Which of the following is common independent variable for speech signal, EEG and ECG?
A. Time
B. Spatial coordinates
C. Pressure
D. None of the mentioned
Answer:A
Which of the following is common independent variable for speech signal, EEG and ECG?
A. Time B. Spatial coordinates C. Pressure D. None of the mentioned
Explanation: Speech, EEG and ECG signals are the examples of information-bearing signals that evolve as functions of a single independent variable, namely, time.