名詞 discriminator:

1. a person who differentiates
   同義詞：differentiator

dis.crim.i.na.tor

n.（名詞）
One that discriminates.
鑒別者，辨別者
Electronics A device that converts a property of an input signal, such as frequency or phase, into an amplitude variation, depending on how the signal differs from a standard or reference signal.
【電子學(xué)】 鑒別器，鑒頻器：一種將輸入信號的某一特征，如頻率或相位轉(zhuǎn)變?yōu)榉茸兓b置，其變化大小因信號與標準或參考信號的不同程度而異