The emission of repetition rate and intense current electron beam has different character with single pulseemission, and it has different request to the cathode.
与单脉冲工作的二极管相比，重复频率运行的强流电子束二极管具有不同的特点，对阴极也有不同的要求。
2
The statistic characteristics of single photon emission in single semiconductor quantum dot with pulse excitation have been investigated.
研究了脉冲激发下单个半导体量子点中单光子发射的统计特性。
3
The principle of impulse radio (IR), several kinds of pulse generators, pulse modulation and signal emission for UWB radio, as well as characteristics of UWB-IR are mainly presented and concluded.