| 一种滤除内燃机曲轴瞬时转速信号畸点的方法 |
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| 引用本文： | 闫兵,张吉喜,董大伟.一种滤除内燃机曲轴瞬时转速信号畸点的方法[J].内燃机工程,2001,22(1):7-10. |
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| 作者姓名： | 闫兵 张吉喜 董大伟 |
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| 作者单位： | 西南交通大学, |
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| 摘 要： | 在周期性的内燃机曲轴瞬时转速实测信号中常会出现许多畸点。为滤除畸点，一般采用低通滤波的方法，但低通滤波法有其局限和不足之处，为此，提出了一种快速衰减畸点值而不会带来其他误差的方法。
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| 关 键 词： | 低通滤波 畸点衰减法 内燃机 曲轴 |
| 文章编号： | 1000-0925(2001)01-007-04 |
A Method for Filtering out Distorted Points from the Crankshaft Instantaneous Rotation Speed Signal of Engines |
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| Yan Bin,Zhang Jiexi,Dong Dawei.A Method for Filtering out Distorted Points from the Crankshaft Instantaneous Rotation Speed Signal of Engines[J].Chinese Internal Combustion Engine Engineering,2001,22(1):7-10. |
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| Authors: | Yan Bin Zhang Jiexi Dong Dawei |
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| Abstract: | A 1ot of distorted points often appear in periodic crankshaft instantaneous rotation speed signals.The common method to filter the distorted points is the low pass filtering method,but it has some disadvantages and localization. Therefore, the method, which can attenuate distorted points fast without any new errors, is presented. |
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| Keywords: | Distorted Point Attenuate Low Pass Filtering Method of Attenuating Distortedpoint Internal Combustion Engine |
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