The simulation result shows that the dynamic response and the detection precision in detection circuit can be greatly influenced by the cut-offfrequency, 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。
2
Using this model, the parameters of HEMT such as channel conductance, transconductance, gate capacitance, and cut-offfrequency are derived.
由本文模型还推导出了HEMT沟道电导、跨导、栅电容和截止频率等微波参数表达式。
3
The characteristics of the test signals were analyzed and weak defect echo signals were successfully extracted by cut-offfrequency technique.