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- periodic short pulse 周期性窄脉冲, 周期性短脉冲
- A high power LD pumped acousto-optic Q-switched Nd:YVO_4 laser is reported. Short pulse of 1 064nmis obtained. 利用半导体激光器(LD)连续单端泵浦Nd:YVO4晶体,实现了声光调Q输出1064nm的短脉冲。
- Under this circumstance, the effect of the Fabry-Perot filter to a short pulse signal may affect the following short pulse signals. 本文推导出了高斯型光脉冲经过滤波器后输出脉冲的时域表达式。
- Our transmitter is sending out a series of short pulses. 我们的发射机正在发射一系列短脉冲。
- The project mainly includes earthwork and stone project, construction period short, simple form of construction work, and less construction machinery. 工程主要是土方和石方工程,施工期短,施工方式简单,施工机械少。
- Put forward a method that using CMOS chip of delay and ECL gate to generator short pulse,and analyzing the principle of generation. 用于超宽带穿墙雷达的脉冲产生技术是一种无载波极窄脉冲产生技术,在无线电通信领域有着广阔的应用前景。
- The ultrasonic receiver, after receiving to and meeting the reflection wave that the barrier reflects back, offer a short pulse to the one-chip computer too. 超声波接收器则在接收到遇障碍物反射回来的反射波后,也向单片机提供一个短脉冲。
- It has been proved by trial production of the mode of engine valve that high frequency short pulse electrochemical machining(HSPECM) is the available technical approach to enhance the accuracy of ECM. 气门模具的试生产表明,高频窄脉冲电解加工工艺是提高电解加工精度的有效技术途径。
- The analyzed results show that an angular pump beam is more efficient than collinear propogation for the pump intensity-averaging and the pump energy extracting by a short pulse seed beam. 与同轴泵浦相比斜入射泵浦更有利于实现泵浦光的光强平均和短脉宽种子光对泵浦光的能量提取。
- Chairman Mao wondered if we could carry out economic development within a period shorter than twenty-odd years and avoid making major mistakes and suffering serious setbacks. 毛主席说,现在我们搞经济建设,是不是可以不要花二十几年的时间而花更短一点的时间学会,并且不犯大错误,不栽大跟头。
- High frequency short pulse electrochemical machining(HSPECM) characterized by higher machining precision and better machining stabilization can process workpiece in smaller dimensions. 高频窄脉冲电化学加工具有加工精度高、稳定性好等优点,可以加工出微小尺寸的工件。
- In the paper the feature, character and applications of short pulsed solid state laser are introduced. 摘要文章简要介绍了短脉冲固体激光器的特点、性能及应用。
- actively mode-locked short pulse ruby laser 主动锁模短脉冲红宝石激光器
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- Study on Short Pulse Width XeCl Laser 短脉宽XeCl激光器的实现及光脉冲参数的测量
- Accounting periods are divided into annual periods (yearly) and interim periods. An interim period is a reporting period shorter than a full accounting year. 会计期间分为年度和中期。中期是指短于一个完整的会计年度的报告期间。
- L-NNA delayed colonic transit compared with saline and prevented the accelerative effect of CES with trains of short pulses on colonic transit. 3. 2.;与生理盐水组相比;L-NNA减慢了结肠传输;并阻断了串脉冲结肠电刺激对结肠传输的促进作用。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。