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Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
ChapterS: Safety, Basic Electricity And Ohm's Law
Section: Chapter Questions
Problem 8RQ: What is an MSDS?
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Q2 C only thank you 

Question 2
Consider transmission of a digitalised voltage signal. The analogue signal before digitalisation is of
frequency 200 Hz ~ 3k Hz. Hamming code is used as the error control method. Assume even
parity is used.
(a) To avoid information loss, what is the lowest sampling frequency?
(b) If the received code word is 110100010101, determine if the code word is correct. If no, identify
the wrong bit and obtain the original data word.
(c) For transmitting the signal in (b), determine the bandwidth required.
Transcribed Image Text:Question 2 Consider transmission of a digitalised voltage signal. The analogue signal before digitalisation is of frequency 200 Hz ~ 3k Hz. Hamming code is used as the error control method. Assume even parity is used. (a) To avoid information loss, what is the lowest sampling frequency? (b) If the received code word is 110100010101, determine if the code word is correct. If no, identify the wrong bit and obtain the original data word. (c) For transmitting the signal in (b), determine the bandwidth required.
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