Which of the following modulation is used for radio navigation?(a) Pulse Modulation(b) Amplitude Modulation(c) Phase Modulation(d) Frequency ModulationI have been asked this question by my school teacher while I was bunking the class.The query is from Generation of VSB in section SSB Modulation of Analog Communications

Which of the following modulation is used for radio navigation?(a) Pul

1.	Which of the following modulation is used for radio navigation?(a) Pulse Modulation(b) Amplitude Modulation(c) Phase Modulation(d) Frequency ModulationI have been asked this question by my school teacher while I was bunking the class.The query is from Generation of VSB in section SSB Modulation of Analog Communications
Answer» The CORRECT option is (a) PULSE MODULATION The explanation: In pulse modulation, message signal in the form of pulses are VARIED with respect to WIDTH, amplitude or position. It is mostly used for radio navigation and for many others.

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