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中文摘要：
根据特定谐波组消除脉宽调制的基本原理,将特定谐波组消除脉宽调制用于低次连续谐波段的线性消除。基于正弦脉宽调制在该应用中的相似性,建立了能消除特定谐波组的正弦脉宽调制的调制方法。进一步分析了特定谐波组消除脉宽调制与正弦脉宽调制的调制形式,以12n±1（n=1,2,3）次谐波的线性消除为例,研究了pn±1类低次不连续谐波段的线性消除方法,获得了线性消除12n±1（n=1,2,3）次谐波的脉宽调制形式。对所得结果进行数值仿真,证明了结果的正确性和有效性。
英文摘要：
Based on the essence of the Selected Harmonic Group Elimination PWM （SHGEPWM）, SHGEPWM is applied to the elimination of the lower continuous harmonic-series.For the comparability of the application of SPWM,the SPWM that can eliminate the selected harmonic group is derived.By further analysis on the modulation form of SHGEPWM and SPWM, elimination of harmonics of orders 12n ± 1 In= 1,2,3） is taken as representation of linear harmonic elimination method of discontinuous harmanic-series in the form of pn±1.The ways to eliminate harmonics of orders 12n±1 （n=1,2,3 ）by PWM is then achieved. The method is proved to be valid and effective by simulation results.
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