Search Results - "James, Deryck"

Observations and Models of Turbulence During Heat Events in Complex Urban Coastal Regions Using Multiple Doppler Wind Lidars by Arend, Mark, Ligon, Dave A., James, Deryck, Campmire, Mark J., Melecio-Vazquez, David, Gonzalez, Jorge, Moshary, Fred

“…Multiple Doppler Lidars have been co-operated in the NYC region during the summer of 2018 to provide detailed observations of the turbulent atmosphere…”
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Green's function retrieval and frequency-wavenumber methods for multiple source localization by Denis, Max, Collier, Sandra, Noble, John M., Alberts, W. C. K., Ligon, David A., Sim, Leng K., James, Deryck

“…In this work, Green's function retrieval and frequency-wavenumber methods are employed for multiple source localization in an outdoor environment. The Green's…”
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Acoustic localization using Green’s function retrieval methods and range migration processing by Denis, Max, Collier, Sandra L., Noble, John, Alberts, W. C. Kirkpatrick, Ligon, David, Sim, Leng, James, Deryck D.

“…In this work, Green’s function retrieval and frequency-wavenumber methods are employed to enhance array plane-wave beamforming maps for acoustic source…”
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Broadband acoustic vector sensing in a forested environment by Collier, Sandra L., Denis, Max, Noble, John, Solomon, Latasha, Ligon, David, James, Deryck D., Alberts, W. C. Kirkpatrick, Reiff, Christian G., Sim, Leng

“…The horizontal acoustic particle velocity and acoustic pressure, concurrent with atmospheric data, were collected during a series of outdoor field tests. Here,…”
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Beamforming and range-migration localization algorithms using the retrieved Green's function by Denis, Max, Collier, Sandra L., Noble, John, Alberts, W. C. Kirkpatrick, Ligon, David, Sim, Leng, James, Deryck D., Reiff, Christian G.

“…In this work, the localization of acoustic noise sources and scatterers in an outdoor environment using Green's function retrieval methods is presented. Of…”
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Outdoor acoustic tomography using retrieved Green’s function from controlled-sources: An Experimental Feasibility Study by Denis, Max, Collier, Sandra L., Noble, John, Alberts, W. C. Kirkpatrick, Ligon, David, Sim, Leng, Reiff, Christian G., James, Deryck D.

“…In this work, outdoor acoustic tomography is investigated using the retrieve Green's function originating from a virtual source located inside a region of…”
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Propagation effects on acoustic particle velocity sensing by Collier, Sandra L., Denis, Max, Ligon, David, Solomon, Latasha, Erikson, Madeline M., Noble, John, Alberts, W. C. Kirkpatrick, Sim, Leng, Reiff, Christian G., James, Deryck D.

“…The effects of atmospheric turbulence on the acoustic particle velocity are examined for both narrow-band and wide-band sources. The statistical distributions…”
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Performance of Green’s function retrieval methods for various sound source distributions: Application to outdoor acoustic propagation by Denis, Max, Collier, Sandra L., Noble, John, Alberts, W. C. Kirkpatrick, Ligon, David, Sim, Leng, Reiff, Christian G., James, Deryck D.

“…In this work, Green’s function retrieval methods for an outdoor acoustic propagation channel are presented. Green’s function retrieval methods by…”
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Atmospheric effects on acoustic vector sensing by Collier, Sandra L., Denis, Max, Solomon, Latasha, Ligon, David, Noble, John, Alberts, W. C. Kirkpatrick, Sim, Leng, Reiff, Christian G., James, Deryck D.

“…Two-dimensional acoustic particle velocity and acoustic pressure, concurrent with atmospheric data, were collected during a series of field tests. It was found…”
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Acoustic remote sensing for source localization and atmospheric tomography: Applications of the cross-correlation Green's function retrieval method by Denis, Max F., Collier, Sandra L., Noble, John M., Kirkpatrick Alberts, W. C., Ligon, David A., Sim, Leng K., James, Deryck, Reiff, Christian G.

“…In this work, the application of the cross-correlation Green's function retrieval method for source localization and atmospheric acoustic tomography is…”
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Green's function extraction by crosscorrelation and multidimensional deconvolution for outdoor sound propagation by Denis, Max F., Collier, Sandra L., Noble, John M., Kirkpatrick Alberts, W. C., Ligon, David A., Sim, Leng K., James, Deryck, Reiff, Christian G.

“…In this work, the Green's function is estimated from outdoor measurements of controlled-sources. Crosscorrelation and multidimensional deconvolution have…”
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Direct on-strip analysis of size- and time-resolved aerosol impactor samples using laser induced fluorescence spectra excited at 263 and 351 nm by Wang, Chuji, Pan, Yong-Le, James, Deryck, Wetmore, Alan E., Redding, Brandon

“…[Display omitted] •A dual wavelength UV-LIF spectra-rotating drum impactor (RDI) technique was developed.•The technique was demonstrated by direct on-strip…”
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LoRaWAN Testing for Military Communications in Urban Environments by Michaelis, James, Morelli, Alessandro, Hernandez, Luis, James, Deryck, Freeman, Jade, Suri, Niranjan

“…The LoRaWAN communication protocol has gained significant adoption within commercial IoT systems through support for low power, long range transmission…”
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Leveraging LoRaWAN to Support IoBT in Urban Environments by Michaelis, James, Morelli, Alessandro, Raglin, Adrienne, James, Deryck, Suri, Niranjan

“…Continued advances in IoT technology have prompted new investigation into usage of Commercial-off-the-Shelf (COTS) technologies for military operations. Key to…”
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Sedimentary processes in the formation of the new red sandstone of south devonshire by Laming, Deryck James Colson

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