Which is easier to implement and is preferred?

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Question:
Which is easier to implement and is preferred?

1.Coherent system

2.Non coherent system

3.Coherent & Non coherent system

4.None of the mentioned

Posted Date:-2022-05-21 00:38:29

More MCQS Questions and answers

  1. Matched filter is used for
  2. A Gaussian distribution into the non linear envelope detector yields
  3. A pulse shaping filter should satisfy two requirements. They are
  4. Amplitude distortion occurs when
  5. Antipodal signal sets are those vectors that can be illustrated as
  6. As the eye opens, ISI _______
  7. Channel’s phase response must be a linear function of
  8. Coherent PSK and non coherent orthogonal FSK have a difference of ______ in PB.
  9. Envelope detector consists of
  10. Equalization method which is done by tracking a slowly time varying channel response is
  11. Equalization process includes
  12. Examples of double side band signals are
  13. For AWGN, the noise variance is
  14. If the filter’s tap weight remains fixed during transmission of data, then the equalization is called as
  15. In amplitude phase keying each phase vector is separated by
  16. In differential encoding the _________ different between two wave forms is measured.
  17. In differential PSK the date is
  18. Performance of BFSK signal is ________ than BPSK.
  19. Phase distortion occurs when
  20. Phase-locked loop circuitry is used for
  21. Preamble is used for
  22. Pseudo noise signal has _______ and _______ SNR for the same peak transmitted power.
  23. Range of time difference of the zero crossing gives the value of
  24. Symbol spaced has ____ sample per symbol and fractionally spaced has ___ samples per symbol.
  25. The _______ of the opening of eye pattern indicates the time over which the sampling for detection might be performed.
  26. The coherent modulation techniques are
  27. The correlating detector is also known as
  28. The detection method where carrier’s phase is given importance is called as
  29. The disadvantage of preset equalizer is that
  30. The DPSK needs ________ Eb/N0 than BPSK.
  31. The error probability of DPSK is ________ worse than PSK.
  32. The filters used with the equalizer is of ______ types.
  33. The FSK signal which has a gentle shift from one frequency level to another is called as
  34. The index value n, in transversal filter can be used as.
  35. The limit which represents the threshold Eb/N0 value below which reliable communication cannot be maintained is called as
  36. The maximum likelihood sequence estimator adjusts _______ according to _____ environment.
  37. The minimum nyquist sampling rate is given as, fs =
  38. The minimum required spacing is the difference between the
  39. The minimum tone separation corresponds to
  40. The non coherent FSK needs ________ Eb/N0 than coherent FSK.
  41. The over-determined set of equations can be solved using
  42. The range of amplitude difference gives the value of
  43. The real part of a sinusoid carrier wave is called as
  44. The transformation of the waveform into a single point in signal space is called as
  45. Transversal equalizers are ________ and decision feedback equalizers are ______
  46. Wavelength and antenna size are related as
  47. Which is easier to implement and is preferred?
  48. Which is the main system consideration?
  49. Which modulation scheme is also called as on-off keying method?
  50. Which value of r (roll off factor) is considered as Nyquist minimum bandwidth case?
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