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Showing 1 to 20 of 203 for “"narrow-band"”.

  1. Topological phases in narrow-band systems

    Tang, Evelyn (Evelyn May Yin)Massachusetts Institute of Technology2015

    … interactions and lattice effects especially narrow-band systems. The first realizes the fractional quantum Hall effect using geometric frustration and ferromagnetism to obtain a nearly flat band with a large bandgap and non-zero Chern number. This system can support this effect at high …

    mit Repository record

  2. Capacitive transducers for narrow-band vibratory displacements

    Whitman, John G. (John Gilbert)Massachusetts Institute of Technology1962

    Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering, 1962.

    mit Repository record

  3. Narrow-band noise performance of pumped nonlinear systems.

    Prabhu, Vasant KrishnaMassachusetts Institute of Technology1966

    Massachusetts Institute of Technology. Dept. of Electrical Engineering. Thesis. 1966. Sc.D.

    mit Repository record

  4. Nonlinear filtering for narrow-band time delay estimation

    Tobenkin, Mark MMassachusetts Institute of Technology2009

    … spatial aliasing, which results from tracking narrowband, high frequency sources. I develop a theoretical model for the evolution of each TDoA from a bound placed on the velocity of the target being tracked. This model enables an efficient form of exact marginalization. I then present …

    mit Repository record

  5. Efficient narrow-band speech transmission over land mobile channels.

    Goubran, Rafik A.Carleton University1987

    … the problems of speech quality, and channel bandwidth efficiency, for speech transmission in mobile communications.In the first part, a flexible, real-time, programmable, mobile radio channel simulator is proposed. The conventional basic configuration of the simulator was augmented with …

    carleton Repository record

  6. Efficiency Considerations in Narrow-Band Gallium-Arsenide Acoustoelectric Devices

    Miller, Robert LewisUniversity of Illinois at Urbana-Champaign2014

    Power loss mechanisms are investigated in high-power SAW-based acoustoelectric devices on gallium arsenide. Power losses in reflective UHF SAW driving transducers often used in such devices are studied by a detailed coupled-mode model. The results of this model (which show excellent agreement with …

    uiuc Repository record

  7. Performance of narrow band internet of things (NBIoT) networks

    Bhebhe, MbongeniDepartment of Electrical Engineering2019

    Narrow Band Internet of Things (NBIoT) is a Low Power Wide Area Network (LPWAN) technology that has been standardised by 3GPP in Release 13 to work in cellular networks [15]. The main characteristics of NBIoT are its extended coverage compared to other cellular technologies such as LTE; its high …

    cape-town Repository record

  8. Digital analysis of narrow band imagery of the Cygnus loop

    Hester, John JeffreyRice University1983

    Digital analysis of narrow passband direct imagery of a field in the southeast part of the Cygnus Loop SNR is presented. Calibrated surface brightness and spectral line ratio maps involving emission lines from six different ionic species are shown. The detailed morphology of the remnant and …

    rice Repository record

  9. Magnetic Phases of Narrow-Band Solids in the Hubbard Model

    Yang, BunliUniversity of Illinois at Urbana-Champaign2015

    Made available in DSpace on 2015-05-12T22:38:57Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 7317672.PDF: 2503839 bytes, checksum: d5d3e90ca34eaa190d6479c89beb6349 (MD5) Previous issue date: 1973

    uiuc Repository record

  10. Magnetic phases of narrow band solids in the Hubbard model

    Yang, Bunli2012

    Submitted by William Weathers (weathrs2@illinois.edu) on 2012-04-16T20:55:20Z No. of bitstreams: 1 1973_yang.pdf: 2675575 bytes, checksum: 6b06bcc6d9897891d92eebafed933fe4 (MD5)

    uiuc Repository record

  11. Dynamic polarizability and collective modes in narrow-band electron systems

    Lewandowski, Cyprian(Cyprian Krzysztof)Massachusetts Institute of Technology2020

    … This thesis analyzes the impact of the ultranarrow Bloch bands and strong electron-electron interactions on the dynamical polarization response of these systems. Strong interactions alter the collective charge dynamics in a number of interesting ways, in particular by stiffening the …

    mit Repository record

  12. Weak narrow-band signal detection in multivariate non-gaussian clutter

    Sistanizadeh, Mohammad K.Virginia Polytechnic Institute and State University1986

    … of non-linear receivers for detection of weak narrow-band signals in multivariate non-Gaussian clutter. The novelty of the detection scheme lies in the utilization of both the complex measurement and the multivariate non-Gaussian character of the clutter. Two clutter models are developed based …

    vt Repository record

  13. Search for vμ --> ve oscillations in a narrow band neutrino beams

    O'Brien, Edward John2011

    … the oscillation vmu => ve was performed using a narrow band ve beam produced by the AGS at Brookhaven National Lab. Both the v, and Ve reactions in our detector are analyzed. The number of v, events found in the detector is compared to the expected background from Monte Carlo calculations and an …

    uiuc Repository record

  14. Active narrow band vibration isolation of machinery noise from resonant substructures

    Scribner, Kelvin BruceMassachusetts Institute of Technology1990

    Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1990.

    mit Repository record

  15. Filter Design for Interference Cancellation for Wide and Narrow Band RF Systems

    Zargarzadeh, MohammadRezaVirginia Tech2016

    … They are employed for different purposes of band selection, channel selection, interference cancellation, image rejection, etc. These are all translated in selecting the wanted signal while mitigating the rest. This can be performed by either selecting the desired frequency range by a band …

    vt Repository record

  16. Investigations into Optically Controlled Phase Contrast, Polarisation Switchable Narrow Band RF Detection Techniques.

    Quinlan, TJ2015

    This thesis describes an investigation into S-band microwave frequency phase-contrast imaging. Resolution is a critical issue so system enhancements such as optical remote connection and polarisation-dependant sensing have been implemented within an end-to-end sensing system. Initially, the …

    essex Repository record

  17. Characterization of as-grown and annealed narrow band gap nitrides grown by molecular beam epitaxy

    Reifsnider, Jason Miles, 1967-The University of Texas at Austin2003

    The application of narrow band gap nitrides to optoelectronic devices is a rapidly growing field, with the promise to supplant existing material systems used for optical fiber communications. While the field is relatively new, significant device advancements have occurred. These improvements have …

    texas Repository record

  18. Growth of narrow band gap semiconductor nanowires on silicon and graphitic substrates by droplet epitaxy

    Anyebe, Ezekiel, Zhuang, QiandongLancaster University2015

    This thesis is focused on the growth of narrow band gap semiconductor nanowires (NWs) on silicon and graphite by droplet epitaxy. First, the growth conditions of In droplets suitable for the nucleation of NWs was identified. Vertically-aligned and non-tapered InAs NWs were then realized on bare Si. …

    lancaster Repository record

  19. First passage and other failure criteria in narrow-band random vibration: a discrete state approach.

    Vanmarcke, Erik Hector Eugene JosephMassachusetts Institute of Technology1970

    Massachusetts Institute of Technology. Dept. of Civil Engineering. Thesis. 1970. Ph.D.

    mit Repository record

  20. Microperforated Panel (MPP) Absorbers for Impulsive and Narrow-Band Noise Control: Design, Simulation, and Experimental Validation

    Ray, SubhrodeepTemple University. Libraries2025

    … forms of such pollution are impulsive and narrow-band noises, which are often tonal, repetitive, and difficult to suppress using conventional mitigation strategies. The rapid rise of pickleball as a recreational sport has sparked widespread noise complaints, primarily due to the sport's …

    temple Repository record

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