| 论二阶电路的谐振频率 |
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| 引用本文： | 江勋兰,李于凡.论二阶电路的谐振频率[J].华南理工大学学报(自然科学版),1998,26(5):116-121. |
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| 作者姓名： | 江勋兰 李于凡 |
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| 作者单位： | 华南理工大学电子与通信工程系 |
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| 摘 要： | 本文在二阶电路传输函数的基础上讨论了它的固有频率与输出响应峰值频率的关系和固有频率与输入电流电压同相频率关系，发现二阶电路的谐振频率不是零输入电抗的频率，而是它的固有频率．但在调谐实践中以输出响应的峰值频率作为谐振指示是合适的．
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| 关 键 词： | 二阶电路 谐振频率 调谐 |
ON THE RESONANT FREQUENCY OF SECOND-ORDER CIRCUIT |
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| Jiang Xunan,Li Yufan.ON THE RESONANT FREQUENCY OF SECOND-ORDER CIRCUIT[J].Journal of South China University of Technology(Natural Science Edition),1998,26(5):116-121. |
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| Authors: | Jiang Xunan Li Yufan |
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| Abstract: | The relationships between the natural frequency and the peak frequency of output response, and the relationship between the natural frequency and the frequency at which the input current and voltage are in the same phase are discussed based on the second_order circuit transfer functions. It can be found that the resonant frequency of second_order circuit is not the one with zero input reactance but the one, its natural ferquency. However, in tuning practice it is suitable to use the peak frequency of output response as the indicator of resonance. |
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| Keywords: | second-order circuit resonant frequency tuning |
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