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。
Study of low jitter and small drift switch pulse generator 低抖動小漂移開關(guān)脈沖發(fā)生器研究
Actuator switching pulse 激勵器轉(zhuǎn)換脈沖
( 3 ) without driving signal , all fiber q - switched lasers can achieve self q - switched pulse , measuring the effect of different pumped power to self q - switched and giving reasonable theory analysis ( 3 )全光纖調(diào)q激光器,在沒有驅(qū)動信號的情況下,得到自調(diào)q脈沖,測量了在不同泵浦功率條件下對自調(diào)q現(xiàn)象的影響,并從理論上給予了合理的分析。
The laser ’ s output power is amplified by utilizing the surplus pump energy . the laser ’ s self - q - switched pulses are observed and theoretically analyzed . ( 2 ) an erbium - ytterbium co - doped fiber laser is realized through co - operation 通過充分利用剩余泵浦功率使兩路激光的輸出功率分別提高了6db和0 . 62db ;對輸出激光的自調(diào)q現(xiàn)象進(jìn)行了理論分析。
Furthermore , the growth of escherichia coli tg1 and staphyloccus aureur atcc25923 were not under the influence of apss . the switching pulse induced a perceptible sustained transmembrane current on the planar lipid bilayer after unpurified aps added 機(jī)理研究表明未經(jīng)純化的aps作用于脂質(zhì)平面膜,可以形成跨膜電流,提示活性成分可能通過改變脂質(zhì)雙層膜通透性抗菌。
Are concerned the theoretical analysis and experiment research on diode - end - pumped and diode - side - pumped nd : yag lasers , and e - o q - switched technologies . the diode - pumped e - o q - switched pulse solid - state laser is studied , and the 1 u j of output energy at 1 . 064 u m of less than 40ns pulse width laser is obtained 研制出一臺“二極管泵浦電光調(diào)q的脈沖固體激光器” ,激光輸出波長為1 . 064 m ,脈寬寬度小于40ns ,單脈沖能量約1微焦,輸出模式為tem _ ( 00 )模。
With the joint action of the q - switched pulse laser of 532nm and continuous probe light of different wavelengths , fast photoresponse characteristic of photocycle of a wild - type br film ( wt3 ) and photoabsorption characteristic of different intermediary in the photocycle are analyzed and discussed . the optical switch action in the microsecond scale is observed in the experiment 在532nm的調(diào)q脈沖激發(fā)光和不同波長的連續(xù)探測光作用下,分析和研究了野生型的細(xì)菌視紫紅質(zhì)( wt3 )膜的光循環(huán)過程中的快速響應(yīng)特性及各中間態(tài)的快速光吸收特性,得到了微秒級的快速光開關(guān)結(jié)果。
The main circuit of the design in this article we used is fb zvs pwm dc / dc converter , full bridge zero voltage switching pulse width modulation dc / dc converter , which is a full bridge circuit composed of four power switches using resonance to implement zero voltage when turning - on or turning - off 本文設(shè)計的通信電源充電模塊的主電路采用的是fbzvspwmdc dc變換器,即全橋零電壓開關(guān)脈沖寬度調(diào)制的直流變換器,它是由4個功率開關(guān)管組成的全橋電路,利用諧振使每個開關(guān)管在零電壓的條件下完成導(dǎo)通和關(guān)斷。
The self - q - switched pulses of high erbium - doped fabry - perot cavity fiber laser are observed and theoretically analyzed . ( 2 ) . utilizing the non - linearity characteristics of single mode fiber - back stimulated brillouin scattering ( bsbs ) and the wavelength - selecting characteristics of fiber gratings , self - q - switched pulses are achieved from a linear cavity erbium - doped fiber laser pumping by a 980nm ld continue wave ( cw ) pumping , the pulse width is 2 . 2ns and the repetition frequency of pulses is 64 . 5mhz ( 2 )利用單模光纖的非線性效應(yīng)背向受激布里淵散射( bsbs )和光纖光柵的選頻特性,采用980nm半導(dǎo)體激光器連續(xù)泵浦方式,在線性腔摻鉺光纖激光器中實現(xiàn)了自調(diào)q運(yùn)轉(zhuǎn),獲得脈沖寬度( fwhm )約為2 . 2ns ,重復(fù)頻率為64 . 5mhz的穩(wěn)定的光脈沖輸出。