n. 調(diào)整,調(diào)節(jié);(聲調(diào)的)抑揚(yáng),變化;【音樂】轉(zhuǎn)調(diào),變調(diào);【無線電】調(diào)制。 amplitude modulation 振幅調(diào)制,調(diào)幅。 frequency modulation 頻率調(diào)制,調(diào)頻。 overmodulation 過(度)調(diào)(制)。
These two modulations are quite distinct . 這兩個(gè)調(diào)幅性質(zhì)十分不同。
Our fifth concern is with modulation noise . 我們要討論的第五個(gè)問題是調(diào)制噪聲。
Frequency modulation does not allow static to creep in . 頻率調(diào)制不允許靜電干擾混入。
Frequency modulation is not possible with polychromatic light . 多色光不可能調(diào)制頻率。
The soft modulation of her voice soothed the infant . 她聲調(diào)柔和的抑揚(yáng)使嬰兒安靜下來。
The nodal modulation is a very significant feature of the tides . 交點(diǎn)調(diào)節(jié)是一個(gè)非常重要的潮汐特征。
It was the voice of a born orator, rich in possible modulations . 這是一個(gè)天生演說家的富于抑揚(yáng)頓挫的聲音。
Position control of d. c. motors has been done by means of pulse width modulation . 直流電機(jī)位置用脈沖寬度調(diào)制法控制。
Mode locking can be induced not only by loss modulation, but also by phase modulation . 鎖模不僅可用損耗調(diào)制取得,也可用位相調(diào)制來得到。
Evidently, there is another motion to be concerned with and that is the propagation of the modulation envelope . 顯然,還應(yīng)當(dāng)考慮另外一種運(yùn)動(dòng),那就是調(diào)制包絡(luò)的傳播。
a musical passage moving from one key to another 同義詞:transition,
百科解釋
In electronics and telecommunications, modulation is the process of varying one or more properties of a periodic waveform, called the carrier signal, with a modulating signal which typically contains information to be transmitted. This is done in a similar fashion to a musician modulating a tone (a periodic waveform) from a musical instrument by varying its volume, timing and pitch.