A signal is sampled at 384 000 samples per second. The samples are encoded as 32-bit words a) Knowing that the signal to quantizing noise ratio for a sinewave over the whole dynamic range is SQNR- 2, L being the number of quantizing levels, what is the numerical value of the signal to quantizing noise ratio in dB, i.e. SQN RaB? b) What is the resulting bit rate R,? Question 3: We want to sample s(t) uniformly in time signal to represent it in digital form. What is the maximum time interval Ts between samples such as to be able to perfectly reconstruct the signal? s(t) 10 cos2 ( 4800nt) + 5 sin | 1600nt + Question 2: A signal is sampled at 384 000 samples per second. The samples are encoded as 32-bit words a) Knowing that the signal to quantizing noise ratio for a sinewave over the whole dynamic range is SQNR- 2, L being the number of quantizing levels, what is the numerical value of the signal to quantizing noise ratio in dB, i.e. SQN RaB? b) What is the resulting bit rate R,? Question 3: We want to sample s(t) uniformly in time signal to represent it in digital form. What is the maximum time interval Ts between samples such as to be able to perfectly reconstruct the signal? s(t) 10 cos2
A signal is sampled at 384 000 samples per second. The samples are encoded as 32-bit words a) Knowing that the signal to quantizing noise ratio for a sinewave over the whole dynamic range is SQNR- 2, L being the number of quantizing levels, what is the numerical value of the signal to quantizing noise ratio in dB, i.e. SQN RaB? b) What is the resulting bit rate R,? Question 3: We want to sample s(t) uniformly in time signal to represent it in digital form. What is the maximum time interval Ts between samples such as to be able to perfectly reconstruct the signal? s(t) 10 cos2 ( 4800nt) + 5 sin | 1600nt + Question 2: A signal is sampled at 384 000 samples per second. The samples are encoded as 32-bit words a) Knowing that the signal to quantizing noise ratio for a sinewave over the whole dynamic range is SQNR- 2, L being the number of quantizing levels, what is the numerical value of the signal to quantizing noise ratio in dB, i.e. SQN RaB? b) What is the resulting bit rate R,? Question 3: We want to sample s(t) uniformly in time signal to represent it in digital form. What is the maximum time interval Ts between samples such as to be able to perfectly reconstruct the signal? s(t) 10 cos2
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