Q. Coherent PSK and non coherent orthogonal FSK have a difference of ______ in PB.

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Q. Which is easier to implement and is preferred?

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Q. Which is the main system consideration?

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Q. Wavelength and antenna size are related as

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Q. The detection method where carrier’s phase is given importance is called as

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Q. The coherent modulation techniques are

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Q. The real part of a sinusoid carrier wave is called as

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Q. Antipodal signal sets are those vectors that can be illustrated as

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Q. The FSK signal which has a gentle shift from one frequency level to another is called as

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Q. Which modulation scheme is also called as on-off keying method?

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Q. In amplitude phase keying each phase vector is separated by

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Q. The transformation of the waveform into a single point in signal space is called as

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Q. The correlating detector is also known as

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Q. The minimum nyquist sampling rate is given as, fs =

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Q. Phase-locked loop circuitry is used for

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Q. In differential PSK the date is

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Q. Envelope detector consists of

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Q. The minimum required spacing is the difference between the

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Q. The minimum tone separation corresponds to

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Q. Matched filter is used for

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