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 63 for “"Asynchrony"”.
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Eggs, incubation and hatching asynchrony in gulls
Birds can influence the embryonic development through incubation behaviour because avian embryos develop using parent’s body heat. Although previous studies assumed that incubation behaviour influences hatching patterns, few studies have studied the effect of incubation behaviour during egg-laying …
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Asynchrony in the dynamics of chironomids across six locations in northeastern Iceland
… exhibiting asynchronous patterns. Such spatial asynchrony suggests that regional environmental forcing and inter-lake movement are insufficient to synchronize midge dynamics across sites. Instead, the observed patterns are consistent with the importance of lake-specific ecological processes, …
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I Play For Togetherness: Impacts of Audio-Visual Asynchrony on Feelings of Social Closeness in Adult Community Wind Band Musicians
… is to explore the effects of audio-visual asynchrony on feelings of social closeness in adult community band musicians. This study is situated within the fields of music cognition and sociology and explores how changes to the cognitive load of a performing musician by means of conflicting …
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High-frequency correlation dynamics: Is the Epps effect a bias?
… it to the theoretical Epps effect arising from asynchrony. We compare the Malliavin-Mancino and Cuchiero-Teichmann Fourier instantaneous estimators and demonstrate the relationship between the instantaneous Epps effect and the cutting frequencies in the Fourier estimators. We find that using the …
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Spatio-temporal dynamics of spontaneous neural activity during the transition from slow oscillations to an awake-like state in isolated cortical networks
… significant challenges. Thus, the emergence of asynchrony from the SO is poorly understood; in particular, the role of the local cortical network in orchestrating this transition spatially. We devised a new statistical procedure based on the time-frequency decomposi- tion of multivariate signals …
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ZigZag decoding : combating hidden terminals in wireless networks
… terminals, cause successive collisions. Due to asynchrony, these collisions have different interference-free stretches at their start, which ZigZag uses to bootstrap its decoding. ZigZag makes no changes to the 802.11 MAC and introduces no overhead when there are no collisions. But, when senders …
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Ciclo reprodutivo de Echinaster (Othilia) brasiliensis Müller & Troschel, 1842 (Echinodermata: Asteroidea) na região do Cabo Frio, RJ
… Histological analysis of gonads showed asynchrony in gametogenesis among the individuals of this population. Small and mesovitellogenic oocytes (60-160μm) were the dominant size-class in all samples. Several size classes of oocytes were found together in may ovaries along the studied …
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Spring Phenology and Trophic Ecology of Trees, Caterpillars, and Migrating Neotropical -Nearctic Songbirds
… spring warm-ups, and, in the event of trophic asynchrony, the magnitude of the trophic cascade generated by birds feeding on caterpillars is altered in the form of increased or decreased folivory of the trees during early and late springs, (2) birds exhibit preferences for tree species that …
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Perceptual deadtime: Is there processing latency in the perceptual system
… up to 100 milliseconds of stimulus onset asynchrony."
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Infrastructure development for integration of lip reading into the SUMMIT Speech Recognizer
… Hidden Markov Model resolves the variable asynchrony between the audio and video streams. The two streams are combined according to a relative weighting scheme, which is determined by optimizing on a held-out data set. Although a full audio-visual system has yet not been implemented, this …
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Análise do assincronismo entre remadores através de sinais biomecânicos e sua influência no desempenho em treinos técnicos de remo olímpico
… of forces, there is little research on the asynchrony failures and interference on the performance, strength and stroke. In this work we were collected biomechanical signals from 5 different crew, with 15 athletes taking turns their positions in the same boat for 8 athletes, plus the …
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Rethinking communication libraries for asynchronous multithreaded runtimes
… models is driving communication toward greater asynchrony and concurrency, often in multithreaded environments. A representative example is the Asynchronous Many-Task (AMT) model, which emphasizes fine-grained message-driven execution. However, existing communication libraries, most notably MPI, …
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The Biosystematics of Isonychia Bicolor (Walker) of the Finley Creek, Missouri
… 1.976 mm. The size frequency diagrams indicate asynchrony and overlap of generations. Larval dry weight was a highly significant exponential function of head capsule width as: Weight (mg) = .7872 x Head width (mm) 3.9418. Larval density and biomass increased during summer and winter and …
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Multi-tape finite-state transducer for asynchronous multi-stream pattern recognition with application to speech
… auxiliary field is used to model the degree of asynchrony among the feature streams. The individual feature streams can be linear sequences such as fixed-frame-rate features in traditional hidden Markov model (HMM) systems, and the feature streams can also be directed acyclic graphs such as …
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Case Study of a Variant of Western Corn Rootworm, Diabrotica Virgifera Virgifera LeConte, in East Central Illinois
… this important pest. What role dose phenological asynchrony of corn and soybean development play in the egg-laying behavior of the western corn rootworm? In late August of 1999 and 2000, soybean fields were still green; however, early-planted corn was being harvested. Due to earlier corn planting …
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Feature-based pronunciation modeling for automatic speech recognition
… or perceptual categories. By allowing for asynchrony between features and per-feature substitutions, many pronunciation changes that are difficult to account for with phone-based models become quite natural. Although it is well-known that many phenomena can be attributed to this …
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The impacts of embryo development and asynchronous hatching on morphology, growth, and development of larval burbot (Lota lota).
… the extent of the period and the impacts that asynchrony has on the development of burbot larvae is unknown. This study provides detailed information on the impacts of asynchronous hatching on the morphology, growth, and development of larval burbot in Lake Superior. Burbot were captured and …
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The perceived timing of events across different sensory modalities. A psychophysical investigation of multisensory time perception in humans.
… at two locations simultaneously, and that AV asynchrony adaptation effects are significantly affected by observers¿ attention during adaptation. Finally, Chapter 7 shows that when observers are accustomed to a physical delay between motor actions and sensory events, an event presented at a …
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Comportamento reprodutivo de Mussismilia hispida (Verril, 1902) (Cnidaria, Anthozoa, Scleractinia)
… cycle. Histologically, an intercolonial asynchrony in the development of the gametes during the breeding season was observed. From this, it was possible to infer that different colonies of the population reproduced at different times throughout the spawning period. No zooxanthellae were …
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Distributed consensus revised
… to reach agreement in the face of failures and asynchrony, is a fundamental and powerful primitive for constructing reliable distributed systems from unreliable components. For over two decades, the Paxos algorithm has been synonymous with distributed consensus. Paxos is widely deployed in …
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