回旋管輸出窗頻率特性的研究
STUDY OF THE FREQUENCY RESPONSE OF OUTPUT WINDOW IN GYROTRON
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摘要: 本文對(duì)回旋管輸出窗系統(tǒng)的傳輸特性進(jìn)行了理論研究,給出了圓波導(dǎo)徑向突變的模式散射的近似公式,研究了輸出窗對(duì)工作模式的反射和寄生模式的散射的頻率響應(yīng)。實(shí)驗(yàn)證實(shí)分析是合理的。
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關(guān)鍵詞:
Abstract: When the operating mode wave generated in a gyrotron is going through the output window section, in which the undesired scattering modes that may disturb the normal operating of gryo-tron can be excited by the discontinuities. The transmitting properties of the window section in a gyrotron are analysed theoretically. The approximate formulas for mode scattering on the radial step of cylindrical waveguides are derived. The frequency dependence of wave transmis-sions of the operating mode and undesired modes through the window system are obtained and discussed. The cold measurements show that the theoretical results are reasonable. -
R.A.Waldron著,徐鯉庭譯,被導(dǎo)電磁波原理,人民郵電出版社,1977,第9章,第3節(jié).[2]Q. F. Li and K. R. Chu, Int. J. Infrared and Millimeter Waves, 13(1982), 712. -
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