Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 339 for “"error rates"”.
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Error-rates of digital signaling with coherent and noncoherent detections
… detection schemes are considered. A symbol error-rate or probability of error is used as the performance criterion for comparison purpose.
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Systematically controlling the error rates in variation-prone networks-on-chip for energy efficiency
… reduced Vdd while occasionally su ering and xing errors. Unfortunately, these proposals use ad-hoc controller designs that may not work under other scenarios and do not provide error bounds. This thesis develops a scheme that dynamically minimizes the Vdd of groups of routers in a variation-prone …
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On optimal error rates for strong approximation of stochastic differential equations with irregular drift coefficients
… coefficients. To do this, we derive the optimal error rates for the different classes of irregular drift coefficients. Furthermore, we show that the solution of an SDE with piecewise Hölder continuous drift coefficient has a regular local density, which is used in the proofs of the lower bounds.
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Self-Reported Emotional States and Air Traffic Controller Operational Error Rates in Advanced Air Traffic Control Students
… aviation industry. Reducing the rate of human error throughout the various fields of aviation is essential in order to continue to promote and mitigate aviation incidents. Air traffic controllers work in high stress environments, requiring them to make hundreds or even thousands of individual …
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Longer Term Dynamics of Bit Error Rates using Universal Software Radio Peripheral (USRP) Software Defined Radios for Indoor Environments
… schemes and to compare the results of Bit Error Rate Vs Packets Received for each of the modulation scheme in the indoor environment. For this research, we used GNU radio as a simulation tool along with the USRP hardware.
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Top-down and bottom-up influences on action and inhibition
… thesis investigated how commission and omission errors are influenced by the actual distribution of the responses required during the trials (bottom-up factor) and a response mapping rule provided in the beginning (top-down factor). Results indicated that the Go-trial proportion and the …
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Effects of Induced Mood on Cognitive Processing in Healthy Older and Healthy Younger Adults
… group had longer reaction times (RT) and higher error rates at the toughest recognition level than the neutral group. Gerard, Zacks, Hasher, and Radvansky (1991) studied age-related changes on LTM retrieval using the same paradigm. While the younger and older adults had longer RT and higher error …
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The interactive effects of data categorization and noncircularity on the sampling distribution of generalizability coefficients in analysis of variance models : an empirical investigation
… balanced designs as well as on the Type I error rates for F tests in repeated measures ANOVA designs. Computer programs were developed to conduct a series of simulations under various sampling conditions. Five independent parameters were considered in the simulations: (a)three levels of …
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Detection of consonant voicing : a module for a hierarchical speech recognition system
… measurements of these acoustic cues results in error rates around 10% for isolated speech, and 20% for continuous speech. Combining closure/release landmarks reduces error rates by about 5%. Comparison with perceived voicing yield similar results. When modifications are discounted, most errors …
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Analysis Of Time Synchronization Errors In High Data Rate Ultrawideban
… with such systems in order to achieve Bit Error Rates (BER) of the order of magnitude of 10-12 and thereby avoid overloading the correction of irreducible errors due to misaligned timing errors to a small absolute number of bits in error in real-time relative to a data rate of hundreds of …
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A Novel Correction for the Multivariate Ljung-Box Test
… of the original test from the nominal Type I error rates under almost all scenarios. Prior attempts to mitigate this issue have been directed at modification of the test statistics or correction of the test distribution to achieve precise results in finite samples. In previous studies, focused …
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Synthesis and error correction methods in gene fabrication
… The second part of this document focuses on error correction. Reducing error rates is one of the main challenges in gene fabrication because high error rates preclude the possibility of fabricating long gene targets in a practical and economical manner. Improvements in error rates are …
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Analysis of the impact of sequencing errors on BLAST using fault injection
This thesis investigates the impact of sequencing errors in post-sequence computational analyses, including local alignment search and multiple sequence alignment. While the error rates of sequencing technology are commonly reported, the significance of these numbers cannot be fully grasped without …
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Performance of the Kenward-Project when the Covariance Structure is Selected Using AIC and BIC
… Our study used simulations to investigate Type I error rates in test of fixed effects using Wald statistics with the KR adjustment method, incorporating the selection of the covariance structure using AIC and BIC. Performance of the AIC and BIC criteria in selecting the true covariance structure …
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Formulating a Dimtest-Based Effect Size Measure and a New DIMTEST Statistic and Their Applications
… statistic (NEWDIM) that yields improved Type I error rates relative to the original DIMTEST T statistic. Furthermore, this chapter evaluates the performances of DESM and NEWDIM in terms of Type I error and power. DESM used in tandem with DIMTEST results in better Type I error rates compared to …
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An Investigation of Unidimensional Testing Procedures under Latent Trait Theory using Principal Component Analysis
… address three purposes: determining the Type I error rates associated with various criterion values, for assessing unidimensionality; determining the Type II error rates and statistical power associated with various rules of thumb when assessing dimensionality; and, finally, determining whether …
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Discrimination of Quantum Channels
… with assessing optimal decision strategies and error rates for the task of binary quantum channel discrimination, where the main focus lies on proving optimal asymmetric error exponents (both asymptotically and non-asymptotically) for different variants of this problem. The task of binary …
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Can health workers capture data using a generic mobile phone with sufficient accuracy for Capture at Source to be used for clinical research purposes?
Objective: To determine the accuracy, measured by error rate, with which Clinical Research Workers (CRWs), with minimal experience in data entry, could capture data on a feature phone during an interview using two different mobile phone applications, compared to the accuracy with which they could …
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