Discrete Fourier Transform MCQ

Test your knowledge with important Discrete Fourier Transform MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Discrete Fourier Transform MCQs at Bissoy

• If R1 is the region of convergence of x (n) and R2 is the region of convergence of y(n), then the region of convergence of x (n) convoluted y (n) is ___________
  ক

  R1 + R2

  খ

  R1 – R2

  গ

  R1 ∩ R2

  ঘ

  R1 ∪ R2
• If G(f) represents the Fourier Transform of a signal g (t) which is real and odd symmetric in time, then G (f) is ____________
  ক

  Complex

  খ

  Imaginary

  গ

  Real

  ঘ

  Real and non- negative
• The Z transform of δ (n − m) is ___________
  ক

  z-n

  খ

  z-m

  গ

  \(\frac{1}{z-n}\)

  ঘ

  \(\frac{1}{z-m}\)
• S1 and S2 are two DT systems which are connected together to form a new system. Consider the following statements: i) If S1 and S2 are non-causal, then S is non-causal ii) If S1 and/or S2 are unstable, then S is unstable The correct statement from the above is ____________
  ক

  Both i and ii

  খ

  Only i

  গ

  Only ii

  ঘ

  Neither i nor ii