Periodic - page 2

What is the real meaning of frequency for a non periodic signal?
(Temporal) frequency is defined as the number of occurences (of the same signal) over time. A truly non-periodic signal doesn't have a repeating patte...
DFT and periodicity
What is periodicity in DFT?Does DFT assume periodicity?Is DFT of a finite duration sequence is periodic?Why signal is periodic in time domain in DFT?...
Periodicity of peaks within a signal
What are the periodic signals?What is the time period of a periodic signal in actual terms?What are periodic and aperiodic signals? What are the per...
Features of a non-periodic signal for comparison
What is a non periodic signal?What differentiates a periodic signal from a non periodic signal?What are the important characteristics of a periodic s...
Periodic noise attenuation
What is periodic noise?How do you get rid of periodic noise?Which filter removes periodic noise?What are the causes of periodic noise? What is perio...
Is $x(t) = \cos t + \sin\left(\frac{1}{2}t\right)$ a periodic signal?
Is sin 2t a periodic signal?Is cost +sint periodic?How do you check whether the signal is periodic or not?Is cos 2 2πt a periodic signal? Is sin 2t ...
How to filter almost periodic noise?
How do you filter periodic noises?Which filter is used to remove periodic noise?What is periodic noise? How do you filter periodic noises?Periodic n...
Why DFT exact for periodic signals?
Why is DFT periodic?Does DFT assume periodicity?Is DFT of a finite duration sequence is periodic?Is discrete Fourier transform exact? Why is DFT per...
How to check whether a continuous signal is periodic or not?
A signal is said to be periodic signal if it has a definite pattern and repeats itself at a regular interval of time. Whereas, the signal which does n...