基本解释：脉冲 x 射线
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In this paper is given briefly a survey of situation of simulating pulsed x ray with high current pulsed electron beam accelerator.文章简要介绍了利用强流脉冲电子束加速器模拟脉冲X射线的发展概况及国内脉冲X射线模拟源的发展现状 ,指出作为主要技术途径 ,高功率Z箍缩技术在实现超强脉冲X射线源和ICF驱动源上都有很重要的发展应用前景 ,并提出了今后工作设
Design of portable-pulsed X-ray imaging system;便携式脉冲X射线成像系统研究
To meet the needs of research on new fast scintillation materials,the home-made pulsed X-ray facility for fluorescents lifetime measurement was upgraded by using microchannel plate photomultiplier tube(MCP-PMT),fast preamplifier(FPA)and fast constant-fraction discriminator(CFD).为适应新型超快闪烁材料研究的需要,在原有脉冲X射线时间谱仪的基础上,通过改装微通道板光电倍增管(MCP-PMT),并采用具有快时间响应的前置放大器(FPA)和恒比甄别器(CFD)的方法,使谱仪的时间分辨极限提高到170ps左右。
The blow-off impulse of aluminum induced by pulsed X-ray was simulated by smoothed particle hydrodynamics(SPH) method,and the influence of sublimation energy on impulse was discussed.采用光滑粒子流体动力学方法对金属铝在脉冲X射线辐照下的汽化反冲冲量进行了数值模拟,考察了升华能的变化对冲量的影响。
Research on detectors in X-ray pulsars-based navigation system;基于X射线脉冲星导航系统探测器研究
An X-ray pulsars based autonomous navigation system can provide sufficient navigation information,such as position,velocity,time and attitude.X射线脉冲星自主导航系统可以为深空探测器提供位置、速度、时间和姿态等丰富且自主的导航信息,以X射线脉冲星测得的信息作为量测量,结合轨道动力学方程,对航天器的轨道进行自主估计确定。
The X-ray pulsar-based navigation is a novel technology for the satellite autonomous navigation.基于X射线脉冲星导航(XNAV)是一种新型的卫星自主导航技术。
The Research of the Navigation of Spacecraft Based on the X-Ray Pulsars;基于X射线脉冲星的航天器自主导航方法研究
For reducing the computation complexity of pulse period ambiguity resolution for X-ray Pulsars NAVigation (XPNAV) and improving its convenience in engineering implementation, the Optimization Model for 4 X-ray pulsars localization is presented based on the orthogonality principle.为降低X射线脉冲星导航定位(XPNAV)系统解脉冲周期模糊的复杂度,提高其工程实用性,该文提出一种新的XPNAV系统解脉冲周期模糊算法。
In this paper, firstly,the algorithms of autonomous navigation based on X-Ray pulsars are introduced;secondly the model of the extended Kalman filter which is used in the autonomous navigation based on X-Ray pulsars is established;thirdly,taking the geosynchronous orbit for example,the accuracy of naviga- tion with different initial error,differe.基于X射线脉冲星的天文自主导航方法稳定、可靠、精度高,是航天器自主导航领域重要的发展方向。
The blowoff impulse in materials radiated by the pulsed soft X-ray on Qiangguang-Ⅰ accelerater was measured by using an impulse equipment in which the target-pendulum moves in the rotational way.采用靶摆旋转运动式冲量探头,在“强光一号”加速器上,测量了脉冲软X射线辐射材料产生的喷射冲量。
The development of an ultrashort pulsed X-ray facility for fluorescent lifetime measurement;超短脉冲X射线激发荧光寿命谱仪的设计与研制
In this paper the single X-ray attosecond pulse generation is obtained from two-atom system exposed to the combined laser pulse(800 nm/9.4 fs+24 nm/1 fs)辐照联合两原子体系产生高次谐波,获得了单一的X-射线阿秒脉冲。
