WorksheetsSignals and Systems Introduction
Total questions: 3
Worksheet time: 2mins
A low-pass filter removes high-frequency noise from an ECG signal. The ECG signal and the filtered output are respectively called:
Response and excitation
Excitation and response
System and signal
Noise and signal
A camera converts light intensity into an electrical signal. In this process, the camera acts as a ____ and the electrical output is a ____.
Signal, excitation
System, response
Response, system
Noise, signal
A recorded speech signal is stored, amplified, and then played through a loudspeaker. Which of the following correctly identifies the signal, system, excitation, and response?
Stored speech – system; amplifier – excitation; sound – response
Stored speech – signal & excitation; amplifier – system; sound – response
Loudspeaker – signal; amplifier – system; sound – excitation
Stored speech – response; amplifier – signal; sound – system
