modulation
n. 調製; 調幅度; 移調
If you modulate your voice or a sound, you change or vary its loudness, pitch, or tone in order to create a particular effect.
He carefully modulated his voice.
他小心地壓低了聲音。
To modulate an activity or process means to alter it so that it is more suitable for a particular situation.
These chemicals modulate the effect of potassium.
這些化學物質可以調節鉀的功效。
1. a musical passage moving from one key to another
2. (electronics) the transmission of a signal by using it to vary a carrier wave; changing the carrier's amplitude or frequency or phase
3. rise and fall of the voice pitch
4. a manner of speaking in which the loudness or pitch or tone of the voice is modified
5. the act of modifying or adjusting according to due measure and proportion (as with regard to artistic effect)
The famine turned the normal modulation of climate into disaster.
正常的氣候變化因饑荒而成了災難。
The soft modulation of her voice soothed the infant.
她柔和的聲調使嬰兒安靜了.
Frequency modulation does not allow static to creep in.
頻率調製不允許靜電干擾混入.
Our fifth concern is with modulation noise.
我們要討論的第五個問題是調製噪聲.
This system of modifying the carrier waves is called " Amplitude Modulation, " or " AM ".
這個改變載波的系統稱為 “ 振幅調製 ” 或縮寫為 “ AM ”.