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 432 for “"impulsive"”.
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Identification of impulsive interference channels
… of the parameters of the Middleton Class A impulsive interference model is considered. In particular, under the assumption of the availability of a set of independent samples from the Class A envelope distribution, the problems of basic batch estimation of the Class A parameters, recursive …
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Frontal cortical asymmetry and impulsive aggression.
The present study uses individuals who display impulsive aggressive outbursts and measures resting frontal cortical activity. Impulsive aggression (IA) is described as a reactive or emotionally charged aggressive response characterized by a loss of behavioral control. Previous physiological studies …
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Modification of the Impulsive Conceptual Style
Made available in DSpace on 2014-12-08T23:02:00Z (GMT). No. of bitstreams: 1 7000778.pdf: 1308153 bytes, checksum: 06d1e2cc3f2e3d526317483e8fcbbe14 (MD5) Previous issue date: 1969
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Optimal cooperative time-fixed impulsive rendezvous
… that the vehicles perform a minimum of three impulsive maneuvers with each vehicle being active, that is, making at least one maneuver. The cost of a reference rendezvous solution is improved by an optimizer which uses an analytical gradient developed using primer vector theory and a new …
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Robust speech filtering in impulsive noise environments
… a new robust filtering technique that suppresses impulsive noise in speech signals. The method makes use of Projection Statistics based on medians to detect segments of speech with impulses. The autoregressive model employed to smooth out the speech signal is identified by means of a robust …
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An impulsive differential equation model for Marek's disease
… are described well by what are referred to as impulsive differential equations, systems of differential equations coupled with discrete mappings in state space. In this thesis we employ impulsive differential equations to model disease transmission within an industrial livestock barn. In …
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Nicotine Addiction and Impulsive Behaviour: Disentangling the Relationship
… for immediate over delayed gratification (impulsive choice) and a loss of inhibitory control (disinhibition) (Madden et al.,1997). To date, our understanding of the complex association between impulsivity and drug addiction has been hindered by the cross sectional nature of the majority of …
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Optimal, impulsive, direct ascent, time-fixed orbital interception
A method for determining the optimal impulsive trajectories is applied to minimum fuel, direct ascent, time-fixed intercept trajectories. The optimal trajectory is obtained by satisfying Lawden's necessary conditions expressed in terms of the primer vector. The vehicle is initially at rest on the …
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Impulsive stimulated thermal scattering of glass-forming liquids
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 1998.
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Thin circular metal plates subjected to localised impulsive loads
… circular metal plates subjected to localised impulsive loads. These predictions are compared to experimental data and a finite element model. The theoretical model is described by two models where the first model predicts the plate deformation and the second model, using the deformation from …
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Large deformations of thin plates subjected to impulsive loading
The dynamic response of structures subjected to blast and impact loading has been obtained relatively simply using rigid-plastic or rigid-viscoplastic material idealisations. It is essential, however, that the predictions of these idealised theories should be checked against experimental results, …
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An objective measure for the loudness of impulsive noises.
Thesis: M.S., Massachusetts Institute of Technology, Department of Electrical Engineering, 1972
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Language differences between reflective and impulsive fourth grade children
… between language abilities and the reflective-impulsive dimension prompted this investigation. From a sample of 118 fourth grade children, 57 subjects were classified as reflective or impulsive using the Matching Familiar Figures test. Three measures of language performance were administered. …
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The moderating influence of social factors in impulsive buying behaviour: development of a scale to measure social and non-social impulsive buying tendencies
Impulsive behaviour accounts for a significant percentage of retail sales, yet it may contribute to consumer debt and affect psychological wellbeing. Existing research indicates that impulsive buying presents as trait behaviour that influences the likelihood of experiencing impulsive urges and …
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Impulsive buying and delay of gratification among adults with ADHD
… a a significant difference in mean scores of impulsive buying would be found between ADHD and non-ADHD groups, and (ii) that a poor ability to delay gratification, reduced quality of life and increased ADHD symptoms predicts impulsive buying. Additionally (iii), more correlation is found …
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Background Flow Influence on Impulsive Jet-Driven Micro Droplet Dispersal
<p>Accurately predicting the airborne spread of infectious diseases is crucial in controlling the COVID19 pandemic today. Studies have shown the spread of expiratory droplets depends on ambient thermodynamic conditions and flow properties of the jet emitted by the activity. However, the droplet …
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