【单选题】Choose the phrase that is closest in meaning to the underlined part. By applying a digital compression algorithm, resulting in a digitally compressed representation of the original signal, the amount ...
A.
to precisely represent the origin of the PCM samples
B.
to reconstruct the signal initially represented by PCM accurately
C.
to accurately regenerate the original pulses of the modulated samples
D.
to resample the pulse code modulation codes correctly
【单选题】og modulation with an optical fiber communication system is()efficient, requiring a far( )signal to noise ratio at the receiver than digital modulation.