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The process of using a pulse signal to represent information is called _______

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The process of using a pulse signal to represent information is called _______

(a) Pulse modulation

(b) Frequency modulation

(c) Amplitude modulation

(d) Phase modulation

This question was addressed to me in an interview for internship.

My enquiry is from Pulse Modulation in section Digital Communication Techniques of Avionics

1 Answer

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Right option is (a) Pulse modulation

To explain: In pulse modulation, the information to be transmitted is represented by a series of binary pulses. Since the pulse information is binary in nature analog signal shave to be converted to digital before transmitting.

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