Q4) A black and white television picture may be viewed as consisting of approximately 3x10 elements each one of which may occupy one of 10 distinct brightness levels with equal probability. Assume the rate of transmission to be 30 picture frames per second, and the signal to noise power ratio is 30 dB. Using the channel capacity theorem, calculate the minimum bandwidth required to support the transmission of the resultant video signal.

Q4) A black and white television picture may be viewed as consisting of approximately 3x10 elements each one of which may occupy one of 10 distinct brightness levels with equal probability. Assume the rate of transmission to be 30 picture frames per second, and the signal to noise power ratio is 30 dB. Using the channel capacity theorem, calculate the minimum bandwidth required to support the transmission of the resultant video signal.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Question-5) A signal with a bandwidth of 10 MHz is first passed through a low filter with a cut-off frequency of 7 MHz. Then the signal is sampled using the minimum sampling frequency required and each sample is coded with 10 bits. Since the minimum signal-to-noise ratio is used to make the efficiency of this communication channel 3 bit /s /Hz, how many MHz should the bandwidth of the channel that this signal can transmit be at least?(Note: Enter 2 digits after the comma. The correct answer within ±5% of the correct answer will be accepted as the correct answer.)
QUESTION ii PLEASE LECTURE NAME SIGNALS AND INFORMATINOS
Subject: Digital signal processing
Problem 4: a. For a Communications system with capacity of 400 kbps and SNR = 35DB and a lower frequency of 0.25 kHz find the Upper frequency? b. What is the channel capacity for signal power of 250 W, noise power of 50 W, and bandwidth of 3 MHz? c. What is the channel capacity when the S'N ratio is doubled but the bandwidth is reduced by a factor of 5?
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