Sonar Technology

What are the two main types of sonar?

• Active sonar and radar sonar

• Echo sonar and pulse sonar

• Passive sonar and acoustic sonar

• Active sonar and passive sonar

What are the advantages of using sonar technology?

• Reduced battery life due to increased power consumption

• Limited range of detection compared to other technologies

• Higher cost of implementation and maintenance

• Improved underwater navigation, communication, object detection, and operation in dark or murky waters.

What are the limitations of passive sonar?

• Unlimited detection range, no interference from ambient noise, accurate target range determination, clear distinction between multiple targets

• Enhanced detection range, immunity to ambient noise interference, precise target range determination, easy distinction between multiple targets

• Decreased detection range, resistance to ambient noise interference, precise target range determination, easy distinction between multiple targets

• Reduced detection range, vulnerability to ambient noise interference, inaccurate target range determination, difficulty in distinguishing between multiple targets

Differentiate between active and passive sonar.

• Active sonar emits signals, passive sonar only listens.

• Active sonar uses light waves, passive sonar uses sound waves.

• Active sonar is used on land, passive sonar is used in space.

• Active sonar only listens, passive sonar emits signals.

What is the primary function of side-scan sonar?

• To detect marine life

• To navigate underwater vehicles

• To measure water temperature

• To create detailed images of the seafloor

How does multibeam sonar differ from single-beam sonar?

• Multibeam sonar has a shorter range than single-beam sonar.

• Multibeam sonar uses sound waves, while single-beam sonar uses light waves.

• Multibeam sonar captures a wider area in a single ping using multiple beams, while single-beam sonar covers a smaller area with just one beam.

• Multibeam sonar is less accurate than single-beam sonar.

What are the limitations of multibeam sonar?

• Unlimited range, high resolution, immune to interference, no blind spots

• Limited range, high resolution, immune to interference, no blind spots

• Limited range, reduced resolution, interference susceptibility, potential blind spots

• Short range, high resolution, no interference susceptibility, no blind spots

Explain the concept of forward-looking sonar.

• Forward-looking sonar is a technology that uses magnetic waves to detect objects underwater.

• Forward-looking sonar is a technology that uses light waves to detect objects underwater.

• Forward-looking sonar is a technology that uses radio waves to detect objects underwater.

• Forward-looking sonar is a technology that uses sound waves to detect objects or obstacles in front of a vessel underwater.

What are the categories of sonar based on their frequency range?

• Supersonic

• Subsonic

• Infrasonic, Audible, Ultrasonic

• Hypersonic

How does sonar technology help in underwater navigation?

• Sonar technology uses visual cameras for underwater navigation.

• Sonar technology relies on satellite signals for underwater navigation.

• Sonar technology measures water temperature for underwater navigation.

• Sonar technology helps in underwater navigation by using sound waves to detect objects and create maps of the underwater environment.