The simulation result shows that the dynamic response and the detection precision in detection circuit can be greatly influenced by the cut-off frequency, order and type of low pass filter.

结果表明，低通滤波器的截止频率、阶数和类型对检测电路的动态响应过程、检测精度都有很大影响。

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The physical mechanism about reflection of low-emission glass in near-infrared region is explained by using plasma cut-off frequency theory.

利用等离子体截止波长理论，解释了低辐射玻璃红外反射的物理机制。

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Also, the harmonic filter is a low pass filter having a frequency cut-off point that attenuates first order harmonics of the output signal.

此外，谐波滤波器是具有频率截止点的低通滤波器，该低通滤波器削弱输出信号的一次谐波。

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