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Acoustic surface wave delay device

Creator:: Bhaskar, Eldurkar Vamanrao
Abstract:: This thesis is an experimental study of an acoustic surface wave delay line using a Lithium Niobate crystal. A brief theory of operation of the interdigital transducer with its advantages over the other methods of exciting and detecting acoustic surface waves is discussed. The experimental procedure used for evaluation of...
Resource Type:: Masters Thesis
Full Text:: wave acoustic delay lines using Lithium Niobate crystals. The utility of sound for computer memory

Simplified electrical measurements of sound absorption

Creator:: Wagner, Tom B.
Resource Type:: Masters Thesis
Full Text:: Simplified electrical measurements of sound absorption

An electrical method for measuring the sound absorbing properties of acoustic materials

Creator:: Bullis, William Richard
Resource Type:: Masters Thesis
Full Text:: An electrical method for measuring the sound absorbing

A device for investigating wave phonomena by means of sound

Creator:: Jenne, Everett Knowlton
Abstract:: Sound waves are very convenient for the investigation of all wave phenomena with the exception of polarization. They are particularly useful in connection with microwaves because the latter's wave length can be easily duplicated with sound waves, making it possible to obtain the same diffraction pattern for both when confronted...
Resource Type:: Masters Thesis
Full Text:: sound N ABSTRACT OF THE THESIS OP Everett Knowlton Jenne for the LS. in .ys los TNeme) Degree

Sound production in three sympatric Ips (Coleoptera:Scolytidae) species co-inhabiting Sitka spruce (Picea sitchensis)

Creator:: Oester, Paul T.
Abstract:: Three sympatric species of Ips, colonizing Sitka spruce, were investigated with regard to their infestation habits, stridulating apparatus and acoustic signals. The above phenomena are evaluated qualitatively and/or quantitatively and the acoustic signal differences are proposed as a possible factor for maintaining species isolation, although function is not shown. Field...
Resource Type:: Masters Thesis
Full Text:: Sound production in three sympatric Ips

The spring bloom of the silicoflagellate Dictyocha speculum in East Sound, Washington, with respect to certain environmental factors

Creator:: Fagerness, Vicki L.
Resource Type:: Masters Thesis
Full Text:: Silicoflagellate Dictyocha sDeCuluIa in East Sound. Washington. with Respect to Certain Environmental Factors

Boating in Alaska's Prince William Sound : modeling and assessment of recreational use

Creator:: Wolfe, Phillip E.
Abstract:: This study measures the recreational boating use in Prince William Sound, Alaska. Improved access conditions to the Sound over the last decade coupled with a statewide increase in outdoor recreation participation among both resident and out of state tourists have made the Sound a focal point for recreational boating in...
Resource Type:: Masters Thesis
Full Text:: . Title: Boating in Alaska’s Prince William Sound: Modeling and Assessment of Recreational Use

Supervised Hierarchical Segmentation for Bird Bioacoustics

Creator:: Tjahja, Teresa V.
Abstract:: Bioacoustics analysis can be used to conduct environmental monitoring by detecting the presence of birds species. This analysis usually involves identifying the species from their calls. In most frameworks, bird song syllables are extracted from audio recordings and individual syllables are input to a classifier to identify the species. Extraction...
Resource Type:: Masters Thesis
Full Text:: impacts caused by human activities [21]. Bioacoustics studies the sound resulting from animals

Breeding habitat of harlequin ducks in Prince William Sound, Alaska

Creator:: Crowley, David W.
Abstract:: Breeding habitat of Harlequin ducks (Histrionicus histrionicus) was studied in eastern Prince William Sound, Alaska, during 1991 - 1993. Streams in Prince William Sound were surveyed for Harlequin ducks and monitored with mist nets. Physical characteristics of 24 Harlequin breeding streams were compared to those of 24 streams not used...
Resource Type:: Masters Thesis
Full Text:: Sound, Alaska AN ABSTRACT OF THE THESIS OF David W. Crowley for the degree of Master of Science in

Range-use estimation and encounter probability for juvenile Steller sea lions (Eumetopias jubatus) in the Prince William Sound-Kenai Fjords region of Alaska

Creator:: Meck, Stephen R.
Abstract:: Range, areas of concentrated activity, and dispersal characteristics for juvenile Steller sea lions Eumetopias jubatus in the endangered western population (west of 144° W in the Gulf of Alaska) are poorly understood. This study quantified space use by analyzing post-release telemetric tracking data from satellite transmitters externally attached to n...
Resource Type:: Masters Thesis
Full Text:: Steller Sea Lions (Eumetopias jubatus) in the Prince William Sound-Kenai Fjords Region of Alaska

ScholarsArchive@OSU

Acoustic surface wave delay device

Simplified electrical measurements of sound absorption

An electrical method for measuring the sound absorbing properties of acoustic materials

A device for investigating wave phonomena by means of sound

Sound production in three sympatric Ips (Coleoptera:Scolytidae) species co-inhabiting Sitka spruce (Picea sitchensis)

The spring bloom of the silicoflagellate Dictyocha speculum in East Sound, Washington, with respect to certain environmental factors

Boating in Alaska's Prince William Sound : modeling and assessment of recreational use

Supervised Hierarchical Segmentation for Bird Bioacoustics

Breeding habitat of harlequin ducks in Prince William Sound, Alaska

Range-use estimation and encounter probability for juvenile Steller sea lions (Eumetopias jubatus) in the Prince William Sound-Kenai Fjords region of Alaska

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