fan-filter

基本解釋

It is a thin type of fan filter unit ,like a screen .This unit has a distinctive function to prevent the infection being speared and to raise the cleanliness in local area .
該裝置是一種宛如屏風(fēng)的超薄型風(fēng)機(jī)過(guò)濾裝置，對(duì)提高侷部環(huán)境潔淨(jìng)度或預(yù)防傳染（汙染）源擴(kuò)散具有獨(dú)特的傚果。
The circular symmetric filter bank satisfying reconstruction conditions is designed by genetic algorithm. The 9/7 biorthogonal filter bank is mapped to fan filter bank by the mapping function which derived from the Bernstein polynomial.
文中利用遺傳算法設(shè)計(jì)滿足重?fù)k要求的圓對(duì)稱濾波器組,應(yīng)用伯恩斯坦多項(xiàng)式設(shè)計(jì)的映射函數(shù)將9/7雙正交濾波器組映射爲(wèi)扇形濾波器組。
Design of 2-D FIR Fan Filter with Arbitrary Angle
具有任意角度的二維扇形FIR數(shù)字濾波器的設(shè)計(jì)
The infatuated fan stalked the celebrity.
那位著了迷的崇拜者追蹤這位名人。
She glanced shyly at him from behind her fan.
她羞怯地從她的扇子後麪看了他一眼。