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.
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.
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.
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.
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.
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.
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.
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