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<prev • 162 results • page 1 of 17 • next >

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How is signal bandwidth spread in spread spectrum modulation?

digital communication updated 2.4 years ago by sagarkolekar ★ 11k

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1.4k

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(Duplicate) Draw the block diagram for FH-SS system and explain the working. Differentiate between slow frequency hopping and fast frequency hopping.

digital communication updated 2.2 years ago by binitamayekar ★ 6.4k

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710

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Explain with the help of block diagrams and waveforms, the following techniques of spread communication. (a) Direct sequence (b) Frequency hopping.

digital communication updated 2.4 years ago by sagarkolekar ★ 11k

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2.3k

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1. State two criteria which a spread- spectrum communication system most satisfy. Justify that the spread- spectrum signals are transparent to the interfering signals, and vice versa.

digital communication updated 2.4 years ago by sagarkolekar ★ 11k

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788

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Compare systematic and non-systematic codes.

digital communication updated 2.1 years ago by sagarkolekar ★ 11k

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1.2k

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Define Hamming distance, Hamming weight in the context of linear block code. Also explain linearity property and cyclic property of linear codes.

digital communication updated 2.4 years ago by sagarkolekar ★ 11k

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953

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What are different decoding methods of convolutional codes? Explain any one in detail.

digital communication updated 2.1 years ago by sagarkolekar ★ 11k

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2.8k

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Prove that syndrome depends on error patterns and not on transmitted code word

digital communication updated 2.1 years ago by sagarkolekar ★ 11k

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1.7k

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Define code rate, code efficiency, systematic and non-systematic in the context of linear block code.

digital communication updated 2.1 years ago by sagarkolekar ★ 11k

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Describe in brief four types of Trade-Offs that can be accomplished by using Error correcting code.

digital communication updated 2.1 years ago by sagarkolekar ★ 11k