锯齿波从某一始点到某一终点沿着一条直线上升(或者下降)，在终点的时候它马上跃迁回其起始值。
A sawtooth wave rises (or falls) in a straight line from a starting point to an ending point, at which time it instantaneously jumps back to the starting value.
对VCO内核而言，制作一个锯齿波最简单的方法就是“汇合”控制电压。
The simplest way for a VCO core to make a sawtooth wave is to "integrate" the control voltage.
锯齿波的名字来源于示波器上其波形的形状，它看上去就像是手锯的齿一样。
The name stems from the waveform's appearance on a scope; it looks like the teeth of a hand saw.
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