The effect on pulse compression in dispersion managed fibers is studied.
本文研究了色散管理光纤中超短光脉冲的压缩效应。
An algorithm of radar emitter recognition based on pulse sample figure is proposed in this paper.
因此针对这种情况,提出了一种基于脉冲样本图雷达辐射源识别算法。
In this paper, on-line detection for composite insulator based on pulse current method is studied.
利用脉冲电流法检测系统对合成绝缘子在不同电压下的脉冲电流特性进行了研究。
A method about pulse laser peak power measurement based on pulse stretched and peak hold is introduced.
本文介绍了一种基于脉冲展宽与峰值保持原理实现高速脉冲激光峰值功率测量的方法。
Last, this paper brings forward an alarm mode of tire pressure abnormity based on pulse intercomparison.
提出了基于脉冲数互比的轮胎气压异常报警模式。
The Pulse Step Modulation is applied to inverter, and a cascaded inverter based on pulse step modulation is presented in this paper.
将脉冲阶梯调制技术应用到逆变器领域,提出了基于脉冲阶梯调制的级联型逆变器。
Based on pulse test, the pulse response curve and flow recession curve are analysed for studying the structure of karst aquifer medium.
通过脉冲试验,采用测站脉冲响应曲线及流量衰减曲线分析,对后寨河流域含水介质结构进行了研究。
By assuming a Gaussian temporal shape of laser pulse, some numerical results of the threshold dependence on pulse duration are presented.
通过假设激光脉冲为高斯型,数值计算得到了激光脉冲宽度与激光辐射损伤间的依赖关系。
Objective To investigate the effect of nitric acid ester on pulse pressure(PP) in elderly patients with isolated systolic hypertension(ISH).
目的观察硝酸酯类药物对老年单纯收缩期高血压(ISH)患者脉压(PP)的影响。
The method is based on Pulse echo characteristic in oil film. Separatingone pulse echo from reflected pulses, the oil film change is demonstrated.
其基本原理是超声波在油膜层中的反射波中分离出一条与油膜厚度的变化同步变化的反射脉冲井进行处理以显示油膜厚度。
System reliability can thus be enhanced by increasing minimum turn-on pulse width and turn-off pulse width, without decreasing system specifications.
因此可以通过增加最大、最小窄脉冲宽度提高系统的可靠性,而不影响系统的性能。
Based on pulse counting principle, the high precision time interval can be obtained by measuring the number of the high-frequency reference clock through it.
设计了一种高精度时间间隔测量模块,该模块由单片机控制,采用脉冲计数原理,通过测量时间间隔内高频参考时钟个数,得到被测时间间隔的精确值。
The tests on pulse-generating of the two in the same pulsed supply circuit are carried out, and the indexes of pulse shape and repeat frequency are compared.
在相同的脉冲电源电路中采用两种开关进行了脉冲产生试验,对比了脉冲形态、重复频率等指标。
In order to reduce child drowning in the unattended ponds or swimming pools, a design method of a pool alarm sensor based on pulse-width anti-narrow is proposed.
为了减少无人看守的水池或游泳池中小孩的溺死事件,提出了一种基于脉宽反窄的水池警报传感器设计方法。
Chapter5: The effect of cross-phase modulation (XPM) on pulse propagation and SC spectrum generation in a dispersion-flattened and decreasing fiber are researched.
第五章:研究了在色散平坦渐减光纤中,交叉相位调制效应对光脉冲的传输以及超连续谱产生的影响。
We often get less information by the other three diagnosis in the treatment of Vitiligo. More attention and comprehension on pulse feeling can surely cure Vitiligo well.
在白癜风治疗中,我们从望闻问三诊中获得的信息相对较少,对脉诊的重视与仔细揣摩可以有效地提高临床对白癜风的治疗水平。
And then a method of partial discharge monitoring based on pulse current and a technique of fault diagnosis based on the minimum distance method to stator winding are presented.
接下来提出采用脉冲电流法完成定子放电故障信号的采集,应用基于最小距离法对定子局部放电样本进行故障识别。
The thickness of blood vessels, inside diameter, area, flow, the length of color flow column, maximum velocity, acceleration and deceleration time were of good value on pulse tension.
对确定脉体有价值的指标是寸口脉管壁的厚度、管腔内径、管腔面积和血流量的大小以及寸口脉血流柱的长度、峰值流速血流、加速度和减速时间。
A method based on pulse injection was put forward to test the light-current-voltage (LIV) characteristics of laser diode (LD), and a new type of pulse measurement system was developed.
为精确测试半导体激光器(LD)的光功率-电流-电压(LIV)特性,提出一种基于脉冲注入调制的方法,并据此研制新型的LD脉冲测试系统。
This paper analyzes and assesses the pulse vacuum sterilizer and its application risk, specifically describes the preventive measures of the application risk on pulse vacuum sterilizer.
对脉动真空灭菌器的应用风险进行了分析和评估,具体阐述针对脉动真空灭菌器的应用风险所采取的防范措施。
The operating distance of a laser radar system is determined on pulse energy, pulse width, beam divergence angular, atmosphere attenuation, target reflection, receiver sensitivity and so on.
激光雷达系统的作用距离由下列因素决定:脉冲能量、脉冲宽度、光束发散角、大气衰减、目标反射率和接收机灵敏度等。
Effects of encounter time on pulse shapes are theoretically and experimentally researched, and pulse shapes versus the distance between the two amplifiers are achieved with various encounter .
理论和实验研究了相遇时间对双布里渊放大池放大控制脉冲波形的影响,得到了不同相遇时间下,脉冲波形随双池间距的变化规律。
The effects of group-velocity mismatch and dispersion, third-order nonlinear phase modulation on pulse shape, spectrum distribution and conversion efficiency of second-harmonic pulse were discussed.
详细讨论了群速度失配、群速度色散和三阶非线性相位调制效应对倍频光脉冲波形、光谱及转换效率的影响。
Comparing with the differential range method that early radar adoptive for measuring velocity, the radar, which based on Pulse-Doppler theory, has the better real time capability and high precision.
与早期雷达采用距离微分方法测速相比,基于脉冲多普勒理论的雷达测速技术具有实时性好、精度高等优点。
We're obligated to keep a pulse on the population for at least five years after the foxes are delisted.
在狐狸被除名后的至少五年时间里,我们有义务继续监测狐狸种群。
Managers must themselves feel the pulse of change on a daily, continuous basis...
管理者自己必须每天并且不断的感觉到变化的脉搏……
"The idea is that the time that the pulse is on is about a quarter of a period of a vibration, " Sankey said.
桑基解释:“办法就是在四分之一的震动周期中施加脉冲,就像推小孩儿荡秋千一样,一个脉冲推动一次”。
So, as crude as they are, tallies of species' statuses let conservationists take the pulse of life on the planet.
因此,尽管粗略,物种状态的计数让自然资源保护学家们感受到行星上生命的脉动。
So, as crude as they are, tallies of species' statuses let conservationists take the pulse of life on the planet.
因此,尽管粗略,物种状态的计数让自然资源保护学家们感受到行星上生命的脉动。
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