List of top Biomedical Engineering Questions on Communication System

Which of the following techniques requires timing synchronization between transmitter and receiver?
If a uniform quantizer with sinusoidal input signal produces the output SNR of 43.76 dB, determine the number of quantization levels used.
An AM modulator develops an unmodulated power of 400 W and power of 450 W when modulated with modulation index \( \mu \) across the resistive load. Then the value of \( \mu \) is
If a discrete memory-less source emits symbols with probabilities 0.2, 0.2, 0.2, 0.2, and 0.2, determine the entropy of the source.