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Satellite Communication Question Bank by Karimulla Sheik is a document available to read on EtoBox.

What is Satellite Communication Question Bank about?

(1) The document discusses advantages of superheterodyne receivers over TRF receivers including improved selectivity, uniform bandwidth, and higher gain. (2) It defines FM threshold effect as crackling sound heard when carrier to noise ratio decreases below unity, due to noise impulses generated at the detector output. (3) Pre-emphasis in the transmitter boosts high-frequency signals to compensate for higher noise, while de-emphasis in the receiver attenuates them after demodulation. This improves the

Author

Karimulla Sheik

Language

EN