The high-current electron beam in the over-mode waveguide had driven the many kinds of microwave modes, it is very significant to study the high power microwave by measuring the microwave mode.
强流电子束在过模波导中可能激励多种微波模式，测量微波模式对研究高功率微波产生的机理很有意义。
2
The method of measuring the energy spectrum of a highcurrent and short pulse beam using optical transition radiation is presented in the paper.
论述了用光学渡越辐射对强流短脉冲束团的能谱进行测量的理论和方法。
3
Yttriated Tungsten is primarily used in military and aviation industry with narrow arc beam, high compressing strength, highest welding penetration at medium and high current.