The Parktronic system operates on the echo-sounder principle.
驻车定位系统根据回波发声器原理工作。
2
The record seabed image distorted due to the angular beam-width of echo-sounder in bathymetric, especially for gibbous terrain.
在海洋测深中,由于回声测深仪波束角效应的影响,对凸形海底的测量会带来较大的失真。
3
EchoSounder is a kind of acoustic measuring depth equipment, which can measure depth with the time between transmitted wave and echo on condition in which the speed of ultrasonic is fixed.