backward wave

基本解釋

This paper brings forth a new relativistic backward wave oscillator with coaxial extractor.
提出一種新型相對(duì)論返波管同軸引出相對(duì)論返波管結(jié)構(gòu)。
Third-order susceptibility has been determined by the ratio of the input probing beam in tensity to the backward wave intensity in four-wave mixing.
通過測量后向反射波與入射波的強(qiáng)度比，可以確定介質(zhì)的三階極化率。
Backward wave oscillator(BWO) has been used in many mm-wave sources for its advantage of wide band, frequency tunable continuously, and high power output.
返波管振蕩器由于具有帶寬寬、輸出頻率連續(xù)可調(diào)、輸出功率較大等優(yōu)點(diǎn)在毫米波頻段的信號(hào)源中得到了很多應(yīng)用。