| 微扰法在微波谐振腔中的应用研究 |
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| 引用本文： | 王国金.微扰法在微波谐振腔中的应用研究[J].宁夏大学学报(自然科学版),2002,23(1):50-52. |
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| 作者姓名： | 王国金 |
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| 作者单位： | 宁夏大学物理与电气信息工程系,宁夏,银川,750021 |
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| 摘 要： | 将微扰法用于电磁波领域 ,把影响常态的参数、边界条件等变化量作为微扰 ,把未变化前的场态作为近似基态 ,通过理论推导得到了由于介质变化而引起的谐振频率变化的精确解析式 ,并用具体算例验证了该方法的正确性及简便性
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| 关 键 词： | 微扰法 电磁场 谐振腔 频率 |
| 文章编号： | 0253-2328(2002)01-0050-03 |
| 修稿时间： | 2001年8月26日 |
Application of the micro-disturbance method in microwave resonant-cavity analysis |
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| WANG Guo-jin.Application of the micro-disturbance method in microwave resonant-cavity analysis[J].Journal of Ningxia University(Natural Science Edition),2002,23(1):50-52. |
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| Authors: | WANG Guo-jin |
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| Abstract: | Based on the micro-disturbance method,the parameters and the boundary conditions related to the constant state of the electric-magnetic field are introduced as the micro-disturbance and the field state before variation as the approximation of the base state,the accurate analytic expression on the variation of resonant frequency with the variation of medium parameters has been derived.Its accuracy and effectiveness have been demonstrated by some examples. |
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| Keywords: | micro-disturbance electric-magnetic circuit resonant-cavity frequency |
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