Question

Advantages and disadvantages of natural sampling

Answer 1

Natural sampling is a practical method that approximates ideal sampling. The analog input is multiplied by a train of uniformly spaced, rectangular pulses. The natural sampling can be represented with respect to the amplitude of the analog signal.

If the width of the pulses is much smaller than the spacing between pulses, then natural sampling may be regarded as an approximation of ideal sampling.

The main advantages of the natural sampling method is that it is a technique that has the minimum noise interference to the sampled signal. It is obtained by multiplying the input signal with the sampling function. It is a practical method used for sampling of signals. 

The main disadvantage of using natural sampling is that the sample takes the shape of the top signals, with respect to the amplitude of the analog signal which means that if there is noise above that signal, then it will be demodulated with LBF (low pass filter) and will be cut from the original signal.

Answer 2

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