Last edited by Tugal
Sunday, May 3, 2020 | History

3 edition of An acoustic charge transport imager for high definition television applications found in the catalog.

An acoustic charge transport imager for high definition television applications

An acoustic charge transport imager for high definition television applications

semi-annual report

by

  • 312 Want to read
  • 7 Currently reading

Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC, Springfield, Va .
Written in English

    Subjects:
  • Avalanche diodes.,
  • Charge transfer.,
  • Charge transfer devices.,
  • Chips (Electronics),
  • High definition television.,
  • Imaging techniques.,
  • Sound transmission.

  • Edition Notes

    StatementW.D. Hunt and K.F. Brennan and C.J. Summers.
    SeriesNASA contractor report -- NASA CR-197841.
    ContributionsBrennan, K. F., Summers, C. J., United States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15413849M

    The first digital high-speed video camera was developed in Since then, the highest frame rate has exponentially increased from about 10³ fps (frames per second) to 10⁸ fps, and will reach. E&T News for keyword: [control-applications] solar-powered public transport and high-speed long-distance travel in pods through depressurised tubes. "These now include high-definition cameras with heavy lenses, chemical sniffers, and imaging cameras that can look through a few inches of dirt," he explains, along with sensors designed to. Inverse Transport Theory of Photoacoustics Guillaume Bal Department of Applied Physics & Applied Mathematics, Columbia University, New York, NY E-mail: [email protected] A. Library of Congress Cataloging-in-Publication Data (Revised for vol. 8) NASA historical data book. (NASA SP- ) Vol. 1 is a republication of NASA historical data book, –/ Jane Van Nimmen and Leonard C. Bruno. Vol. 8 in series: The NASA historical data book series. Includes bibliographical references and indexes.


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An acoustic charge transport imager for high definition television applications Download PDF EPUB FB2

AN ACOUSTIC CHARGE TRANSPORT IMAGER FOR HIGH DEFINITION TELEVISION APPLICATIONS NASA Grant #NAGW W.D. Hunt and K.F. Brennan School of Electrical and Computer Engineering and C.J.

Summers Georgia Tech Research Institute Georgia Institute of Technology Atlanta, Georgia Second Semiannual Report for FY AN ACOUSTIC CHARGE TRANSPORT IMAGER FOR HIGH DEFINITION TELEVISION APPLICATIONS NASA Grant #NAG\V \V.D.

Hunt and K.F. Brennan School of Electrical and Computer Engineering and C.J. Summers Georgia Tech Research Institute Georgia Institute of Technology Atlanta, Georgia Annual Report for FY Get this from a library. An acoustic charge transport imager for high definition television applications.

[W D Hunt; K F Brennan; C J Summers; United States. National Aeronautics and Space Administration.]. Get this from a library. An acoustic charge transport imager for high definition television applications: first semiannual report for FY ' [W D Hunt; K F Brennan; C J Summers; United States.

National Aeronautics and Space Administration.]. Looking for abbreviations of ACT. It is Acoustic Charge Transport. Acoustic Charge Transport listed as ACT. Acoustic Charge Transport - How is Acoustic Charge Transport abbreviated.

An interference cancellation system for EW applications has been developed that utilizes acoustic charge Acoustic Charge Transport Device; acoustic circuit.

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Video on Demand (VOD) consists of a wide set of. Photo-Acoustic Measurement of Thermal Conductivity of Thin Films and Bulk Materials The photoacoustic (PA) technique is one of many techniques for measuring thermal con-ductivity of thin films.

Compared with other techniques for thermal conductivity measure-ment, the photoacoustic method is relatively simple, yet is able to provide accurate ther.

The ability to manipulate these fundamental properties makes the use of metamaterials highly interesting for acoustic applications in general and for ultrasonic imaging in particular, where there are applications ranging from diagnostic biomedical imaging to non-destructive evaluation (NDE).

As an example, ultrasound is widely used to test industrial products such as concrete, 6,7 by: 7. Sound absorption can be quantified by means of a sound absorption coefficient α, which ranges between 0 and 1 and is usually a function of frequency.

Zero means that all incident energy is being reflected back into the environment and α = 1 means that all energy is being dissipated in. Sound waves that the average human ear can hear, called audible sound waves, have frequencies between 20 and 20 Hz. The frequency of an audible sound wave determines how high or low we perceive the sound to be, which is known as pitch.

The metal–oxide–semiconductor field-effect transistor (MOSFET, MOS-FET, or MOS FET), also known as the metal–oxide–silicon transistor (MOS transistor, or MOS), is a type o.

The imager became known as the HD-DPM (high-definition-dynamic pixel management) imager. Use is made of the simple numerical relationship between the scanning formats. By choosing pixels vertically (Table ) the SDTV scanning formats (i, i, p) could also be derived at that same image diagonal of 11 mm.

A multichannel sound system was developed for ultrahigh-definition TV. The improvement in the spatial quality created by this system as compared to that of two-dimensional sound was evaluated and reported in previous papers.

The first experiment on large-scale live production and transmission of multichannel sound with ultrahigh-definition video was carried out to show the. An optical fiber is a flexible, transparent fiber made by drawing glass or plastic to a diameter slightly thicker than that of a human hair.

Optical fibers are used most often as a means to transmit light between the two ends of the fiber and find wide usage in fiber-optic communications, where they permit transmission over longer distances and at higher bandwidths (data rates) than electrical. Proc. SPIEUltrahigh- and High-Speed Photography, Videography, and Photonics, pg 2 (19 January ); doi: /   Linear Acoustic, a world leader in television audio control, announces that Minnetonka Audio Software, an award-winning solutions provider for Author: Debra Pagan.

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The purpose of all of this equipment, as stated in the introduction to this article, is to extend the human senses of vision and. The Online Books Page. Online Books by. Langley Research Center. A Wikipedia article about this author is available.

Langley Research Center: A Computer Program for the Determination of the Acoustic Pressure Signature of Helicopter Rotors Due to Blade Thickness (NASA Technical Memorandum X; ), also by Gerald H. Mall and F. Farassat (page images at HathiTrust). A practical route for the steerable sound transport along any arbitrary acoustic pathway, especially in a three-dimensional (3D) acoustic network, can revolutionize the sound power propagation and the sound communication.

Here, we design an acoustic device containing a regular-tetrahedral cavity with four cylindrical by: 2. BOOK - For class consists of two or more sheets secured together, in the manner recited in the class definition of Class BOOK - For class Two or more sheets* secured together only at their margins or at a portion thereof, in particular, the outside limit or edge and adjoining surface of the sheets.

acoustic field will be changed. Consequently, it affects on the acoustic imaging, so that the obtained image is changed. However, the defective transducers have been using in prac-tical diagnosis and it is known that the discrimination be-tween the images by a defective probe and by a normal one is.

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where acoustic quality is an elementary distinguishing feature, since the masking of an internal combustion engine (ICE) is no longer present (1). Despite the importance of the acoustic quality, there is a general lack of knowledge of how to measure, interpret, and rate the high frequency noise generated by an electric powertrain (2).

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This scattering approach enables straightforward computation of acoustic scattering in a moving-medium frame, being particularly efficient for periodic noise : Leonidas Siozos-Rousoulis, Orestis Amoiridis, Zhongjie Huang, Tim De Troyer, Anestis I.

Kalfas, Ghad. Introduction. Coherent underwater acoustic communications are challenged by acoustic channels, which are often characterized as time-varying, dispersive, sparse, etc.[]Therefore, much of the recent research has been focused on the development of channel equalizers to remove intersymbol interference (ISI) in multipath environments, especially for high-rate coherent by: 7.

A Chorus Section Detection Method for Musical Audio Signals and Its Application is useful in various practical applications. In music browsers or In this process, the similarity must be high be-tween acoustic features even if the accompaniment or melody line changes somewhat in the repeated section (e.g., the absence.

In high definition audio media such as SACD and DVD-audio, wide frequency range far beyond 20 kHz is used. However, the auditory characteristics for the frequencies higher than 20 kHz have not been necessarily understood. At the first step to make clear the characteristics, we conducted a psycho-acoustic and a auditory brain-stem response(ABR) measurement for the sound signals in the.

A discipline that deals generally with the extraction of information from acoustic signals in the presence of noise and uncertainty. Acoustic signal processing has expanded from the improvement of music and speech sounds and a tool to search for oil and submarines to include medical instrumentation; techniques for efficient transmission, storage, and presentation of music and speech; and Author: Theodore G.

Birdsall. Quantitative photoacoustic imaging: fitting a model of light transport to the initial pressure distribution B. Coxa, S. Arridgeb, K. K¨ostlia and P. Bearda a Department of Medical Physics and Bioengineering, University College London, Gower Street, London WC1E 6BT, UKCited by: Finally, audible acoustic energy is very prevalent in our environment.

Although there exists a great deal of noise (which can be useful or harmful in acoustic measurements), there is a plethora of intentional acoustic energy such as tones, voices and music. This is the type of acoustic energy that is the focus of the work presented here.

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