This post highlights about How does bistatic sonar work?, How does a sonar work?, How does passive sonar work?
How does bistatic sonar work?
Bistatic sonar works by using separate locations for the transmitter and receiver. In this configuration, the transmitter sends acoustic pulses into the water, and the receiver, positioned in a different location, detects the echoes of these pulses reflected off objects or targets. The bistatic configuration allows measurement of the time it takes for echoes to travel between the target and receiver, which can be used to determine target distance and other characteristics.
How does a sonar work?
A sonar system works by emitting sound waves into a medium, usually water, and then listening for echoes that return after bouncing off objects. The system transmits acoustic pulses and measures the time it takes for the echoes to return to the receiver. By analyzing these echoes, sonar can detect and locate objects, measure their distance, and provide information about their size and movement.
How does passive sonar work?
Passive sonar works by detecting and analyzing sounds made by objects or animals in the water, rather than emitting its own signals. It listens for noise or acoustic emissions from submarines, ships or marine life and uses this information to determine the presence, location and movement of these objects. Passive sonar is advantageous for its ability to detect targets without revealing the listener’s presence.
The frequency of naval sonar varies depending on the type and application. Low-frequency sonar, typically operating between 1 kHz and 10 kHz, is used for long-range detection and communication. High-frequency sonar, ranging from 10 kHz to several hundred kHz, is used for detailed imaging and point-blank detection. The choice of frequency affects the range, resolution and ability of the sonar to penetrate different types of underwater environments.
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