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- single pulse voltmeter 单脉冲伏特计
- A single pulse in a group of pulses. 一组脉冲中的一个单脉冲。
- When LD pumped with single pulse,a Q-switch laser pulse with 0.48 mJ energy and 34 ns pulse duration was obtained. 当LD单次脉冲抽运时;在34mJ的抽运能量下;获得能量为0.;48mJ、脉宽34ns的调Q脉冲。
- Abstract :This article introduces the way that modulator circuit of the single pulse radar was realized by IGBT. 摘要:介绍了用IGBT实现单脉冲雷达调制器电路的方法;
- In the paper, FWHM(half maximum and half width) method is used to determine the single pulse position. 但是,扫描相机扫描速度的不均匀性(或称非线性)是一个普遍存在的问题,它直接影响到扫描时间的测量。
- Compared with the performance of normalized single pulse signal and linear frequency modulation signal (LFM), a new method is presented. 摘要从归一化的单脉冲信号和LFM信号性能比较分析入手,提出了一种新的分析方法。
- The fundamenwh of single pulse gslvanostatic polarization technique for corrosion ratemeasurement of medal are described. 描述了单脉冲但电流极化技术测量金属腐蚀速率的基本原理。
- Electronic Starter use by Single pulse wave, which can reduce thermal electron number and to delay Black light and maturing for extend tube life. 起动器采单一脉波点灯,单脉波可减少热电子激发次数,进而延缓黑化、老化现象,延长灯管寿命。
- Based on the DBF,PD and single pulse technologies, the parameters of multiple targts can be measured by combination of space, time and frequency domains. 该方法借助数字波束形成(DBF)、脉冲多普勒(PD)和单脉冲技术在空域、时域、频域内完成目标测量。
- Signal processing model is established, which is based on single pulse angle tracking system, mainly including AGC, Doppler signal detecting and angle tracking. 信号处理模型则根据单脉冲体制角度跟踪系统的处理模式建立,包括自动增益控制、多普勒信号检测和角跟踪处理等;
- How to get the rules of phase-shifting from the coherent integration of single pulse is first introduced, on the basis of which an approach to restoring PSK sequence is derived. 为了提高算法的性能,采用多重相关积累对算法进行了改进。
- In the experiments, it was found that the momentum coupling coefficient of multi-pulse propulsion was lower than that of the single pulse case for the air-breathing mode. 摘要研究了大气模式激光推进中多脉冲推进的冲量耦合系数低于单脉冲推进的冲量耦合系数的机理。
- The system includeS beam attenuator, single pulse selection and pulse synchronizing, beam matching, CCD Camera, frame grabber hard, monitor, computer and system software. 整个装置包括光束衰减器、单脉冲选取及脉冲同步、光束直径匹配、CCD摄像机、图像卡、计算机及监示器以及系统软件。
- The numerical results show that compared with inputting a single pulse,the compression method based on cross-phase modulation can improve the compression ration,and the fiber length is decreased. 数值计算表明,与在色散渐减光纤中只输入信号脉冲的单脉冲压缩相比,基于交叉相位调制效应的脉冲压缩方式能提高脉冲的压缩比,且对应最大压缩时所需的光纤长度也较大程度缩短。
- Same as working under single pulse mode, velvet can emit intensive electron beams too under multi-pulse mode and electron emission density is up to 100A/cm~2. In the experiment, phenomena of emitting non-uniform and instability are observed. 在猝发多脉冲工作模式下,天鹅绒阴极仍具有强流发射能力,发射电流密度可以达到100A/cm~2。
- Based on Q switched diode-pumped solid-state (DPSS) Nd:YAG laser,the single pulse interval laser surface micro-machining technology was adopted to machine the surface of gray cast iron. 在声光调Q二级管泵浦固体光源(DPSS)Nd:YAG激光器基础上,采用“单脉冲同点间隔多次”激光微加工工艺,对灰铸铁材料进行表面微造型加工。
- Based on the difference of measuring errors between spectrum and a single pulse, the article introduces a procedure which can improve the specification of non-linearity of commercial ADC for spectrum measurement without channel-width-everaging circuit. 摘要根据放射性能谱测量的误差并不等于对单个脉冲测量的误差的特点,提出一种先测出模数变换器的道宽,然后利用软件方法进行道宽均匀的技术。
- In this paper,we report that the mode locked operation of a flashlamp pumped Nd:YAG laser was realized and a single pulse train was obtained,using the pentamethine cyanine,Cr 4+ :YAG and LiF:F - 2 as saturable absorber respectively. 本文报道采用五甲川染料、Cr4 +:YAG和LiF :F-2 分别作为可饱和吸收体实现闪光灯泵浦的Nd :YAG激光器的锁模运转 ,得到稳定的单脉冲序列。
- The shadowgraph and a single pulsed fuel injection system were used to study diesel transversely injected into a subsonic and supersonic flow. 改造普通油嘴,采用单次高压燃油喷射系统和阴影照相,首次研究了柴油射流柱在亚、超声速气流中横向非定常喷射问题。