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Higher Study | Communication Systems | Baseband Transmission

Consider the pulse shape s(t) as shown. The impulse response h(t) of the filter matched to this pulse is
A two message communication system together with transition probabilities and priori probabilities is shown in the figure below. The optimum receiver used in such a system will contribute to a probability of error p(ε) equal to
Which of the following statements about the matched filter in a communication receiver are correct ? (A) It may produce phase error if synchronization is improper (B) Its impulse response depends on the singal shape (C) The characteristics of the matched filter is matched with the transmitted data (D) It produces inter symbol interference (E) It measures the correlation between incoming received message and its impulse response Choose the correct answer from the options given below : 
Which of the following transmission media works on the principle of total internal reflection ? 
Which of the following gives maximum probability of error
A binary symmetric channel with p as transition probability, users repetition code ‘n’ times, with n = 2m + 1 being an odd integer. In a block of n bits, if the number of zeros exceed number of decoder decodes it as ‘0” otherwise as “ 1”. An error occurs when m + 1 or more transmissions out 3 are incorrect. What is the probability of error?
Identify the modulation schemes for the shown signal constellation diagram:
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