Question

Bat echolocation systems employ ____ modulation.

a.

amplitude

b.

frequency

c.

phase

d.

amplitude shift keying

Posted under Cognitive Radio

Answer: (b).frequency Explanation:Bat echolocation system is an example of range accuracy adaption systems. It uses frequency modulation during emission to identify the target in its path.

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Q. Bat echolocation systems employ ____ modulation.

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