After many debugs, we find the result of the spatial focusing is good, but, because of the large noisy signals, the time focusing process is hard to debug.
发现束流的空间聚焦调试结果较好，但时间聚焦的调试由于存在较大的噪声信号，因而很难进行。
At last, we introduce the simulation calculation about the spatial focusing and the time focusing of the slow positron beams and the debug of the corresponding subsystems.
最后介绍了慢正电子束流空间聚焦和时间聚焦的模拟计算以及相应的装置调试。
A double focusing, non spatial dispersion magnet design has been suggested to substitute the achromatic principle for improving the beam characteristics on target of the medical accelerator.
本文提出以双聚焦、无空间色散的设计原则，来代替常用的全消色差设计原则，使医用电子直线加速器的偏转磁铁能够具有更好的特性。
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