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 2129 for “"terrestrial"”.
-
Efficient radio resource management in integrated terrestrial and non-terrestrial networks
… and unlimited wireless coverage. However, the terrestrial deployment of 5G networks poses a limitation in achieving a truly ubiquitous and seamlessly connected network. To this end, it has been proposed to integrate terrestrial networks (TNs) with non-terrestrial networks (NTNs), such as …
-
Infrasound Propagation in Terrestrial Planetary Atmospheres
… are present (and may be detected) on other terrestrial planets with similar atmospheric structures.</p> <p>Using a one-dimensional, nonlinear, compressible atmospheric acoustics model, this thesis seeks to investigate the propagation and dissipation of atmospheric acoustic waves in different …
-
Spectral studies of extra-terrestrial materials
… is suitable for use on spectroscopy of terrestrial and extra-terrestrial materials. This new instrument brings advantages that cannot be found in instruments currently in use: it requires only extremely small samples (min of -2 um) and it is very quick to use (little sample preparation …
-
Isoprene Degradation in the Terrestrial Environment
Isoprene production comprises of one third of the total global hydrocarbon release, and influences atmospheric chemistry, including increasing global temperatures and raising ozone concentrations. Although isoprene production, and the chemical attenuation of isoprene have been well studied, …
-
Modeling and Observing Atmospheres of Terrestrial Exoplanets
… in greater detail. Now that we can characterize terrestrial planets and their atmospheres, this dissertation features several theoretical works that study atmospheric dynamics and infer observability. First, we explore the processes of non-collisional atmospheres to determine the tendency of …
-
Biogeography and conservation of terrestrial afrotropical birds
… aimed to describe patterns of distribution in terrestrial Afrotropical birds, to investigate the causes of these patterns, and examine how aspects of distributional patterns may be used to prioritize local regions for conservation attention. Presence-only data were gathered and digitized at …
-
The Union of Aerial and Terrestrial Forces
Environmentally sensitive architecture is rapidly staking its claim on the building community. The structures that are being constructed to fulfill the increasing public demand for "green buildings" are not currently utilizing their unique potential to physically portray their inherent …
-
Tracking Human Movement Indoors Using Terrestrial Lidar
… Tech as a case study, this research leverages 11 terrestrial lidar sensors to develop a dynamic digital model that continuously captures human activities within public spaces of the building. Three distinct object detection methodologies were evaluated: deep learning models, OpenCV-based …
-
Structure and Reactivity of Terrestrial and Extraterrestrial Pyrrhotite
… a non-stoichiometric iron monosulfide common in terrestrial rocks, ore deposits, and many extraterrestrial materials. The non-stoichiometry due to metal vacancies relates to a variety of composition-dependent crystallographic superstructures, but little of the existing structural and …
-
Terrestrial radio wave propagation at millimeter-wave frequencies
This research focuses on radio wave propagation at millimeter-wave frequencies. A measurement based channel characterization approach is taken in the investigation. First, measurement techniques are analyzed. Three types of measurement systems are designed, and implemented in measurement campaigns: …
-
Hydrocode modeling of oblique impacts into terrestrial planets
… can chemically equilibrate deep in a terrestrial magma ocean.</p> <p>The largest known impact on the Moon formed the South Pole-Aitken (SP-A) basin and excavated material as deep as the mantle. Here I suggest that large impacts eject enough material to cover the farside of the Moon. …
-
Single-Frequency Network Terrestrial Broadcasting with 5GNR Numerology
L'abstract è presente nell'allegato / the abstract is in the attachment
-
Noble gases anomalies in terrestrial ores and meteorites
<p>"Analyses of the content and isotopic composition of xenon and krypton in terrestiral ores containing tellurium, selenium or iodine resulted in the following conclusions: 1. The double beta-decay half-life for ¹³⁰Te is 2.51 x 10²¹ years from analysis of tellurobismuthite from Boliden, Sweden and …
-
Bacterial Degradation of Isoprene in the Terrestrial Environment
… is produced enzymatically in the chloroplast of terrestrial plants from dimethylallyl pyrophosphate via the methylerythritol pathway. The main role of isoprene emission by plants is to reduce the damage caused by heat stress through stabilizing cellular membranes. Isoprene emission from microbes, …
-
Teflon pyrolysis in terrestrial and reduced gravity environments
Includes bibliographical references (pages 52-53).
-
Search for fractionally charged particles in terrestrial samples
We have performed a geophysical search for fractionally charged particles (mainly ql quarks) in sea water and rock sample's. The samples,chosen were ten rock samples, which are believed to have been at the earth's surface for a long time, and two three-liter sea water samples. The samples were run …
-
The historical biogeography of terrestrial gamebirds (Aves: Galliformes)
Whilst the phylogenetic relations of gamebirds are now well understood, there is a great lack of consensus on their biogeographical relationships. It has been suggested that the basal galliform clades, namely the megapodes from Australasia and the cracids from South and Central America, have their …
-
Terrestrial heat flow in North Central United States.
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth and Planetary Sciences, 1970.
Page 1 of 107