Search Results - "Barnard, Andrew"

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    Multi-modal and short-range transmission loss in thin, ice-covered, near-shore Arctic waters by Penhale, Miles B., Barnard, Andrew R., Shuchman, Robert

    “…In the past century, extensive research has been done regarding the sound propagation in Arctic ice sheets. The majority of this research has focused on…”
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    Journal Article
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    Experimental quantification of the true efficiency of carbon nanotube thin-film thermophones by Bouman, Troy M., Barnard, Andrew R., Asgarisabet, Mahsa

    “…Carbon nanotube thermophones can create acoustic waves from 1 Hz to 100 kHz. The thermoacoustic effect that allows for this non-vibrating sound source is…”
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    Journal Article
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    Through-Ice Acoustic Source Tracking Using Vision Transformers with Ordinal Classification by Whitaker, Steven, Barnard, Andrew, Anderson, George D., Havens, Timothy C.

    Published in Sensors (Basel, Switzerland) (22-06-2022)
    “…Ice environments pose challenges for conventional underwater acoustic localization techniques due to their multipath and non-linear nature. In this paper, we…”
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    Journal Article
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    Near field acoustic holography measurements of carbon nanotube thin film speakers by Asgarisabet, Mahsa, Barnard, Andrew R., Bouman, Troy M.

    “…Carbon nanotube (CNT) thin film speakers produce sound with the thermoacoustic effect. Better understanding of the physical acoustic properties of these…”
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    Journal Article
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    The Schistosoma mansoni Cytochrome P450 (CYP3050A1) Is Essential for Worm Survival and Egg Development by Ziniel, Peter D, Karumudi, Bhargava, Barnard, Andrew H, Fisher, Ethan M S, Thatcher, Gregory R J, Podust, Larissa M, Williams, David L

    Published in PLoS neglected tropical diseases (01-12-2015)
    “…Schistosomiasis affects millions of people in developing countries and is responsible for more than 200,000 deaths annually. Because of toxicity and limited…”
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    Journal Article
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    Dual‐Gate Organic Electrochemical Transistors for Marine Sensing by Wu, Shuo‐En, Yao, Lulu, Shiller, Alan, Barnard, Andrew H., Azoulay, Jason David, Ng, Tse Nga

    Published in Advanced electronic materials (01-06-2021)
    “…Monitoring dissolved oxygen is essential to marine research, but the high redox potentials required to drive sensing reactions have posed an ongoing…”
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    Journal Article
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    Frequency domain measurements of melt pool recoil force using modal analysis by Cullom, Tristan, Lough, Cody, Altese, Nicholas, Bristow, Douglas, Landers, Robert, Brown, Ben, Hartwig, Troy, Barnard, Andrew, Blough, Jason, Johnson, Kevin, Kinzel, Edward

    Published in Scientific reports (26-05-2021)
    “…Recoil pressure is a critical factor affecting the melt pool dynamics during Laser Powder Bed Fusion (LPBF) processes. Recoil pressure depresses the melt pool…”
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    Journal Article
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    Feasibility of a high-powered carbon nanotube thin-film loudspeaker by Barnard, Andrew R, Jenkins, David M, Brungart, Timothy A, McDevitt, Timothy M, Kline, Brian L

    “…The thermophone, conceived in 1917 by Arnold and Crandall, was a unique thermoacoustic loudspeaker. The high heat capacity per unit area (HCPUA) of thin-film…”
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    Journal Article
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    Selecting HyperNav deployment sites for calibrating and validating PACE ocean color observations by Chamberlain, Paul, Frouin, Robert J., Tan, Jing, Mazloff, Matthew, Barnard, Andrew, Boss, Emmanuel, Haëntjens, Nils, Orrico, Cristina

    Published in Frontiers in remote sensing (17-07-2024)
    “…A novel ocean profiling float system for calibrating and validating satellite-based ocean color observations has been developed and tested. The float-based…”
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    Journal Article
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    The Development and Validation of a Profiling Glider Deep ISFET-Based pH Sensor for High Resolution Observations of Coastal and Ocean Acidification by Saba, Grace K., Wright-Fairbanks, Elizabeth, Chen, Baoshan, Cai, Wei-Jun, Barnard, Andrew H., Jones, Clayton P., Branham, Charles W., Wang, Kui, Miles, Travis

    Published in Frontiers in Marine Science (30-10-2019)
    “…Coastal and ocean acidification can alter ocean biogeochemistry, with ecological consequences that may result in economic and cultural losses. Yet few time…”
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    Journal Article
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    A float-based Ocean color vicarious calibration program by Barnard, Andrew, Boss, Emmanuel, Haëntjens, Nils, Orrico, Cristina, Chamberlain, Paul, Frouin, Robert, Mazloff, Matthew, Tan, Jing

    Published in Frontiers in remote sensing (05-08-2024)
    “…Ocean color satellites require a procedure known as System Vicarious Calibration (SVC) after launch as the pre-launch and on-orbit calibration accuracy is…”
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    Journal Article
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    Reconstructing hyper-spectral downwelling irradiance from multi-spectral measurements by Tan, Jing, Frouin, Robert, Häentjens, Nils, Barnard, Andrew, Boss, Emmanuel, Chamberlain, Paul, Mazloff, Matt, Orrico, Cristina

    Published in Frontiers in remote sensing (14-03-2024)
    “…Checking the radiometric calibration of satellite hyper-spectral sensors such as the PACE Ocean Color Instrument (OCI) while they operate in orbit and…”
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    Journal Article
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    Design and verification of a highly accurate in-situ hyperspectral radiometric measurement system (HyperNav) by Barnard, Andrew, Boss, Emmanuel, Haëntjens, Nils, Orrico, Cristina, Frouin, Robert, Tan, Jing, Klumpp, Justin, Dewey, Michael, Walter, David, Mazloff, Matthew, Chamberlain, Paul

    Published in Frontiers in remote sensing (28-06-2024)
    “…Hyperspectral optical observations of the Earth’s surface oceans from space offer a means to improve our understanding of ocean biology and biogeochemistry…”
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    Journal Article
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    A model for estimating bulk refractive index from the optical backscattering ratio and the implications for understanding particle composition in case I and case II waters by Twardowski, Michael S., Boss, Emmanuel, Macdonald, Jacob B., Pegau, W. Scott, Barnard, Andrew H., Zaneveld, J. Ronald V.

    Published in Journal of Geophysical Research (15-07-2001)
    “…A model based on Mie theory is described that estimates bulk participate refractive index n¯p from in situ optical measurements alone. Bulk refractive index is…”
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    Journal Article
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    Best Practices for Sea-Bird Scientific deep ISFET-based pH sensor integrated into a Slocum Webb Glider by Thompson, Theodore, Saba, Grace K., Wright-Fairbanks, Elizabeth, Barnard, Andrew H., Branham, Charles W.

    Published in OCEANS 2021: San Diego – Porto (20-09-2021)
    “…The processes driving ocean and coastal acidification are highly dynamic, especially in highly productive and economically valuable coastal marine ecosystems…”
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    Conference Proceeding
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    Open Source Waste Plastic Granulator by Ravindran, Arvind, Scsavnicki, Sean, Nelson, Walker, Gorecki, Peter, Franz, Jacob, Oberloier, Shane, Meyer, Theresa K., Barnard, Andrew R., Pearce, Joshua M.

    Published in Technologies (Basel) (01-12-2019)
    “…In order to accelerate deployment of distributed recycling by providing low-cost feed stocks of granulated post-consumer waste plastic, this study analyzes an…”
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    Journal Article
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    Design and implementation of a shielded underwater vector sensor for laboratory environments by Barnard, Andrew R., Hambric, Stephen A.

    “…Underwater acoustic vector sensors, for measuring acoustic intensity, are typically used in open water where electromagnetic interference (EMI) is generally…”
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    Journal Article
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    Underwater measurement of narrowband sound power and directivity using Supersonic Intensity in Reverberant Environments by Barnard, Andrew R., Hambric, Stephen A., Maynard, Julian D.

    Published in Journal of sound and vibration (13-08-2012)
    “…A laboratory underwater acoustic measurement technique, Supersonic Intensity in Reverberant Environments (SIRE), is developed analytically and validated…”
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    Journal Article