sonar array
11Synthetic aperture sonar — (SAS) is a form of sonar in which sophisticated post processing of sonar data are used in ways closely analogous to synthetic aperture radar. Synthetic aperture sonars combine a number of acoustic pings to form an image with much higher… …
12Surveillance Towed Array Sensor System — The AN/UQQ 2 Surveillance Towed Array Sensor System (SURTASS) is a towed array sonar system of the United States Navy.SURTASS systems developed in the 1980s were deployed on Stalwart class ocean surveillance ships and were passive, receive only… …
13Side-scan sonar — (also sometimes called side scan sonar, sidescan sonar, side looking sonar, side looking sonar and bottom classification sonar) is a category of sonar system that is used to create efficiently an image of large areas of the sea floor. This tool… …
14Long base line sonar — Long Base Line, commonly referred to as LBL, is a method of acoustic positioning commonly used in deep water (water depth of greater than 3000 feet). A typical LBL positioning system consists of a transceiver and several beacons arranged into a… …
15Parametric array — The parametric array is a nonlinear transduction mechanism that generates narrow, nearly sidelobe free beams of low frequency sound, through the mixing and interaction of high frequency sound waves, effectively overcoming the diffraction limit (a …
16Active Electronically Scanned Array — Antenne réseau à commande de phase Antenne réseau à commande de phase pour satellite …
17Defence Research and Development Organisation — Sanskrit: बलस्य मूलं विज्ञानम् Strength s Origin is in Science [1] Agency overvi …
18Collins class submarine — HMAS Rankin, sixth submarine of the Collins class, underway in 2006 Class overview Builders: Australian Submarine Corporatio …
19Baffles (submarine) — Baffles redirects here. For other uses, see Baffle (disambiguation). Example diagram of the baffles of a submarine, showing the directional arc behind a submarine where the sonar is ineffective. The baffles is the area in the water directly… …
20U.S. Carrier Group tactics — Naval tactics have played a crucial role in modern battles and wars. The presence of land, changing water depths, weather, detection and electronic warfare, the speed at which actual combat occurs and other factors especially air power render… …
