Question

Radio hearing sensors use sound propagation for ____

a.

converting electromagnetic signal into electrical signals

b.

positioning

c.

imaging

d.

navigation

Posted under Cognitive Radio

Answer: (d).navigation Explanation:Radio hearing sensors convert acoustic signals into electrical signals. Sound propagation is used for navigation, detection, and communication. For example, acoustic location estimation maybe used for cognitive location aware systems.

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Q. Radio hearing sensors use sound propagation for ____
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