Explain the concept of error function, Other Engineering

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Question 1 Explain the concept of error function

Question 2 Obtain the Fourier transform for the following

Single sided exponential signal
Gate function
Triangular pulse

Question 3 Explain convolution coding and decoding.

Question 4 Define the following

Entropy and
Information rate

Question 5 A code is composed of dot and dashes. If one dash is same as 3 dots in length and has 1/3rd the probability of occurrence

Find

Information in dot and dash
Average information in dot -dash code
If dot lasts for 10 ms and 10 ms is allowed between symbols, find the average rate of information transmission

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