| 1. | 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 |
| 2. | Actuator switching pulse 激励器转换脉冲 |
| 3. | ( 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。 |
| 4. | 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。 |
| 5. | 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。 |
| 6. | 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。 |
| 7. | 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。 |
| 8. | 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。 |
| 9. | 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。 |