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- Fourier Transform for x(t) = 10 rect (t/7) is 10 sinc(10 f) 7 sinc(10 f) 70 sinc(7 f) 10 sinc(7 f) 10 sinc(70 f) LPF filter is the first stage in digital communication and remove high frequency remove low frequency attenuate analog signal amplified analog signal remove all frequenciesIf the bandwidth of a signal is 5 KHz and the lowest frequency is 52 KHz, what is the highest frequency?If the frequency spectrum of a signal has a bandwidth of 500 Hz with the highest frequency at 600 Hz, what should be the sampling rate, according to the Nyquist theorem?
- An analog signal carries 4 bits in each signal unit. If 1000 signal units are sent per second, then baud rate and bit rate of the signal are andDifferentiate between periodic pulse trains and non-periodic pulse trains in the context of digital signals.In fiber optics a pulse of light indicates .................... a. 1 bit b. 0 bit c. 1 byte d. 8 bits
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