金属光阴极的热发射度由两部分构成。
Thermal emittance of metal photo-cathode mainly consists of two parts.
在考虑到H函数的匹配时，计算了储存环最低束流发射度；
The calculation of the lowest emittance of the storage ring was carried out while considering H function matching condition;
螺线管磁场透镜不可避免地具有球差，因此引起束流发射度增加。
Solenoids show inevitability their spherical aberration, which increases beam effective emittance.
不同加速段间的束流匹配是减少束流损失和发射度增长的关键之一。
Beam matching between the different accelerator sections is one of the key points to reduce the beam losses and emittance growth.
给出了束发射度计算结果，并与国外同类型加速器的实测作了比较。
Finally, we compare the calculated results of extracted beam emittance with the measured results from similar cyclotron.
带电粒子束在穿过加速结构时激起的尾场，会导致束流能散和发射度的增大。
When charged particle beams traverse in an accelerating structure, the excited wake fields may dilute the beam energy spread and emittance.
直线加速器中电荷束团的非线性效应是导致束流发射度增长的一个重要原因。
The nonlinear space charge effect of bunched beam in Hnac is one of the important reasons that induces the emittance growth because of the conversion of the field energy to kinetic energy.
实验结果表明，修正三梯度方法是强流脉冲电子束发射度测量的一种有效的手段。
The results show that the MTGM method is an effective way of emittance measurement for intense pulse electron beam.
研究结果表明，电子束能量、发射度、击靶半径的影响很大，在闪光机的总体设计中必须加以认真考虑。
It is found that the effects of the parameters, especially of energy, emittance, and radius on target, are serious and must be considered in the design of flash X ray radiographic machine.
利用数值模拟方法研究了加速场强、注入相位、束团大小、形状、电荷等因素对束流横向发射度产生的影响。
The effect of field strength, initial phase, bunch shape and charge on electron beam transverse emittance is also explored by numeric simulation method.
该系统可以实时显示束团截面形状以及测得的束团截面尺寸、发射度和耦合度，同时可以进行图像离线分析。
The system can display the beam profile size, emittance and coupling real time, and analyze the image offline.
在束流横向发射度的分析中，引入了发射度增长因子的概念，使得在分析线性效应引起发射度增长时的物理图像更加清晰。
To make the physics image clear in analyzing the transverse emittance growth, we introduced the conception of emittance growth factor for linear effect induced transverse emittance growth.
该公司在一份声明中指出，发射证明了“炮塔系统的结构完整性和整合的固有准确度”。
The company said in a statement that the firings proved "the structural integrity of the turret system and the inherent accuracy of the integration".
换句话讲，一个做抛物体，在它的发射角度是45度的时候飞的最远。
A projectile, in other words, travels the farthest when it is launched at an Angle of 45 degrees.
为了完成北斗区域卫星导航系统建设提供的高精确度和高可靠性导航服务，中国将在未来两年里发射更多的卫星。
To complete a regional network to provide navigation services with high precision and credibility, China will launch more satellites within the coming two years.
弗罗里达的卡纳维尔角纬度比拜科努尔低，只有28.8度，因此美国和俄国想要发射到国际空间站是很容易的。
Because Cape Canaveral is at a lower latitude than Baikonur at 28.8 degrees, it is possible for both the Americans and Russians to easily reach the ISS.
国际空间站的倾角是51.6度，是在拜科努尔航天发射基地(也叫丘拉塔姆)发射的，纬度为46度。
The 51.6-degree inclination of the ISS was determined by the latitude of Baikonur Cosmodrome (also called Tyuratam), of 46 degrees.
于是功率放大器的线性化以及提高效率的技术被采用来改善发射器的线性度和效率。
Linearization and efficiency enhancement techniques of power amplifier can be adopted to improve the linearity and power efficiency of the transmitter.
那个叫做Mini-SAR的雷达，通过向月表发射左旋极化电磁脉冲来测定月球的表面粗糙度。
The radar, called the Mini-SAR, sends pulses of left-polarized radio waves out to measure the surface roughness of the moon.
本周，发现者号曾经两度尝试发射但都取消了。因为雷雨和航天飞机燃油阀的技术问题。
Two earlier attempts to launch Discovery were scrubbed this week, because of lightning storms and a technical problem with the shuttle's fuel valve.
于是多种不同功率放大器的线性化技术被采用来改善无线发射机的线性度及效率。
Various PA linearization techniques have been adopted to improve linearity and power efficiency of wireless transmitters.
仿真结果表明，对不同的信道条件，适当选择天线发射不仅可以增加信道容量，而且可以降低系统的复杂度和射频成本。
The results of simulation show that antenna selection of transmitter not only can increase capacity, but can also reduce complexity and cost of RF chains for given channels.
航天发射场的加注系统是提供燃料的重要设备，需要进行可靠性分析和评定，分析影响系统可靠性的因素，确定其可靠度。
Fuel supply system of launch site is a very important system, and its reliability analysis and evaluation is required for analyzing the influence factors and evaluating its reliability.
最先进的地球观测卫星将于下周发射，它将以前所未有的分辨率和精确度来测绘地球的重力场。
The most sophisticated Earth observation satellite will launch next week to map our planet's gravitational field with unprecedented resolution and accuracy.
采用进口双镜，寻找目标快高清晰度CCD，快速定格图象无雪花点适应任何场合，隐蔽精致、发射接收距离500米以上。
Imported double mirror, looking to target fast high-resolution CCD, quick freeze image without snow adapt to any occasion, subtle delicate, transmitting and receiving distance of 500 meters.
并最终要发射一个观测宇宙网专用的比现有系统灵敏度更高的空间望远镜。
And ultimately launch a dedicated space observatory to observe the cosmic web with a much higher sensitivity than possible with current missions.
窄带成像技术将结肠镜常规发射的白光改变为蓝光，以此提供一个较窄的波长，加强结肠表面结构的视觉对比度。
NBI changes the white light normally emitted by the colonoscope to a bluish light, providing a narrower wavelength and enhancing visual contrast of the surface structure of the colon.
影响碳纳米管阴极场发射稳定性和寿命的主要因素有真空度、场发射过程中的热效应以及场发射体对场发射电流的承载能力等。
Field emission stability and life time of CNT cathode is closely related with the vacuum level, thermal effects during the emission and the current transport capability.
影响碳纳米管阴极场发射稳定性和寿命的主要因素有真空度、场发射过程中的热效应以及场发射体对场发射电流的承载能力等。
Field emission stability and life time of CNT cathode is closely related with the vacuum level, thermal effects during the emission and the current transport capability.
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