| 单词 |
side-scan |
| 释义 |
ˈside-scan, a.
Also side scan, sidescan.
[side n.1 24.]
Applied to side-looking sonar (and radar), esp. on a ship.
1967Undersea Technol. Apr. 24/2 The most important feature of side scan sonar..is its ability to produce a permanent, continuous, graphic record of what it ‘sees’. 1969New Scientist 20 Feb. 393/2 A range of sidescan sonars is now available. 1978Nature 5 Jan. 49/2 Side-scan sonar has been used previously to profile icebergs, by lowering a sonar transducer vertically, at a known rate, from the side of a boat. 1979Ibid. 29 Mar. 399/1 These surfaces were revealed by side-scan radar from aircraft in surveys made by the Brazilian government.
So ˈside-scanner; ˈsidescanning a.
1960Guardian 20 July 2/6 In view of the development of side-scanning photography these flights were provocative while not violating international air-space. 1968Observer 4 Feb. 3/3 A standard sonar device is used to sweep a large area and echoes of all possible wrecks are picked up and charted. The side-scanner then moves in to check each echo in detail. 1968Proc. 5th Symp. Remote Sensing of Environment 534 The resolution of a side-scanning sonar instrument depends primarily on the width of the beam in the horizontal plane..and on the duration of the pulses. 1978Navy News Oct. 5/1 She is equipped with echo sounders to measure the depth of water as well as side-scanning sonar which gives a view of the sea bed when locating wrecks. |
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