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Electronics and Communication Network Theory And Analysis Difficulty: Medium

In a communication system each message (0 or 1) is transmitted three times in order to reduce the probability of error. The detection is based on the majority rule at the receiver. If p e is the probability of bit error, the probability of error for this communication system is The following is equivalent to Which of the following permits a microwave signal to travel in one direction with virtually no loss, but severely attenuates any signal attempting to travel in the reverse direction? Threshold voltage is negative for . . . . . . . . In ship to ship communication, the problem of fading can be overcome by using