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The relation between analog frequency ‘F’ and digital frequency ‘f’ is:
- a)F=f*T(where T is sampling period)
- b)f=F*T
- c)d)b) f=F*T
- d)b) f=F*Tc) No relationd) None of the mentioned
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
The relation between analog frequency ‘F’ and digital freq...
Explanation: Consider an analog signal of frequency ‘F’, which when sampled periodically at a rate Fs=1/T samples per second yields a frequency of f=F/Fs=>f=F*T.
Most Upvoted Answer
The relation between analog frequency ‘F’ and digital freq...
And time can be described by the equation:
f(t) = A * sin(2πft + φ)
where:
- f(t) is the instantaneous frequency at time t
- A is the amplitude of the signal
- f is the base frequency of the signal
- φ is the phase offset of the signal
This equation represents a sinusoidal waveform, where the frequency is time-varying. The term 2πft represents the phase of the signal at time t, and the sin function converts the phase into a sinusoidal waveform.
In this equation, as time progresses, the frequency of the signal changes, leading to a varying pitch or tone. The amplitude A determines the overall loudness or intensity of the signal, while the phase offset φ determines the initial starting point of the waveform.
By manipulating the parameters A, f, and φ, various analog frequency patterns and waveforms can be generated.
f(t) = A * sin(2πft + φ)
where:
- f(t) is the instantaneous frequency at time t
- A is the amplitude of the signal
- f is the base frequency of the signal
- φ is the phase offset of the signal
This equation represents a sinusoidal waveform, where the frequency is time-varying. The term 2πft represents the phase of the signal at time t, and the sin function converts the phase into a sinusoidal waveform.
In this equation, as time progresses, the frequency of the signal changes, leading to a varying pitch or tone. The amplitude A determines the overall loudness or intensity of the signal, while the phase offset φ determines the initial starting point of the waveform.
By manipulating the parameters A, f, and φ, various analog frequency patterns and waveforms can be generated.
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The relation between analog frequency ‘F’ and digital frequency ‘f’ is:a)F=f*T(where T is sampling period)b)f=F*Tc)d)b) f=F*Td)b) f=F*Tc) No relationd) None of the mentionedCorrect answer is option 'B'. Can you explain this answer?
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