High efficiency and high linearity space travelingwave tube (TWT) is required for satellite communication system as a high power, high gain microwave amplifier.
作为卫星通讯系统所用的高增益、高功率微波放大器件，行波管的效率和线性是非常重要的。
2
Gyrotron travelingwaveamplifier is a very important high power millimeter wave source for radar applications.