If DT signal is appended by zeros in time domain what will be the effect in frequency domain?Select one:a. All of the aboveb. As the length of signal increases, the frequency spacing decreases.c. resolution of the spectrum increasesd. approximation error in the representation of the spectrum decreases.

Which of the following statements accurately describes the effect of zero-padding on the frequency resolution of the DFT?Select one:a. Zero-padding has no effect on the frequency resolution.b. Zero-padding decreases the frequency resolution.c. Zero-padding increases the frequency resolution.d. Zero-padding introduces aliasing in the frequency domain.

Which of the following statements is true?Question 4Select one or more:A signal will have the same energy in both the time and frequency domains.A signal that is limited in frequency has unlimited (infinite) extent in the time domain.A signal can have limited extent in both the time and frequency domains.A signal that is limited in time has unlimited (infinite) extent in the frequency domain.

different between frequency domain and time domain

When the frequency of a wave decreases, the      of the wave increases.

Which of the following property of Fourier Transform  states that the compression in time domain is equivalent to the expansion in the frequency domain is ____________Group of answer choicesTime scalingNoneDualityFrequency shifting