According to the system bandwidth, the low pass filter was added in controller to assure the tracking effect of system and filter the super-high frequency in control singles.
根据系统的带宽，在控制器中加入低通滤波器，以保证系统跟踪效果，过滤控制信号中频率过高部分。
Aluminum ultrasound casting; ultrasound power; frequency tracking; power control.
铝合金超声铸造；超声波电源；频率控制；功率控制。
Radio Frequency Identification (RFID) is receiving considerable attention nowadays as an enabling technology that can improve supply chain operations, asset tracking and inventory control.
目前，射频识别技术(RFID)作为一种能够实现物品供应链操作，商品跟踪和存货控制的技术正广泛受到关注。
The testing data from simulated aerospace environment show that the adaptive controller has a characteristic of high accuracy of frequency-tracking as well as high accuracy of swing scan control.
实验测试结果表明，所设计的数字式自适应控制器具有频率跟踪和摆幅控制精度高的特点。
The paper studies digital control scheme of resonance inverter frequency-tracking based on all digital phase-locked loop.
本文主要研究了基于全数字锁相环的谐振型逆变器频率跟踪的数字化控制方案。
A new adaptive frequency-tracking control algorithm for the swing scan mechanism has been presented in the aerospace environment.
本文针对空间环境下摆幅扫描机构的频率跟踪和摆幅控制问题，提出了一种具有频率跟踪的自适应控制算法。
A new adaptive frequency-tracking control algorithm for the swing scan mechanism has been presented in the aerospace environment.
本文针对空间环境下摆幅扫描机构的频率跟踪和摆幅控制问题，提出了一种具有频率跟踪的自适应控制算法。
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