Sound Navigation and Ranging is the sonar full form. SONAR, also known as active sonar is a technique in which sound waves are emitted and then reflected back at an object to determine the distance between it. The time for the echo to return indicates how far away that object is from where we’re standing; this can be used on land or underwater.

SONAR (Sound Navigation and Ranging) refers to methods of using sound propagation under water (or sometimes through air such as ultrasound positioning systems), including passive listening devices called hydrophones (“listening tubes”). SONAR may use ultrasonic frequencies below 20 kHz – well above human hearing range. Sonars operate by sending out an acoustic pulse: if there’s no reflection off any obstacle you might hear nothing but experience.

What is sound navigation and ranging (SONAR)?

SONAR is a technique that uses sound to produce images of objects underwater or above the surface. The word sonar was originally an acronym for Sound Navigation And Ranging, but in practice it has come to mean just Sound Navigation and Ranging. SONAR systems have many military applications including detecting submarines by pinging sounds off them under water from submerged vessels, minesweeping on ships with large cables towed behind at speed over the ocean floor when searching for hidden hazards such as unexploded bombs dropped during WWII etc., measuring depth through sea ice where there are no beacons or buoys available so both ship’s position can be precisely recorded while maintaining course without running aground even in poor visibility conditions due to weather changes e.g.; fog.

How does it work, and why is it important to the military and commercial shipping industry?

The technology uses a satellite to detect the location of objects that are submerged in water. It’s important because it allows for fast, efficient shipping and can also be used by military ships on secret missions.

Why is the technology used by the military different than that of commercial shipping?

Military technology is different because it’s invented for the purpose of war. Commercial shipping technologies are designed to transport goods across oceans in a safe, efficient manner.

The future of SONAR technology

Sonar technology has been advancing for decades, but it will continue to be used in the future. It is more accurate than radar and cheaper to use by ships on long journeys that need constant monitoring of surroundings. This way they can detect icebergs or other dangers ahead before even getting close enough where traditional navigation would fail them due to lack of visibility at night time/stormy weather conditions etc.

The history of SONAR development

SONAR has been around since the 1940’s, and it had a lot of different developments over time. In its early days, SONAR was built on top of radar technology so that submarines could detect other ships or aircrafts from far away distances. It wasn’t until 1970 when scientists created an active system to send out pulses instead of just listening for echoes off objects using passive systems which were used during World War II as well as in earlier years still today both above water and underwater depending if you’re talking about military operations or commercial applications such as fishing fleets etc. In modern times we use sonar sometimes mixed with GPS coordinates to create maps underneath the ocean floor by sending sound waves through those areas first before any actual physical exploration takes place.

Applications for SONAR in other fields, such as medicine or telecommunications

The SONAR technology is being applied to many different fields. In the medical field, for example, it’s used in non-invasive cancer detection and kidney disease diagnosis. It can also be helpful in telecommunication devices such as wireless networks by measuring signal strength from a router or cell phone tower location using signals emitted at various angles which bounce off surrounding objects before arriving back at the source. 3D Printing Technology Can Dramatically Improve Medical Care.


S = Stupid

O = Old

N = Native

A = American

R = Radio


SO = Sound

N = Navigation

A = And

R = Ranging


S = Sex

O = Offender

N = Need

A = Assessment

R = Rating


S = Sound

N = Navigation

A = And

R = Ranging


S = Source

O = Of

N = Noise

A = And

R = Reason

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