how the radar system works?
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A radar system has a transmitter that emits radio waves called radar signals in predetermined directions. ... If the object is moving either toward or away from the transmitter, there is a slight equivalent change in the frequency of the radio waves, caused by the Doppler effect.
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Answer:Phase difference ϕ = π/4 radian
Frequency f = 50 Hz
Time difference Δt = ϕ/(2πf)
= π/(4 x 2π x 50)
= 1/(400)
= 0.0025 s
= 2.5 ms
Explanation:
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