The Teledyne Marine Channel niels.alsted@teledyne.com https://www.video.teledynemarine.com en-us Visualplatform http://blogs.law.harvard.edu/tech/rss The Teledyne Marine Channel episodic no https://www.video.teledynemarine.com/files/rv1.364/sitelogo.gif https://www.video.teledynemarine.com http://www.video.teledynemarine.com/photo/64966649/advanced-acoustic-telemetry-for <p>Presenter: Richard Vallee, VP Fish Tracking Sales, Innovasea<p></p> <p>An industry pioneer for four decades, Innovasea’s groundbreaking tracking technology helps researchers push the boundaries of science to deliver accurate data and the cutting-edge research used to protect habitats and safeguards species. Learn how Teledyne Benthos CM-903 Compact Modems are enabling their VR4 UWM (Underwater Modem) to be used for tracking and recording tagged fish populations. In this webinar, Richard Vallee, Vice President of Fish Tracking Sales at Innovasea, will introduce you to this innovative technology and guide you through several real-world case studies.</p></p><p><a href="http://www.video.teledynemarine.com/photo/64966649/advanced-acoustic-telemetry-for"><img src="http://www.video.teledynemarine.com/60445029/64966649/4408798b926557bacc51d3aa4acf5639/standard/download-2-thumbnail.jpg" width="600" height="338"/></a></p> http://www.video.teledynemarine.com/photo/64966649 Wed, 04 Nov 2020 17:14:00 GMT Advanced Acoustic Telemetry for Fish Tracking Presenter: Richard Vallee, VP Fish Tracking Sales, Innovasea An industry pioneer for four decades, Innovasea’s groundbreaking tracking technology helps researchers push the boundaries of science to deliver accurate data and the cutting-edge research used to protect habitats and safeguards species. Learn how Teledyne Benthos CM-903 Compact Modems are enabling their VR4 UWM (Underwater Modem) to be used for tracking and recording tagged fish populations. In this webinar, Richard Vallee, Vice President of Fish Tracking Sales at Innovasea, will introduce you to this innovative technology and guide you through several real-world case studies. Presenter: Richard Vallee, VP Fish Tracking Sales, Innovasea An industry pioneer for four decades, Innovasea’s groundbreaking tracking technology helps researchers push the boundaries of science to deliver accurate data and the cutting-edge... The Teledyne Marine Channel 34:35 <p>Presenter: Richard Vallee, VP Fish Tracking Sales, Innovasea<p></p> <p>An industry pioneer for four decades, Innovasea’s groundbreaking tracking technology helps researchers push the boundaries of science to deliver accurate data and the cutting-edge research used to protect habitats and safeguards species. Learn how Teledyne Benthos CM-903 Compact Modems are enabling their VR4 UWM (Underwater Modem) to be used for tracking and recording tagged fish populations. In this webinar, Richard Vallee, Vice President of Fish Tracking Sales at Innovasea, will introduce you to this innovative technology and guide you through several real-world case studies.</p></p><p><a href="http://www.video.teledynemarine.com/photo/64966649/advanced-acoustic-telemetry-for"><img src="http://www.video.teledynemarine.com/60445029/64966649/4408798b926557bacc51d3aa4acf5639/standard/download-2-thumbnail.jpg" width="600" height="338"/></a></p> benthos benthos_channel benthos cm-903 benthos compact modem benthos modem market_aquaculture/fisheries richard vallee webinar http://www.video.teledynemarine.com/photo/49703664/experimental-verification-of <p>To improve the stealthiness of underwater vehicles, or reduce impacts of vessels on the marine environment, it is necessary to identify their noise sources. Furthermore, the proper acoustic control and management of underwater noise radiation of vessels is critical during the intended upgrades and operational service. <p>Near-field acoustic holography (NAH) is a technology that acquires sound pressure in the vicinity of the hull, which can be back-propagated to locate the hot-spot on the hull and forward-propagated to predict the far-field radiated noise of the vessel. With OROS Underwater Holography software, which is the only underwater NAH solution in the market, the use of NAH for noise localization and far-field prediction will be presented through the findings from an experimental study on a large scaled model. Considering the typical shape of underwater vehicles, cylindrical NAH is adopted to provide the highest accuracy. A partial circular array consisting of 25 RESON hydrophones is placed in the vicinity of the hull to measure sound pressure. A shaker excited at random is mounted in the hull to simulate a source, whose location is known. The acoustic maps generated from the experimental measurements show good correlation between the hot-spot location and the known source location, verifying the correctness and efficiency of NAH technology in naval applications.<br> <br> <br> Presented by:<br> <br> <br> Guillaume Cousin<br> Oros</p></p><p><a href="http://www.video.teledynemarine.com/photo/49703664/experimental-verification-of"><img src="http://www.video.teledynemarine.com/49543324/49703664/9b8ae3fcc94535dd82edff4f96c86b65/standard/download-3-thumbnail.jpg" width="600" height="338"/></a></p> http://www.video.teledynemarine.com/photo/49703664 Wed, 20 Mar 2019 13:58:27 GMT Experimental verification of underwater noise localization based on... To improve the stealthiness of underwater vehicles, or reduce impacts of vessels on the marine environment, it is necessary to identify their noise sources. Furthermore, the proper acoustic control and management of underwater noise radiation of vessels is critical during the intended upgrades and operational service. Near-field acoustic holography (NAH) is a technology that acquires sound pressure in the vicinity of the hull, which can be back-propagated to locate the hot-spot on the hull and forward-propagated to predict the far-field radiated noise of the vessel. With OROS Underwater Holography software, which is the only underwater NAH solution in the market, the use of NAH for noise localization and far-field prediction will be presented through the findings from an experimental study on a large scaled model. Considering the typical shape of underwater vehicles, cylindrical NAH is adopted to provide the highest accuracy. A partial circular array consisting of 25 RESON hydrophones is placed in the vicinity of the hull to measure sound pressure. A shaker excited at random is mounted in the hull to simulate a source, whose location is known. The acoustic maps generated from the experimental measurements show good correlation between the hot-spot location and the known source location, verifying the correctness and efficiency of NAH technology in naval applications. Presented by: Guillaume Cousin Oros To improve the stealthiness of underwater vehicles, or reduce impacts of vessels on the marine environment, it is necessary to identify their noise sources. Furthermore, the proper acoustic control and management of underwater noise radiation of... The Teledyne Marine Channel 17:25 <p>To improve the stealthiness of underwater vehicles, or reduce impacts of vessels on the marine environment, it is necessary to identify their noise sources. Furthermore, the proper acoustic control and management of underwater noise radiation of vessels is critical during the intended upgrades and operational service. <p>Near-field acoustic holography (NAH) is a technology that acquires sound pressure in the vicinity of the hull, which can be back-propagated to locate the hot-spot on the hull and forward-propagated to predict the far-field radiated noise of the vessel. With OROS Underwater Holography software, which is the only underwater NAH solution in the market, the use of NAH for noise localization and far-field prediction will be presented through the findings from an experimental study on a large scaled model. Considering the typical shape of underwater vehicles, cylindrical NAH is adopted to provide the highest accuracy. A partial circular array consisting of 25 RESON hydrophones is placed in the vicinity of the hull to measure sound pressure. A shaker excited at random is mounted in the hull to simulate a source, whose location is known. The acoustic maps generated from the experimental measurements show good correlation between the hot-spot location and the known source location, verifying the correctness and efficiency of NAH technology in naval applications.<br> <br> <br> Presented by:<br> <br> <br> Guillaume Cousin<br> Oros</p></p><p><a href="http://www.video.teledynemarine.com/photo/49703664/experimental-verification-of"><img src="http://www.video.teledynemarine.com/49543324/49703664/9b8ae3fcc94535dd82edff4f96c86b65/standard/download-3-thumbnail.jpg" width="600" height="338"/></a></p> hydrophones market_Aquaculture/Fisheries reson_channel tmtw tmtw18 tmtw18speaker tmtw_speaks year_18