中文摘要：

太赫兹行波管具有输出功率高、频带宽、紧凑轻便等优点，是一种理想的太赫兹辐射源，可望在军事、民用领域得到广泛应用。本文对国内外太赫兹行波管的研究现状进行了较详细的介绍和归纳总结，并对其发展趋势做了论述分析。

英文摘要：

THz traveling wave tubes have the virtue of high power radiation, broad band and portability. They have broad potential applications in military, civil areas as ideal THz radiation sources. This paper introduces in detail the recent development and status of THz traveling wave tubes, and gives remarks on the developing trend of THz traveling wave tubes.