QUESTIONS When the sampling frequency drops below the Nyquist rate, 1. System performance will be improved O 2. The freq

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QUESTIONS When the sampling frequency drops below the Nyquist rate, 1. System performance will be improved O 2. The frequencies will crossover and cause aliasing. 3. No issues and the signal still can be detected QUESTION 9 The PCM transmission data rate for a single-channel PCM system employing a sample rate of 8000 samples per second and an 8-bit compressed PCM code is 1.16kbps 2.32kbps 3.8kbps 4.64kbps
QUESTION 11 Determine the output signal-to-quantization noise ratio when a full load sinusoidal modulating wave of frequency 10kHz is applied to the input of PCM system and sampled at Nyquist rate and generates 193,464 bit)
QUESTION 13 Consider a communication system with a bandwidth of 200 KHz, modulating digital data using PSK with 64 levels with raised cosine shape with roll-off factor de 0.5 What is the bit rate in kbps? 1.8533kbps O2.200kbps 3.850kbps 4.800kbps QUESTION 14 What is the required bandwidth in KHz for an FSK system that uses 11-1200 kHz and 12=1700 kHz and a bit rate of 100 kbps, -0.57 1.650kHz 2.325kHz 3.575kHz 4.400kHz
QUESTION 2 The bandwidth of a composite signal is O 1. Equal the value of the lowest frequency 2. Equal the value of the highest frequency O 3. The difference between the highest and the lowest frequencies contained in that signal.