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.
Results
Showing 1 to 20 of 22 for “"Datalink"”.
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Dual channel bidirectional wavelength division multiplexing datalink
… data, we design a 20 km bidirectional WDM datalink. The design is backed up with theory and measurements. Fiber to the home is one of many applications that makes use of such a design.
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Electronically tuned 23 GHz Gunn oscillators for a microwave datalink
A market has been identified for 23 GHz, short-haul, low-capacity, digital radio. The dissertation presents the development of the varactor controlled Gunn oscillators that constitute the crystal locked microwave sources of the radio. An accurate description of a design procedure for Gunn …
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Acknowledgement Response and Interference Timing During the Processing of Voice and Datalink ATC Commands
… communications initiated the development of datalink technology. Datalink is a text system used to send messages between ATC and pilots. Although datalink was intended to reduce errors associated with radio communication, there are new concerns related to changes in information processing …
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Variations in party line information requirements for flight crew situation awareness in the datalink environment
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1994.
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An experimental study of the effects of automation on pilot situational awareness in the datalink ATC environment
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1992.
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Implementation of network moving target defense in embedded systems
… host compromise. Identifiers are utilized at the datalink, network, and transport layers and rotated per connection using keys shared between host pairs.Existing shuffling schemes are explored, including those targeted to IoT contexts. Existing limitations in protecting embedded systems are …
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A low cost tellurometer
… can be configured as a full-duplex 9 600 Baud datalink. The Tellurometer was invented in 1957 by the late Dr. Trevor Wadley of the National Institute of Telecommunications Research. Since then there has been a continuous development of Tellurometers that are used world-wide in the surveying …
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Evaluation of a digital communication device for railroad worker safety
… Ds. The radio communication was faster than the datalink for confirmation communications that only require yes/no answers. One reason for this difference appears to be the users' unfamiliarity with the device. The time to convey short messages could also be reduced after the users become more …
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An Airspace Simulator for Separation Management Research
… computed over 900 times faster than real-time. Datalink and radio-telephony communications are modelled between the air traffic and ATM systems. Surveillance is provided through ADS-B-like broadcasts, and an algorithm was developed to automatically merge instructions from conflict resolution …
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Optimal Consumer-Centric Delay-Efficient Security Management in Multi-Agent Networks: A Game and Mechanism Design Theoretic Approach
… layer-specific protocol, the SME_Q, for the datalink layer based on ATM. We develop an extensive simulation software, SMEQSIM, to simulate ATM security negotiations. We simulate the proposed protocol in a comprehensive real-life ATM network and prove the significance of this research work.
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Medications, sex hormones and reproductive factors in relation to gastro-oesophageal cancer risk and survival
… care records from the Clinical Practice Research Datalink (CPRD) database was conducted to examine this association and found furosemide did not improve gastro-oesophageal cancer survival. Also within the CPRD database, use of medications with sex hormonal effects in relation to gastro-oesophageal …
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Drug repurposing : design, emulation and analysis of synthetic in-silico clinical trials using electronic health records and modern data analytics
… primary care database Clinical Practice Research Datalink (CPRD) along with its data structure for data preprocessing. Methods and mechanisms for missing data in clinical studies are also discussed as they will influence model robustness, statistical significance and directional results. In …
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Analytical and simulation performance modelling of indoor infrared wireless data communications protocols
… design of IrDA based IR wireless links at the datalink layer, media access sub-layer, and physical layer and presents protocol performance models with the aim of highlighting the critical factors affecting performance and providing recommendations to system designers for parameter settings and …
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Continuity of Service Provision for Repeat Customers: Empirical Investigations of Continuity of Care in Primary Care Practices
… dataset from the Clinical Practice Research Datalink that collects patient-consultation level electronic health records and is representative of the UK population. From its overall database of over 11 million patients spanning 674 practices, our data consists of the entire medical record of 5 …
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Evaluating the Diagnostic Value and Molecular Mechanisms of Thrombocytosis in Lung Cancer
… data from the Clinical Practice Research Datalink, Hospital Episode Statistics Admitted Patient Care, the National Cancer Registration and Analysis Service, and the UK Biobank. The second phase investigates the cellular processes underpinning the association between thrombocytosis and lung …
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Quantifying the Risk of Beta-Blockers and Non-Steroidal Anti-Inflammatory Drugs in Asthma
… care data from the Clinical Practice Research Datalink (CPRD) was used to define a cohort of people with active asthma, measure the prevalence of beta-blocker and NSAID prescribing, and perform a series of nested case control studies evaluating asthma death, asthma hospitalisation and primary …
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The Epidemiology and Patient Perspectives of Glucocorticoid Use in Rheumatoid Arthritis and Other Inflammatory Diseases
… care data from clinical practice research datalink (CPRD) demonstrated that half of patients with incident RA received GCs in primary care, with an average GC use of 7.5 mg (prednisolone equivalent daily dose, PEQ) for 25% of the time. GCs were prescribed more commonly in certain high-risk …
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Towards Collaborative Scientific Workflow Management System
… other part of the collaborative workflow for the datalink relation among them. In addition to the consistency management, studies show several other challenges that need to be addressed towards a successful design of collaborative SWfMSs, such as sub-workflow composition and execution by different …
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The Physical Health and Healthcare of Autistic Adults
… provided by the Clinical Practice Research Datalink (CPRD), as well as cancer records from the National Cancer Registry and Analysis Service (NCRAS) from Public Health England (PHE). Chapter 9 utilizes the Autism and Healthcare Experiences Survey to identify differences in the healthcare …
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Association of blood lipids, atherosclerosis and statin use with dementia after stroke
… studies using the Clinical Practice Research Datalink (CPRD) for blood lipids, atherosclerosis and statin use, respectively. Given the limitations in the CPRD data, I further used UK Biobank to explore whether the CPRD results could be replicated using similar analytic strategies. Results: My …
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