PROBLEM 1 = In a binary phase shift keying (BPSK) communications system, one of two equally probable bits, 0 or 1, is transmitted every T seconds. If the kth bit is j = {0,1}, the waveform x; (t) cos(2лfot + jπ) is transmitted over the interval [(k − 1)T, kT]. Let X (t) denote the random process in which three symbols are transmitted in the interval [0,37]. Assuming fo is an integer multiple of 1/T, sketch the sample space and corresponding sample functions of the process X(t). -