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Author Question: Which of the following did Harry Nyquist in 1928 first demonstrate mathematically? A. An analog ... (Read 30 times)

bb

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on: Jul 28, 2018
Which of the following did Harry Nyquist in 1928 first demonstrate mathematically?
 
  A. An analog signal can be reconstructed from periodic samples.
  B. Pulses can be time-division multiplexed over a single communication channel.
  C. The sample rate must be at least twice the highest frequency of the intelligence or information signal to be sampled.
  D. Analog signals are quantized to the closest binary value provided in the digitizing system.

Question 2

Which of the following allows complex, periodic waveforms to be broken down into a series of sine and cosine terms?
 
  A. Flat-top sampling
  B. Quantization
  C. Reconstruction
  D. Fourier analysis


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T4T

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Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

D


bb

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Reply 2 on: Jul 28, 2018
Wow, this really help

dreamfighter72

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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