English Bandwidth (signal processing) Cited by user Paolostar on 28 Jan 2024 Bandwidth is the difference between the upper and lower frequencies in a continuous band of frequencies.
Chinese 卷积 Cited by user Mhss on 26 Oct 2023 comparison convolution correlation.svg和自相关的图示比较. 运算涉及函数的乘積函數所圍成的曲邊梯形的面積. 如果将参加卷积的一个函数看作区间的指示函数,卷积还可以被看作是“滑動平均”的推廣.