ECE :: Communication Systems
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Vestigial sideband is most commonly used in
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An image uses 512 x 512 picture elements. Each element can take any of eight distinguishable levels. The maximum entropy in the above image will be
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The subcarrier frequency for transmission of colour difference signals in TV systems in India is
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A helical antenna is used for satellite tracking due to its
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In filter system of sideband suppression the advantage of using mechanical filter is
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Costa's receiver is used for
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What is typical bandwidths of a 2-wire telephone line?
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In a television transmitter, the output stage is most likely to be
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Modulation index of a AM wave is measured using oscilloscope. The display on the CRO is as shown in figure it can be concluded that
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