这就是说，数字滤波器的频率响应是模拟滤波器频率响应的周期延拓的翻译：This means that digital filter is the frequency response of analog filter frequency response cycle extension 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

This means that the digital filter frequency response is the frequency response of analog filter cycle extension

This means that digital filter is the frequency response of analog filter frequency response cycle extension

This i.e. that, the digital filter frequency response is the analog filter frequency response cyclical analytic continuation

In other words, the digital filter frequency response is the frequency response of analog filters topography cycle

This means that digital filter is the frequency response of analog filter frequency response cycle extension