active sonar
Active sonar transducers emit an acoustic signal or pulse of sound into the water. If an object is in the path of the sound pulse, the sound bounces off the object ... ,2 Active Sonar. The active sonar of surface vessels is normally used for detection, surveillance, tracking, and identification of submarines. The frequencies used by ... ,Download Citation | A Brief History of Active Sonar | As background for this special issue on strand-ings and mid-frequency active sonar (MFAS), this paper ... ,The duplexer performs the same function in an active sonar as in a radar system, namely to protect the receiver from the full transmitter power while the pulse is ... ,In active sonar systems an acoustic projector generates a sound wave that spreads outward and is reflected back by a target object. A receiver picks up and ... ,跳到 Active sonar - Two types of technology share the name "sonar": passive sonar is essentially listening for the sound made by vessels; active sonar is ... ,An active sonar system is one in which pulses of acoustic energy are launched into the water for the purpose of producing echoes. By examining the echoes of ... , Sonar systems are of two basic types – active and passive. In active sonar, the system emits a pulse of sound and then the operator listens for ...
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 active sonar 相關參考資料
What is sonar? - NOAA's National Ocean Service
Active sonar transducers emit an acoustic signal or pulse of sound into the water. If an object is in the path of the sound pulse, the sound bounces off the object ... https://oceanservice.noaa.gov Sonar - an overview | ScienceDirect Topics
2 Active Sonar. The active sonar of surface vessels is normally used for detection, surveillance, tracking, and identification of submarines. The frequencies used by ... https://www.sciencedirect.com A Brief History of Active Sonar - ResearchGate
Download Citation | A Brief History of Active Sonar | As background for this special issue on strand-ings and mid-frequency active sonar (MFAS), this paper ... https://www.researchgate.net Basic Sonar System (Active)
The duplexer performs the same function in an active sonar as in a radar system, namely to protect the receiver from the full transmitter power while the pulse is ... https://fas.org Active sonar | technique | Britannica
In active sonar systems an acoustic projector generates a sound wave that spreads outward and is reflected back by a target object. A receiver picks up and ... https://www.britannica.com Sonar - Wikipedia
跳到 Active sonar - Two types of technology share the name "sonar": passive sonar is essentially listening for the sound made by vessels; active sonar is ... https://en.wikipedia.org Active Sonar | SpringerLink
An active sonar system is one in which pulses of acoustic energy are launched into the water for the purpose of producing echoes. By examining the echoes of ... https://link.springer.com Sonar – Discovery of Sound in the Sea
Sonar systems are of two basic types – active and passive. In active sonar, the system emits a pulse of sound and then the operator listens for ... https://dosits.org |