屏蔽微帶線特性的譜域?qū)Э狗ǚ治?/h2>
Analysis of Shielded Microstrip by Spectral Domain Immittance Approach
-
摘要: 本文用譜域?qū)Э狗ǚ治隽宋Ь€的特性，研究了屏蔽盒對(duì)微帶線傳播特性和色散特性的影響。譜域?qū)Э垢拍畹囊氪蟠蠛喕V域方法中冗長的場公式推導(dǎo)過程，其分析結(jié)果又能保證相當(dāng)高的精度。本文的研究結(jié)果表明：屏蔽盒的頂蓋使微帶線等效介電常數(shù)變小，對(duì)色散特性影響不大；屏蔽盒的側(cè)壁使微帶線等效介電常數(shù)變大，并減小了微帶線的色散。
-
關(guān)鍵詞:
- 屏蔽微帶線; 譜域?qū)Э狗?/a>
Abstract: Influence of the shielding box 011 the propagation and dispersion characteristics of microstrip has been analyzed by the spectral domain immittance approach. This greatly simplified the formulation process in traditional spectral domain method and the results remain a high level of accuracy. Numerical results show that top metal cover decreases the effective dielectric constant of microstrip, however, it does not have noticeable effects 011 the dispersion characteristics of microstrip. The results also show that metal sidewalls increase the effective dielectric constant of microstrip and lower the dispersion of microstrip. -
Maia M R G. Dynamic analysis of microstrip lines and finlines on uniaxial anisotropic substrates.IEEE Trans. on MTT, 1987, MTT-35(10): 881-886.[2]WU S C. Design of multilayer planar transmission lines by generalized spectral-domain immittance approach[J].Electomagnatics.1995, 15(4):347-362[3]Adaildo Gomes dAssuncao, Maria Rosa M. Lins de Albuquerque, Everton N. R. Q. Fernandes.Accurate analysis of microstrip lines on lossy biaxial anisotropic substrates. International J. of Infrared and Millimeter Wave, 2000, 21(12): 2087-2097.[4]Bahl I J. Use exact methods for microstrip design. Microwaves, Dec. 1978, 21(12): 61-62.[5]Itoh T. Spectral domain immittance approach for dispersion characteristics of generalized printed transmission lines. IEEE Trans. on MTT, 1980, MTT-28(7): 733-736.[6]Pozar D M. Radiation and scattering from a microstrip patch on a uniaxial substrate. IEEE Trans. on MTT, 1995, MTT-43(2): 445-451.[7]薛良金.毫米波工程基礎(chǔ).北京:國防工業(yè)出版社,1998:104-153.[8]清華大學(xué).微帶電路.北京:人民郵電出版社,1976:6-30. -
計(jì)量
- 文章訪問數(shù): 2317
- HTML全文瀏覽量: 103
- PDF下載量: 788
- 被引次數(shù): 0
下載:
