acoustic transponder

См. также в других словарях:

• Acoustic tags — are small sound emitting devices that allow the detection and/or remote tracking of fish in three dimensions. Commonly used to monitor the behavior of fish, studies are conducted in lakes, rivers, tributaries, estuaries and at sea. Acoustic tag… …   Wikipedia

• Ultra-short baseline — USBL (Ultra short baseline) is a method of underwater acoustic positioning. A complete USBL system consists of a transceiver, which is mounted on a pole under a ship, and a transponder/responder on the seafloor, a towfish, or on a ROV. A computer …   Wikipedia

• Sonar — This article is about underwater sound propagation. For atmospheric sounding, see SODAR. For other uses, see Sonar (disambiguation) …   Wikipedia

• Dynamic positioning — Offshore Support Vessel Toisa Perseus with, in the background, the fifth generation deepwater drillship Discoverer Enterprise, over the Thunder Horse Oil Field. Both are equipped with DP systems. Dynamic positioning (DP) is a computer controlled… …   Wikipedia

• Multilateration — is a navigation technique based on the measurement of the difference in distance to two or more stations at known locations that broadcast signals at known times. Unlike measurements of absolute distance or angle, measuring the difference in… …   Wikipedia

• radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… …   Universalium

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• Wilkinson Microwave Anisotropy Probe — WMAP redirects here. WMAP may also refer to either radio station WXNC or WGSP FM. Wilkinson Microwave Anisotropy Probe General information NSSDC ID 2001 027A …   Wikipedia

• Medical imaging — This article is about imaging techniques and modalities for the human body. For imaging of animals in research, see Preclinical imaging. Medical imaging Diagnostics A CT scan image showing a ruptured abdominal aortic aneurysm …   Wikipedia

• Architecture and Civil Engineering — ▪ 2009 Introduction Architecture       For Notable Civil Engineering Projects in work or completed in 2008, see Table (Notable Civil Engineering Projects (in work or completed, 2008)).        Beijing was the centre of the world of architecture… …   Universalium