echo sounding
Học thuậtThân thiện
Definition
- Noun:
- A method of determining the depth of water or the location of underwater objects: "Echo sounding" is a technique that measures the time it takes for a sound pulse to travel to the seafloor or an object and for its echo to return. This time measurement is used to calculate distance.
Usage
- Noun:
- The ship used echo sounding to map the ocean floor.
- Modern echo sounding provides highly accurate bathymetric data.
Advanced Usage
- Scientific and Nautical Context: The term is primarily used in oceanography, hydrography, and navigation. It describes the fundamental principle behind sonar (Sound Navigation and Ranging) technology.
- The research vessel's primary tool for the survey was continuous echo sounding.
Variants and Related Words
- Echosounder (n): The electronic device used to perform echo sounding.
- The fisherman checked his echosounder for the water depth.
- Sonar (n): A broader technology for underwater detection and navigation that operates on the principle of echo sounding.
- The submarine's sonar detected an object ahead.
Synonyms
- Sounding: The general act of measuring depth, often using an echo sounder.
- Depth sounding: Specifically measuring the depth of water.
Related Phrases
- Take a sounding: To measure the depth of water.
- The captain ordered a sailor to take a sounding.
Noun
- determining the location of something by measuring the time it takes for an echo to return from it