偉巴斯特效應(yīng)
吉布斯現(xiàn)象Gibbs phenomenon(又叫吉布斯效應(yīng)),將具有不連續(xù)點(diǎn)的周期函數(shù)(如矩形脈沖)進(jìn)行傅立葉級數(shù)展開后,選取有限項(xiàng)進(jìn)行合成。當(dāng)選取的項(xiàng)數(shù)越多,...
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