根据环路滤波器传递函数以及单环锁相系统的传递函数，计算出环路滤波器的各个参数，并介绍了环路带宽的选择。
According to transfer functions of the loop filter and the single phase locked loop system, it figures out the loop filters parameters, and introduces the selection of loop bandwidth.
将双频逆变器用于感应电动机调速系统中，采用单周控制、滞环控制、矢量控制等控制方法。
In this paper, double-frequency inverter was used in induction motor drive, and the next control means were adopted: one-cycle control, hysteresis control and vector control.
从系统抗干扰性、鲁棒性等方面与单环控制进行了理论分析和比较。
The system performances of disturbance rejection and robustness are analyzed and compared with single rate-loop control.
提出了一种采用近距离激光无线通信系统来代替导电环进行光测设备机上、机下部分的信号传输，并以单路通信实验对该方案进行了验证。
A kind of system that replaces conductive ring with the wireless communication by laser in short distance is carried out to transmit signals. The scheme is verified by single channel experiment.
提出了一种采用近距离激光无线通信系统来代替导电环进行光测设备机上、机下部分的信号传输，并以单路通信实验对该方案进行了验证。
A kind of system that replaces conductive ring with the wireless communication by laser in short distance is carried out to transmit signals. The scheme is verified by single channel experiment.
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