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RLC串联电路谐振频率测量方法的比较研究

更新时间:2020-10-24 05:38:24 大小:551K 上传用户:zhengdai查看TA发布的资源 标签:rlc串联电路 下载积分:2分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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RLC串联电路的谐振频率一般采用最大电流或最大电压法进行测量,但是,该测量方法精度较低,尤其在电路品质因数较低的情况下,这种方法很难准确测出谐振频率值。本文根据谐振电路的特点,经过多年的教学实践,总结了多种实用的谐振频率测量方法,并对谐振频率的测量方法进行了比较研究。得出了不同的测量方法测量精度不同;电路参数不同,选用合理的测量方法,可大大提高测量精度的结论。

Resonant frequency of RLC series circuit is usually measured by means of max current or max voltage. But the precision is usually low by this means. Especially for low quality factor circuits, resonant frequency can't be measured precisely. In this paper, after years of practice testing, some useful methods of measuring resonant frequency ware put forward, and these methods were compared and analyzed according to RLC series circuit's characters. The following conclusions were drawn. Different methods will lead different precision. Rational measurement method should be chosen for circuits of different component parameter. With this way, resonant frequency can be measured much more precisely.

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RLC串联电路谐振频率测量方法的比较研究.pdf 551K

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