伴随这些脉冲的是很多离散光，被称为“频率梳”。

Within these pulses are a number of discrete colours of light in what is known as a "frequency comb".

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离散光电成像系统因其不再具有平移不变特性，它的调制传递函数测试具有相当的复杂性和不稳定性。

The measurement of modulation transfer function (MTF) of the sampled imaging optoelectronic system is rather complex and irrepeatable for their shift-variant characteristics.

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