n.a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return

"sonar is an acronym for sound navigation ranging"

同義詞：echo sounderasdic

SoNARS: A Social Networks-Based Algorithm for Social Recommender Systems
SoNARS: A Social Networks-Based Algorithm for Social Recommender Systems
Adaptive array processing for wide-band active sonars
Target Detection and Localization Using MIMO Radars and Sonars
Target Detection and Localization Using MIMO Radars and Sonars
Uncertainties of differential phase estimation associated with interferometric sonars
Shallow-water imaging multibeam sonars: A new tool for investigating seafloor processes in the coastal zone and on the continental s...
Synthetic aperture beamforming with automatic phase compensation for high frequency sonars
PORPOISE CLICKS FROM A SPERM WHALE NOSEâ??CONVERGENT EVOLUTION OF 130 KHZ PULSES IN TOOTHED WHALE SONARS?
Temporal and Regional Variation of Sea Ice Draft And Coverage in the Weddell Sea Obtained from Upward Looking Sonars