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 195 for “"beacon"”.
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Beacon Island Hotel
Until the First World War the luxury of vacation and travel had been the prerogative of the privileged. Today, however, with cheaper and faster means of travel, most of our transport difficulties have been solved, making such a luxury economically possible for the average person; while holidays are …
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Beacon Satellite Studies of Small Scale Ionospheric Inhomogeneities
Made available in DSpace on 2014-12-08T22:23:36Z (GMT). No. of bitstreams: 1 6500862.pdf: 2258159 bytes, checksum: 75adaf0129b0293458317359254db784 (MD5) Previous issue date: 1964
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A comparison of digital beacon receiver frequency estimators
… of the roots of a polynomial. For the digital beacon receiver problem investigated here both algorithms perform similarly in two important respects. First both algorithms can lock onto a carrier signal whose frequency is drifting at the rate of 5 Hertz per second in a noise environment …
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Parallel processor architecture for a digital beacon receiver
A digital beacon receiver has been developed to monitor the OLYMPUS satellite beacons. The receiver accepts a nominal 10 MHz IF input and processes the signal using digital signal processing techniques. Fast Fourier transforms are used to locate the carrier within 0.5 Hz. The outputs of the …
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Passive mobile robot localization within a fixed beacon field
This thesis describes a geometric algorithm for the localization of mobile nodes in networks of sensors and robots using bounded regions, in particular we explore the range-only and angle-only measurement cases. The algorithm is a minimalistic approach to localization and tracking when dead …
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Design of a satellite beacon receiver for ionospheric remote sensing
In today's world of communication, satellite communication plays an important role. The communication between ground stations and satellites orbiting the earth at high altitudes needs to be increasingly accurate to handle today's data flow requirements. The study of the ionosphere allows engineers …
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Designing in context : a new building for Boston's Beacon Hill
… building. The design will be set on Boston's Beacon Hill, an architecturally rich area that has been designated as a National Historical Landmark by the National Parks Service. The site itself is a relatively large parcel of land located on the Hill's North Slope, an area of somewhat …
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A renewal proposal for the North Slope of Beacon Hill
Thesis (M.C.P.)--Massachusetts Institute of Technology, Dept. of City Planning, 1960.
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Computationally Designed Peptide Binder and Molecular Beacon for SARS-CoV-2
… mutagenesis. We also present a molecular beacon that detects SARS-CoV-2 spike protein through a conformational switch. Our molecular beacons contain two peptides that can form a parallel heterodimer and a binding ligand between them to detect the SARS-CoV-2 spike protein. A …
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Four Black Boxes and a Beacon: A Theater for Roanoke, Virginia
A proposition for a theater in Roanoke, Virginia is the vehicle for the exploration of architectural ideas on space, form, materiality, and atmosphere. The thesis developed through a series of models and drawings that studied oppositions in mass, scale, transparency, opacity, and most importantly, …
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Optimization of Molecular Beacon-Based Multicomponent Probes for Analysis of Nucleic Acids
Detection of single nucleotide substitutions (SNS) in DNA and RNA has a growing importance in biology and medicine. One traditional approach for recognition of SNS takes advantage of hybridization probes that bind target nucleic acids followed by measuring ?Tm, the difference in melting …
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Calibration of a SuperDARN Radar Antenna by means of a Satellite Beacon
… the reception of the high frequency (HF) beacon signal from the 1 U CubeSat ZACUBE 1 by the SuperDARN HF radar in Antarctica, and by the HF direction-finding (DF) systems in both Pretoria and Hermanus. The primary objective of the HF beacon on ZACUBE 1 is to provide a continuous radio …
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A female in the elementary school principal's office: a beacon for women
The elementary principal is a key person in public schools. Few studies have examined women in this position in depth and detail. This study tells the story of one female elementary principal, Peggy Moles. Using interviews, surveys, observations, contact logs, and reviews of relevant documents, …
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Byzantine faulty operation recovery and cost analysis of SPURT: A distributed randomness beacon
… existing constructions of distributed random beacons still have limitations such as strong setup or network assumptions, and high computational and communication costs. SPURT a novel efficient distributed randomness beacon protocol does not require any trusted or expensive setup and is secure …
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Design and Implementation of a Practical Aircraft Position and Reporting Identification Beacon (PRIB)
… as the Positioning and Reporting Identification Beacon (PRIB) system. Due to size, mass, power, and financial constraints, the design must be small, light, power efficient, and cost-effective. The PRIB will acquire the aircraft's position from a dedicated GPS receiver and then transmit this …
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A Low Power Beacon for Transmitting Location Data via the Globalstar Satellite System
… has become a high priority. There are several beacons on the commercial market that will meet this need if the required beacon does not need to be independently powered or to have global coverage. This thesis attempts to find a design solution for a beacon that transmits location data, is …
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Architecture for a Regional Food System: A Food Hub for the Beacon Hill Neighborhood
… focusing on the design of a food hub for the Beacon Hill neighborhood. The goals for such a food hub will be to engage the community by deriving its program from the existing and desired elements within the community.This thesis will improve the quality of public space by providing opportunity …
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Laser beacon tracking for free-space optical communication on small-satellite platforms in low-earth orbit
… existing attitude sensors. Miniaturized laser beacon tracking system, on the other hand, has the potential to provide precise ground-based attitude knowledge, enabling laser communication to be accomplished on small-satellite platforms. This thesis details the development of a CubeSat-sized …
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