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• Analog signal
  ...s in the signal which are meaningful. Analog is usually thought of in an [[electricity|electrical]] context; however, [[Classical mechanics|mechanical]], [[pneuma Most of the analog systems also suffer from [[generation loss]].
  7 KB (902 words) - 14:50, 10 December 2011
• Spectrum analyzer
  ...wn and unknown signals. The input signal a spectrum analyzer measures is [[electricity|electrical]], however, [[Frequency spectrum|spectral]] compositions of othe By analyzing the [[Frequency spectrum|spectra]] of [[electricity|electrical]] signals, dominant [[frequency]], [[Electric Power|power]], [[d
  20 KB (2,944 words) - 14:52, 10 December 2011
• Atomic clock
  | fuel_source = [[Electricity]] ...ical lattices and [[quantum information]], have enabled prototypes of next generation atomic clocks. These clocks are based on optical rather than microwave tran
  32 KB (4,699 words) - 14:52, 10 December 2011

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