用電磁場(chǎng)算子理論分析脊波導(dǎo)的傳輸特性
Analysis of the Transmission Property of Ridge Waveguide with Operator Theory
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摘要: 該文用電磁場(chǎng)算子理論通過(guò)多個(gè)虛擬邊界的電場(chǎng)和磁場(chǎng)的耦合求解脊波導(dǎo)的本征值，在此基礎(chǔ)上討論了脊波導(dǎo)的的傳輸特性。所采用的并矢格林函數(shù)沒(méi)有奇異項(xiàng)，可以化為標(biāo)量格林函數(shù)來(lái)表示，而且能很方便地計(jì)算，并與經(jīng)典方法計(jì)算的結(jié)果進(jìn)行了比較。
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關(guān)鍵詞:
- 矢量偏微分算子; 并矢格林函數(shù); 脊波導(dǎo); 本征值
Abstract: The eigenvalues of ridge waveguide are solved with the matching of electric and magnetic field on the multiple virtual boundaries by partial differential operator theory and the property of ridge waveguide is discussed. The dyadic Greens function has no singularity and can be transformed into scalar Greens function. The results computed by partial differential operator theory are compared with those computed by equivalent transmission line method. -
宋文淼.并矢格林函數(shù)和電磁場(chǎng)的算子理論.合肥:中國(guó)科技大學(xué)出版社,1991,第9章.[2]宋文淼.現(xiàn)代電磁場(chǎng)理論的數(shù)學(xué)基礎(chǔ)-矢量偏微分算子.北京:科學(xué)出版社,1999,第5章.[3]Xu Cheng, Zhang Xiaojuan, Song Wenmiao. Calculating the cutoff frequencies of heteromorphic waveguide by operator theory, 5th International Symposium on Antenna, Propagation and EM Theory, Beijing, 2000: 281-284.[4]Zhang Xiaojuan, Xu Cheng, Song Wenmiao. Calculating higher mode characteristics of heteromorphic waveguide by operator theory. Proc. of 2000 Asia-Pacific Microwave Conference, Sydney,2000: 970-974.[5]邢鋒,徐誠(chéng),宋文淼.用電磁場(chǎng)算子理論計(jì)算復(fù)合系統(tǒng)的本征值[J].電子與信息學(xué)報(bào).2003,25(7):975-981瀏覽[6]廖承恩.微波技術(shù)基礎(chǔ)(上).西安:西北電訊工程學(xué)院出版,1979,第4章. -
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