitate stakeholder communication and software system design. Research has investigated several proposals as regards measures for business process models, from a rather correlational perspective. This is helpful for u

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6

Dalile, Boushra. "Is the High Probability of Type II Error an Issue in Error Awareness ERP Studies?" Thesis, Högskolan i Skövde, Institutionen för biovetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-12628.

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When researchers began addressing the electrophysiology of conscious error awareness more than a decade ago, the role of the error-related negativity (ERN), alongside the subsequently occurring error positivity (Pe), was an obvious locus of attention given the fact that they are taken as indices of cortical error processing. In contrast to the clear-cut findings that link the amplitude of the Pe to error awareness, the association between the ERN amplitude and error awareness is vastly unclear, with a range of studies reporting significant differences in the ERN amplitude with respect to error

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7

Lai, Pik-ying, and 黎碧瑩. "Lp regression under general error distributions." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B30287844.

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8

Wahid, Amna Abdul. "Evaluating error when estimating the loss probability in a packet buffer." Thesis, Queen Mary, University of London, 2016. http://qmro.qmul.ac.uk/xmlui/handle/123456789/23785.

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In this thesis we explore precision in measurement of buffer overflow and loss probability. We see how buffer overflow probability compares with queuing delay measurements covered in the literature. More specifically, we measure the overflow probability of a packet buffer for various sampling rates to see the effect of sampling rate on the estimation. There are various reasons for measurement in networks; one key context assumed here is Measurement Based Admission Control. We conduct simulation experiments with analytically derived VoIP and bursty traffic parameters, in Matlab, while treating

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9

Law, Eugene L. "Binary PCM/FM Tradeoffs Between Spectral Occupancy and Bit Error Probability." International Foundation for Telemetering, 1994. http://hdl.handle.net/10150/611661.

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International Telemetering Conference Proceedings / October 17-20, 1994 / Town & Country Hotel and Conference Center, San Diego, California<br>The bit rates of telemetry systems are increasing rapidly. Higher bit rates occupy more spectra and result in decreased link margin. The major signal parameters that affect the spectral occupancy and bit error probability (BEP) of binary pulse code modulation (PCM)/frequency modulation (FM) signals are the bit rate, code, premodulation filter, and peak deviation. The measured spectral occupancy is also affected by the spectrum analyzer (or other measure

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10

Grimit, Eric P. "Probabilistic mesoscale forecast error prediction using short-range ensembles /." Thesis, Connect to this title online; UW restricted, 2004. http://hdl.handle.net/1773/10064.

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11

Yuksel, Inci. "Single Shot Hit Probability Computation For Air Defense Based On Error Analysis." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/3/12608509/index.pdf.

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In this thesis, an error analysis based method is proposed to calculate single shot hit probability (PSSH) values of a fire control system. The proposed method considers that a weapon and a threat are located in three dimensional space. They may or may not have relative motion in three dimensions with respect to each other. The method accounts for the changes in environmental conditions. It is applicable in modeling and simulation as well as in top down design of a fire control system to reduce the design cost. The proposed method is applied to a specific fire control system and it is observed

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12

Phillips, Kimberly Ann. "Probability Density Function Estimation Applied to Minimum Bit Error Rate Adaptive Filtering." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/33280.

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It is known that a matched filter is optimal for a signal corrupted by Gaussian noise. In a wireless environment, the received signal may be corrupted by Gaussian noise and a variety of other channel disturbances: cochannel interference, multiple access interference, large and small-scale fading, etc. Adaptive filtering is the usual approach to mitigating this channel distortion. Existing adaptive filtering techniques usually attempt to minimize the mean square error (MSE) of some aspect of the received signal, with respect to the desired aspect of that signal. Adaptive minimization of MSE

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13

Shin, Hong-Sup. "Analysis of the probability of error in frequency hopping multiple access system /." Thesis, Connect to this title online; UW restricted, 1997. http://hdl.handle.net/1773/5868.

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14

Baeshu, Abdurrazagh M. "Finite mixtures of generalized Pareto distributions with applications." Thesis, University of Salford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.244856.

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15

Zhendong, Wang. "Error Pattern Recognition Using Machine Learning." Thesis, Linköpings universitet, Statistik och maskininlärning, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-150589.

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Mobile networks use automated continuous integration to secure the new technologies, which must reach high quality and backwards compatibility. The machinery needs to be constantly improved to meet the high demands that exist today and will evolve in the future. When testing products in large scale in a telecommunication environment, many parameters may be causing the error. Machine learning can help to assign troubleshooting labels and identify problematic areas in the test environment. In this thesis project, different modeling approaches will be applied step-wise. First, both the TF-IDF (te

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Gyldberg, Ellinor, and Henrik Bark. "Type 1 error rate and significance levels when using GARCH-type models." Thesis, Uppsala universitet, Statistiska institutionen, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-375770.

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The purpose of this thesis is to test whether the probability of falsely rejecting a true null hypothesis of a model intercept being equal to zero is consistent with the chosen significance level when modelling the variance of the error term using GARCH (1,1), TGARCH (1,1) or IGARCH (1,1) models. We test this by estimating “Jensen’s alpha” to evaluate alpha trading, using a Monte Carlo simulation based on historical data from the Standard & Poor’s 500 Index and stocks in the Dow Jones Industrial Average Index. We evaluate over simulated daily data ranging over periods of 3 months, 6 months

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Bastos, Alex Souza. "ANALYSIS OF SIGNAL INTERRUPTION PROBABILITY FOR GNSS UTILIZATION IN FOREST CONDITIONS." Kyoto University, 2013. http://hdl.handle.net/2433/180519.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第17902号<br>農博第2025号<br>新制||農||1017(附属図書館)<br>学位論文||H25||N4798(農学部図書室)<br>30722<br>京都大学大学院農学研究科森林科学専攻<br>(主査)教授德地直子, 教授吉岡崇仁, 准教授長谷川尚史<br>学位規則第4条第1項該当

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18

Anttonen, A. (Antti). "Estimation of energy detection thresholds and error probability for amplitude-modulated short-range communication radios." Doctoral thesis, Oulun yliopisto, 2011. http://urn.fi/urn:isbn:9789514297052.

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Abstract In this thesis, novel data and channel estimation methods are proposed and analyzed for low-complexity short-range communication (SRC) radios. Low complexity is challenging to achieve especially in very wideband or millimeter-wave SRC radios where phase recovery and energy capture from numerous multipaths easily become a bottleneck for system design. A specific type of transceiver is selected using pulse amplitude modulation (PAM) at the transmitter and energy detection (ED) at the receiver, and it is thus called an ED-PAM system. Nonnegative PAM alphabets allow using an ED structure

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19

Law, Eugene, and Kamilo Feher. "FQPSK VERSUS PCM/FM FOR AERONAUTICAL TELEMETRY APPLICATIONS; SPECTRAL OCCUPANCY AND BIT ERROR PROBABILITY COMPARISONS." International Foundation for Telemetering, 1997. http://hdl.handle.net/10150/609732.

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International Telemetering Conference Proceedings / October 27-30, 1997 / Riviera Hotel and Convention Center, Las Vegas, Nevada<br>The aeronautical telemetry community is investigating alternative modulation methods to the commonly used non-return-to-zero (NRZ) pulse code modulation (PCM)/frequency modulation (FM). This paper outlines the important characteristics being investigated. Measured data comparing the spectral occupancy and bit error probability (BEP) performance of PCM/FM with that of a prototype constant envelope Feher’s quadrature phase shift keying (FQPSK) modulator and demodula

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20

欒世武 and Shiwu Luan. "Structural inference of linear models for some families of error distributions." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1998. http://hub.hku.hk/bib/B31237502.

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Luan, Shiwu. "Structural inference of linear models for some families of error distributions /." Hong Kong : University of Hong Kong, 1998. http://sunzi.lib.hku.hk/hkuto/record.jsp?B19979368.

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22

Othuon, Lucas Onyango A. "The accuracy of parameter estimates and coverage probability of population values in regression models upon different treatments of systematically missing data." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ34604.pdf.

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23

Blasco-Serrano, Ricardo, Ragnar Thobaben, Vishwambhar Rathi, and Mikael Skoglund. "Polar codes for compress-and-forward in binary relay channels." KTH, Kommunikationsteori, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-43727.

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We construct polar codes for binary relay channels with orthogonal receiver components. We show that polar codes achieve the cut-set bound when the channels are symmetric and the relay-destination link supports compress-and-forward relaying based on Slepian-Wolf coding. More generally, we show that a particular version of the compress-and-forward rate is achievable using polar codes for Wyner-Ziv coding. In both cases the block error probability can be bounded as O(2-Nβ) for 0 < β < 1/2 and sufficiently large block length N.<br><p>© 2010 IEEE. Personal use of this material is permitted.

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PINHEIRO, GUSTAVO JOSE PITTA. "COMPARATIVE ANALYSIS AND APPLICATION OF METHODS FOR CALCULATION OF ERROR PROBABILITY IN COHERENT DIGITAL TRANSMISSION SYSTEMS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1986. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=9480@1.

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FURNAS CENTRAIS ELÉTRICAS S.A<br>É desenvolvido, inicialmente, um modelo geral para os sistemas de Transmissão Digital Coerentes em presença de ruído térmico e interferência entre símbolos obtendo-se expressões formais da Probabilidade de Erro para diversos sistemas de modulação. A seguir são apresentados e analisados métodos para o cálculo aproximado destas Probabilidades de Erro em função dos momentos da amostra interferente colhida no receptor. São comparados métodos para o cálculo dos momentos de uma soma de variáveis aleatórias e os métodos da Série de Gram-Charlier e da Regra

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Nelson, N. Thomas. "Probability of Bit Error on a Standard IRIG Telemetry Channel Using the Aeronautical Fading Channel Model." International Foundation for Telemetering, 1994. http://hdl.handle.net/10150/611662.

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International Telemetering Conference Proceedings / October 17-20, 1994 / Town & Country Hotel and Conference Center, San Diego, California<br>This paper analyzes the probability of bit error for PCM-FM over a standard IRIG channel subject to multipath interference modeled by the aeronautical fading channel. The aeronautical channel model assumes a mobile transmitter and a stationary receiver and specifies the correlation of the fading component. This model describes fading which is typical of that encountered at military test ranges. An expression for the bit error rate on the fading channel

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26

Burford, Eva-Maria. "The analysis of the strain level and the predicted human error probability for critical hospital tasks." Thesis, Rhodes University, 2012. http://hdl.handle.net/10962/d1005182.

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South African hospitals, as a result of numerous factors, have the problem of an increasing workload for nursing staff, which in turn may affect patient treatment quality. This project aimed at addressing patient treatment quality specifically from the perspective of worker capabilities by investigating the strain level and predicted human error probability associated with specific patient-centered tasks in the South African health care sector. This was achieved through two independent yet interlinked studies which focused on seven patient-centred tasks. The tasks analysed were the tasks of se

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Mamun, Mohammed Al. "Probabilistic modelling of replication fidelity in eukaryotic genomes." Thesis, University of Dundee, 2016. https://discovery.dundee.ac.uk/en/studentTheses/cd8bf41c-51cb-411d-816e-40783d8adc89.

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Eukaryotic DNA replication is composed of a complex array of molecular biological activities compounded by the pressure for faithful replication in order to maintain genetic and genomic integrity. The constraints governing DNA replication biology is of fundamental importance to understand the degree of replication error and strategies employed by organisms to tackle the threats to replication fidelity from such errors. We apply a simple conceptual model, formalized by the use of probability theory and statistics, to discern fundamental pressures and constraints that optimise complete DNA repli

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Wong, Brenden. "On the computation of the probability of undetected error for linear block codes on the Gilbert channel." Thesis, University of British Columbia, 1991. http://hdl.handle.net/2429/30119.

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An important measure of the performance of error detecting codes is the probability of undetected error. Extensive study on the subject has yielded results which allow for the computation of the probability of undetected error for many codes on the binary symmetric channel (BSC). However, little is known about code performance in more complicated channel models. The Gilbert channel is a two-state, three-parameter model with memory which simulates the effects of burst noise. In this thesis, we investigate methods to compute the probability of undetected error of binary linear block codes on th

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RESPI, CHIARA. "Can we trust data collected using web surveys? Assessing the quality of an Italian non-probability online panel." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2019. http://hdl.handle.net/10281/241197.

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Questa tesi si colloca nell’ambito della “survey methodology” e indaga il concetto di qualità dei dati nelle indagini campionarie condotte sui membri dei panel online. Nel tempo tali indagini hanno implementato diverse tecniche per superare varie sfide. In particolare, i costi elevati, la necessità di ottenere dati in tempi brevi e i problemi di copertura della popolazione, hanno portato allo sviluppo dei panel online a partire dagli anni ‘90. I panel online sono gruppi di persone che, tramite iscrizione volontaria, hanno acconsentito a partecipare a indagini condotte via web in cambio di una

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Qiu-Cheng, Xie, and Cao Jie. "Analysis On the Optimum Group Synchronization Code of TIROS Satellite." International Foundation for Telemetering, 1988. http://hdl.handle.net/10150/615248.

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International Telemetering Conference Proceedings / October 17-20, 1988 / Riviera Hotel, Las Vegas, Nevada<br>In this paper, the group synchronization code (length n = 60 bit) of the TIROS Satellite was analysed. It seems to us the code isn't optimization. A series of optimum group sync codes (n = 60) have been searched out with error tolerance E = 1, 2, 3, 4, 5, 6 and 10, 12. Their error sync probabilities are less than the error sync probability of the TIROS code (from two times to two order of magnitudes about). These optimum or qansi-optimum codes will be presented for application in the s

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Ramezanipour, I. (Iran). "Decision error probability in a two-stage communication network for smart grids with imperfect sensing and data links." Master's thesis, University of Oulu, 2016. http://urn.fi/URN:NBN:fi:oulu-201602031115.

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This thesis analyzes a scenario where the distribution system operator needs to estimate whether the average power demand in a given period is above a predetermined threshold using a 1-bit memoryless scheme. Specifically, individual smart-meters periodically monitor the average power demand of their respective households to inform the system operator if it is above a predetermined level using only a 1-bit signal. The communication link between the meters and the operator occurs in two hops and is modeled as binary symmetric channels. The first hop connects individual smart meters to their corr

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He, Xiaohui. "Bit-interleaved coded modulation for hybrid rf/fso systems." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/2868.

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In this thesis, we propose a novel architecture for hybrid radio frequency (RF)/free–space optics (FSO) wireless systems. Hybrid RF/FSO systems are attractive since the RF and FSO sub–systems are affected differently by weather and fading phenomena. We give a thorough introduction to the RF and FSO technology, respectively. The state of the art of hybrid RF/FSO systems is reviewed. We show that a hybrid system robust to different weather conditions is obtained by joint bit–interleaved coded modulation (BICM) of the bit streams transmitted over the RF and FSO sub–channels. An asymptotic perform

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Olson, Erik Lee. "Computer-assisted decision aids in difficult decision environments: Factors which enhance the probability of decision errors and decision error impact on subjective evaluations of the decision aid." Case Western Reserve University School of Graduate Studies / OhioLINK, 1992. http://rave.ohiolink.edu/etdc/view?acc_num=case1056551622.

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Al, Kloub Naser Yousef Abdalla. "Improvement of the metrological reliability assessment of the instruments by the results of group tests." Thesis, Київський національний університет технологій та дизайну, 2019. https://er.knutd.edu.ua/handle/123456789/14597.

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Potter, Chris, Kurt Kosbar, and Adam Panagos. "Effects of Synchronization Error on Space Time Block Codes Equipped with FSK Waveforms." International Foundation for Telemetering, 2009. http://hdl.handle.net/10150/605966.

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ITC/USA 2009 Conference Proceedings / The Forty-Fifth Annual International Telemetering Conference and Technical Exhibition / October 26-29, 2009 / Riviera Hotel & Convention Center, Las Vegas, Nevada<br>Space-time Coding (STC) for Multiple-Input Multiple-Output (MIMO) wireless communication systems is an effective technique for providing robust wireless link performance in telemetry systems. This paper investigates the degradation in system performance when synchronization errors between the transmitter and receiver are present. Specifically, expressions that quantify the increase in symbol-e

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Dai, Xiaogang. "Score Test and Likelihood Ratio Test for Zero-Inflated Binomial Distribution and Geometric Distribution." TopSCHOLAR®, 2018. https://digitalcommons.wku.edu/theses/2447.

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The main purpose of this thesis is to compare the performance of the score test and the likelihood ratio test by computing type I errors and type II errors when the tests are applied to the geometric distribution and inflated binomial distribution. We first derive test statistics of the score test and the likelihood ratio test for both distributions. We then use the software package R to perform a simulation to study the behavior of the two tests. We derive the R codes to calculate the two types of error for each distribution. We create lots of samples to approximate the likelihood of type I

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Bedi, Aman. "The effects of response probability on commission errors in high go low no-go dual response versions of the sustained attention to response task (SART)." Thesis, University of Canterbury. Psychology, 2015. http://hdl.handle.net/10092/10520.

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In the current investigation, we modified the high Go low No-Go Sustained Attention to Response Task (SART) by replacing the single response on Go trials with a dual response (dual response SART or DR SART). In three experiments a total of 80 participants completed the SART and versions of the DR SART in which response probabilities varied from 50-50, through 70-30 to 90-10. The probability of No-Go withhold stimuli was .11 in all experiments. Using a dynamic utility based model proposed by Peebles and Bothell (2004) we predicted that the 50-50 DR-SART would dramatically reduce commission erro

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Leinonen, J. (Jouko). "Analysis of OFDMA resource allocation with limited feedback." Doctoral thesis, University of Oulu, 2009. http://urn.fi/urn:isbn:9789514292460.

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Abstract Radio link adaptation, multiple antenna techniques, relaying methods and dynamic radio resource assignment are among the key methods used to improve the performance of wireless communication networks. Opportunistic resource block (RB) allocation in downlink orthogonal frequency division multiple access (OFDMA) with limited feedback is considered. The spectral efficiency analysis of multiuser OFDMA with imperfect feedback path, multiple antenna methods and relaying methods is a particular focus. The analysis is derived for best-M feedback methods and for a RB-wise signal-to-noise rat

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Lee, Dennis, Marvin Simon, and Tsun-Yee Yan. "ENHANCED PERFORMANCE OF FQPSK-B RECEIVER BASED ON TRELLIS-CODED VITERBI DEMODULATION." International Foundation for Telemetering, 2000. http://hdl.handle.net/10150/607724.

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International Telemetering Conference Proceedings / October 23-26, 2000 / Town & Country Hotel and Conference Center, San Diego, California<br>Commercial FQPSK-B receivers traditionally use symbol-by-symbol detection and have a 2 dB Eb=No loss relative to ideal QPSK at a bit error rate (BER) of 10^(-5). An enhanced FQPSK-B receiver using a Viterbi algorithm (VA) to perform trellis decoding is simulated and shown to have a 1.2 dB Eb=No improvement over symbol-by-symbol detection for 10^(-5)5 BER at the cost of increased complexity. A simplified Viterbi receiver with a reduced trellis and signif

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Haider, Iqbal Hasan, and MD Fazla Rabby. "Performance Analysis of Cognitive Radio Network over SIMO System." Thesis, Blekinge Tekniska Högskola, Sektionen för ingenjörsvetenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-3439.

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As resources are limited, radio spectrum becomes congested due to the growth of wireless applications. However, measurements address the fact that most of the licensed spectrums experience low utilization even in intensively teeming areas. In the exertion to improve the utilization of the limited spectrum resources, cognitive radio networks have emerged as a powerful technique to resolve this problem. There are two types of user in cognitive radio networks (CRNs) named as primary user (PU) and secondary user (SU). Therein, the CRN enables the SU to utilize the unused licensed frequency of the

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Amirichimeh, Reza 1958. "Simulation and analytic evaluation of false alarm probability of a non-linear detector." Thesis, The University of Arizona, 1991. http://hdl.handle.net/10150/277966.

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One would like to evaluate and compare complex digital communication systems based upon their overall bit error rate. Unfortunately, analytical expressions for bit error rate for even simple communication systems are notoriously difficult to evaluate accurately. Therefore, communication engineers often resort to simulation techniques to evaluate these error probabilities. In this thesis importance sampling techniques (variations of standard Monte Carlo methods) are studied in relation to both linear and non-linear detectors. Quick simulation, an importance sampling method based upon the asympt

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Sreng, Sokchenda. "Systèmes coopératifs hybride Satellite-Terrestre : analyse de performance et dimensionnement du système." Thesis, Toulouse, INPT, 2012. http://www.theses.fr/2012INPT0153/document.

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Les systèmes de communications par satellite sont utilisés dans le contexte de la radiodiffusion, de la navigation, du sauvetage et du secours aux sinistrés, car ils permettent de fournir des services sur une large zone de couverture. Cependant, cette zone de couverture est limitée par l'effet de masquage provoqué par des obstacles qui bloquent la liaison directe entre le satellite et un utilisateur terrestre. L'effet de masquage devient plus sévère en cas de satellites à faibles angles d'élévation ou lorsque l'utilisateur est à l'intérieur. Pour résoudre ce problème, les Systèmes Coopératifs

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Ogorodnikova, Natalia. "Pareto πps sampling design vs. Poisson πps sampling design. : Comparison of performance in terms of mean-squared error and evaluation of factors influencing the performance measures". Thesis, Örebro universitet, Handelshögskolan vid Örebro Universitet, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-67978.

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Petit-Bois, Merlande. "A Monte Carlo Study: The Consequences of the Misspecification of the Level-1 Error Structure." Scholar Commons, 2014. https://scholarcommons.usf.edu/etd/5341.

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Single-case interventions allow for the repeated measurement of a case or participant across multiple time points, to assess the treatment¡͞s effect on one specific case or participant. The basic interrupted time series design includes two phases: baseline and treatment. Raudenbush and Byrk (2002) demonstrated that a meta-analysis of large group designs can be seen as a special case of multi-level analysis with participants (level-one) nested within studies (level-two). Raw data from a set of single case design studies have a similar structure. Van den Noortgate and Onghena (2003) illustrated

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Temple, Kip. "PERFORMANCE TRADE-OFFS WHEN IMPLEMENTING TURBO PRODUCT CODE FORWARD ERROR CORRECTION FOR AIRBORNE TELEMETRY." International Foundation for Telemetering, 2005. http://hdl.handle.net/10150/604798.

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ITC/USA 2005 Conference Proceedings / The Forty-First Annual International Telemetering Conference and Technical Exhibition / October 24-27, 2005 / Riviera Hotel & Convention Center, Las Vegas, Nevada<br>Hardware implementing forward error correction (FEC) is currently available for utilization by the airborne telemetry system designer. This paper will discuss the potential benefits along with drawbacks when using this technology. Laboratory testing is supplemented with real-world flight testing. Performance results comparing FEC and non-FEC systems are presented for both IRIG-106 Pulse Cod

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Inturi, Satya Prakash Reddy, and Chaitanya Macherla. "System Performance of MIMO MRT/MRC System under Perfect CSI." Thesis, Blekinge Tekniska Högskola, Institutionen för datavetenskap, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-21137.

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Multiple Input and Multiple Output (MIMO) is one of the techniques used tiimprove the system performance. In this thesis, we improve and evaluate the system performance of MIMO deploying MRT technique at the transmitter and MRCtechnique at the receiver with an assuming that the system can obtain perfect CSI.We derived expressions for outage probability and symbol error rate and simulationgraphs for SISO, SIMO, MISO, and MIMO in terms of outage probability. Our results show that the MIMO system performance is better than other configurations.We also observed that SISO have the least performance

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Temple, Kip. "Performance Evaluation of Low Density Parity Check Forward Error Correction in an Aeronautical Flight Environment." International Foundation for Telemetering, 2014. http://hdl.handle.net/10150/578364.

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ITC/USA 2014 Conference Proceedings / The Fiftieth Annual International Telemetering Conference and Technical Exhibition / October 20-23, 2014 / Town and Country Resort & Convention Center, San Diego, CA<br>In some flight test scenarios the telemetry link is noise limited at long slant ranges or during signal fade events caused by antenna pattern nulls. In these situations, a mitigation technique such as forward error correction (FEC) can add several decibels to the link margin. The particular FEC code discussed in this paper is a variant of a low-density parity check (LDPC) code and is couple

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Griffiths, Wayne Bradley. "On a posteriori probability decoding of linear block codes over discrete channels." University of Western Australia. School of Electrical, Electronic and Computer Engineering, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0156.

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One of the facets of the mobile or wireless environment is that errors quite often occur in bursts. Thus, strong codes are required to provide protection against such errors. This in turn motivates the employment of decoding algorithms which are simple to implement, yet are still able to attempt to take the dependence or memory of the channel model into account in order to give optimal decoding estimates. Furthermore, such algorithms should be able to be applied for a variety of channel models and signalling alphabets. The research presented within this thesis describes a number of algorithms

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Moore, Natalie. "The Effect of Receiver Nonlinearity and Nonlinearity Induced Interference on the Performance of Amplitude Modulated Signals." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/84899.

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All wireless receivers have some degree of nonlinearity that can negatively impact performance. Two major effects from this nonlinearity are power compression, which leads to amplitude and phase distortions in the received signal, and desensitization caused by a high powered interfering signal at an adjacent channel. As the RF spectrum becomes more crowded, the interference caused by these adjacent signals will become a more significant problem for receiver design. Therefore, having bit and symbol error rate expressions that take the receiver nonlinearity into account will allow for determinin

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Nyman, Peter. "On relations between classical and quantum theories of information and probability." Doctoral thesis, Linnéuniversitetet, Institutionen för datavetenskap, fysik och matematik, DFM, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-13830.

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In this thesis we study quantum-like representation and simulation of quantum algorithms by using classical computers.The quantum--like representation algorithm (QLRA) was introduced by A. Khrennikov (1997) to solve the ``inverse Born's rule problem'', i.e. to construct a representation of probabilistic data-- measured in any context of science-- and represent this data by a complex or more general probability amplitude which matches a generalization of Born's rule.The outcome from QLRA matches the formula of total probability with an additional trigonometric, hyperbolic or hyper-trigonometri

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