Q. In which technique spot beam antennas are used to point the radio signals in different directions?

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Q. In polarization division technique ______ polarization is used.

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Q. Channelization characterized by orthogonal spectra is called as

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Q. In double side band spectrum which side-band is called as inverted side-band?

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Q. The mixing and filtering of DSB removes

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Q. The super group is made up of

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Q. The orbital period of communication satellites is _______ as that of earth’s rotational period.

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Q. Adding improvement to the signal subset choice by starting with the densest possible lattice for the space is called as

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Q. Choosing a closely packed signal subset from any regular lattice or array of candidate points is called as

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Q. Trellis coded modulation uses

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Q. In finite state machines, output is predicted using

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Q. In TCM the signals are decoded using

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Q. Trellis coded modulation scheme

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Q. In TCM channel capacity can be increased.

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Q. Transmission bandwidth depends on

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Q. Which determines the error performance in TCM?

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Q. The TCM decoder uses

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Q. Flat top sampling of low pass signals

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Q. In a delta modulation system, granular noise occurs when the

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Q. A PAM signal can be detected using

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