pulse n. 1.脉搏;有节奏的跳动;【动物;动物学】脉冲(波);脉动。 2.意向;倾向。 3.【音乐】拍子,律动。 His pulse was at a hundred. 他的脉搏(每分钟)一百次。 a galloping pulse 急脉。 a high pulse 强脉。 a long [ slow ] pulse 缓脉。 a weak pulse 弱脉。 an action pulse (火箭)触发脉冲。 a carry pulse 进位脉冲。 a driving pulse 起动脉冲。 feel sb.'s pulse =have one's fingers on the pulse of sb. 按某人的脉;探某人的意向。 stir sb.'s pulses 鼓动某人的情绪;使人兴奋。 with quickened pulses 心跳得更快地。 vi. 脉跳动;震动;脉动。 vt. 使发生脉冲;用脉冲输送(血等) (in out)。 n. 〔sing., pl. 〕 豆类;豆。
Study of low jitter and small drift switch pulse generator 低抖动小漂移开关脉冲发生器研究
Actuator switching pulse 激励器转换脉冲
( 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 )全光纤调q激光器,在没有驱动信号的情况下,得到自调q脉冲,测量了在不同泵浦功率条件下对自调q现象的影响,并从理论上给予了合理的分析。
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 通过充分利用剩余泵浦功率使两路激光的输出功率分别提高了6db和0 . 62db ;对输出激光的自调q现象进行了理论分析。
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 机理研究表明未经纯化的aps作用于脂质平面膜,可以形成跨膜电流,提示活性成分可能通过改变脂质双层膜通透性抗菌。
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 研制出一台“二极管泵浦电光调q的脉冲固体激光器” ,激光输出波长为1 . 064 m ,脉宽宽度小于40ns ,单脉冲能量约1微焦,输出模式为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的调q脉冲激发光和不同波长的连续探测光作用下,分析和研究了野生型的细菌视紫红质( wt3 )膜的光循环过程中的快速响应特性及各中间态的快速光吸收特性,得到了微秒级的快速光开关结果。
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 本文设计的通信电源充电模块的主电路采用的是fbzvspwmdc dc变换器,即全桥零电压开关脉冲宽度调制的直流变换器,它是由4个功率开关管组成的全桥电路,利用谐振使每个开关管在零电压的条件下完成导通和关断。
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 )利用单模光纤的非线性效应背向受激布里渊散射( bsbs )和光纤光栅的选频特性,采用980nm半导体激光器连续泵浦方式,在线性腔掺铒光纤激光器中实现了自调q运转,获得脉冲宽度( fwhm )约为2 . 2ns ,重复频率为64 . 5mhz的稳定的光脉冲输出。