# Quiz01-Sec1 - EE380 Section 1 Quiz 1(8 minutes(set 1...

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Unformatted text preview: EE380: Section 1: Quiz 1 (8 minutes) Feb 03, 2011 (set 1) Student ID: Name: Signature: Given: An analog signal is Sampled and Quantized. The sampling rate was 1000 samples per second. Each sample was encoded into 16 levels. Q1: How many bits are needed to transmit one sample? Q2: If no other information is provided about the signal, what is the data rate at which you will need to make the transmission? Q3: Continuing from Q2: For each sample, we add an additional parity bit for error detection purposes. Each bit (including the parity bit) can be in error with probability q. What is the probability that you can detect an error? Continuing from Q2 (assume Q3 was never asked): following information is provided about the above signal. We number the samples from 1, 2, 3, ... and so on. Each evennumbered sample is onethird in amplitude of the immediately previous sample. Q4: If you are allowed to use source coding, what is the minimum data rate at which you need to transmit without losing any further information in the signal? EE380: Section 1: Quiz 1 (8 minutes) Feb 03, 2011 (set 2) Student ID: Name: Signature: Given: An analog signal is Sampled and Quantized. The sampling rate was 2000 samples per second. Each sample was encoded into 8 levels. Q1: How many bits are needed to transmit one sample? Q2: If no other information is provided about the signal, what is the data rate at which you will need to make the transmission? Q3: Continuing from Q2: For each sample, we add an additional parity bit for error detection purposes. Each bit (including the parity bit) can be in error with probability q. What is the probability that you can detect an error? Continuing from Q2 (assume Q3 was never asked): following information is provided about the above signal. We number the samples from 1, 2, 3, ... and so on. Every fifth sample (sample number 5, 10, 15, 20, ...) is onehalf in amplitude of the immediately previous sample. Q4: If you are allowed to use source coding, what is the minimum data rate at which you need to transmit without losing any further information in the signal? ...
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