echo-sounder

基本解釋

A device used underwater to produce pulses of sound, as for an echo sounder.
聲脈沖發(fā)送器置于水下產(chǎn)生聲脈沖的裝置，如回音器中的裝置
Inspection installation and water tight transducer of echo sounder on berth.
測深儀的換能器船臺安裝和水密性檢查。
A device used underwater to produce pulses of sound,as for an echo sounder.
聲脈沖發(fā)送器置于水下產(chǎn)生聲脈沖的裝置，如回音器中的裝置。
Inspection installation and water tightness transducer of echo sounder on berth.
測深儀換能器船臺安裝和水密性檢查。
In bathymetric survey, the recorded seabed is distorted due to the beam-width of the echo sounder.
摘要在海底地形測量中，由于波束角效應(yīng)導(dǎo)致探測的海底地形存在失真。

a navigation and position-finding device that determines depth by measuring the time taken for a pulse of high-frequency sound to reach the sea bed or a submerged object and for the echo to return