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单词 velocity modulation
释义

velocity modulation


velocity modulation

n (General Physics) the modulation in velocity of a beam of electrons or ions caused by passing the beam through a high-frequency electric field, as in a cavity resonator

velocity modulation


velocity modulation

[və′läs·əd·ē ‚mäj·ə′lā·shən] (electronics) Modulation in which a time variation in velocity is impressed on the electrons of a stream. A television system in which the intensity of the electron beam remains constant throughout a scan, and the velocity of the spot at the screen is varied to produce changes in picture brightness (not in general use).
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更新时间:2025/2/24 2:14:37