pulse n. 1.脈搏;有節(jié)奏的跳動;【動物;動物學(xué)】脈沖(波);脈動。 2.意向;傾向。 3.【音樂】拍子,律動。 His pulse was at a hundred. 他的脈搏(每分鐘)一百次。 a galloping pulse 急脈。 a high pulse 強(qiáng)脈。 a long [ slow ] pulse 緩脈。 a weak pulse 弱脈。 an action pulse (火箭)觸發(fā)脈沖。 a carry pulse 進(jìn)位脈沖。 a driving pulse 起動脈沖。 feel sb.'s pulse =have one's fingers on the pulse of sb. 按某人的脈;探某人的意向。 stir sb.'s pulses 鼓動某人的情緒;使人興奮。 with quickened pulses 心跳得更快地。 vi. 脈跳動;震動;脈動。 vt. 使發(fā)生脈沖;用脈沖輸送(血等) (in out)。 n. 〔sing., pl. 〕 豆類;豆。
Any process that will compensate for such distortions of the initial pulse should improve reflection quality . 任何補(bǔ)償這類初始脈沖畸變的處理,都能改善反射波的質(zhì)量。
Initial pulse width 始波寬度
When parameters of the initial pulse vary , the phenomenon of the splitting is difference , and the physical mechanism is discussed 對于初始非線性啁啾脈沖,初始入射脈沖的啁啾參數(shù)不同時,產(chǎn)生分裂的現(xiàn)象也不同,并討論了其物理機(jī)制。
Numerical examples illustrated the spatiotemporal properties such as spectrum redshifting , narrowing and pulse distortion , etc . it is stressed that the " antibeam " behavior of ultrashort pulsed beams can be avoided , if a suitable truncation function is introduced to the initial pulse spectrum 數(shù)值計算例說明了在色散介質(zhì)中會出現(xiàn)譜紅移、變窄、及脈沖形變等傳輸效應(yīng),而且對初始光譜引入截斷函數(shù)可以避免“非光束”行為。
Abstract : analyzes the performance of unipolar ocdma system using optical orthogonal code ( ooc ) considering the dispersion and nonlinearity effect of the transmission medium . theoretical analysis demonstrates that dispersion and nonlinearity effect deteriorate the system performance . the performance of ocdma system assuming dispersion - shifted fiber as transmission medium is very close to the case neglecting the dispersion and nonlinearity effect . assuming rz initial pulse and optical hard limiter are also possible solutions 文摘:分析了基于光正交碼( ooc )的光碼分多址系統(tǒng)的性能.數(shù)值結(jié)果表明:與以前忽略光纖信道對系統(tǒng)性能的情況相比,在考慮了光纖的色散和非線性效應(yīng)以后,系統(tǒng)性能有了明顯的下降.給出了一些建議方案來遏制由色散和非線性效應(yīng)引起的系統(tǒng)性能惡化