前置滤波器 meaning in Chinese

prefilter

As a result , a high robust controller was easily accomplished , consisting inner - loop , the current loop , outer - loop , the position loop , pre - filter controller , feedforward controller , repetitive controller , and disturbance observer
该控制器由内环的电流控制器和外环的位置控制器、前置滤波器、前馈控制器、重复控制器和扰动观测器组成。
And designed a program used by this method to design a filter . the result complies with the analytic result . at the end of this paper , according to the project of airline broadcast , the author designd filter with high rectangular factor , five channelizing filter banks , saw programmable correlator implemented with multiplayer muti - chip technology , saw resonator
本文的最后，结合某航空直扩数传电台的工程要求，设计了高矩形系数的前置滤波器、声表面波滤波器组、采用多芯片组装厚膜工艺技术的声表面波可编程相关器和声表面波压控振荡器，完成了解调解扩单元的硬件设计。