analog-digital conversion
模(拟)数(字)转换

• wide spectral range
• wide-to-tele zoon lens
• wide-video amplifier
• width between centers
• width of booth
• width of fringe
• width of transition steepness
• width parameter
• Wiechert seismograph
• Wiedemann-Franz law
• Wiener best filter
• Wiener-Hopf filter
• Wiener-Kolmogorov estimation filter
• Wiener spectrum
• Wiener transform
• Wien's displacement law
• Wien's radiation law
• Wigner-Witmer rule
• Wild theodolite
• Willian Hershel telescope
• Wilson cloud chamber
• winder
• wind gauge
• winding
• winding film