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磁控管的工作机理是以极其复杂而著称的。虽然人们对它做了大量的研究和试制,但是由于阴极、交感空间的电子云、谐振腔三者之间互相依存,互相制约,使得全面而清晰的物理图象还未能得到。人们为了使问题简化,曾用无谐振腔的光筒阳极管,或称“静态”磁控管来作试验。可是与主观愿望相反,发现一些更难解释的现象,统称为磁控管基本问题。兹将它们简要分述如下: 一、不能得到Hull截止 在圆筒形磁控管中,Hull假定单个电子
The working principle of magnetrons is very complex and known. Although people do a lot of research and trial, but due to the cathode, the sympathetic space of the electron cloud, the resonant cavity between the three interdependence, mutual restraint, making a comprehensive and clear physical images have not yet been obtained. In order to simplify the problem, people have used the non-resonant cavity light tube anode tube, or “static” magnetron for testing. However, contrary to the subjective desire, some more difficult to explain the phenomenon, collectively referred to as the basic problem of magnetron. They are briefly described as follows: First, can not get Hull End of the cylindrical magnetron, Hull assumed a single electron