CAT V收费控制系统中我们项目组完成了系统软件设计、前端数据调制器、终端收费控制器的开发工作。
The CATV charge and control system is mainly composed of the management software, the header data modulator and the terminal charge and control equipment.
而且,该方法易于用一般的机电暂态仿真软件实现,并可用于FACTS小信号调制器参数整定。
Also it can be employed to tune parameters of small signal modulators of FACTS. Furthermore, this method can be easily implemented by electromechanical transient analysis programs.
文中着重阐述系统和功放电路的工作原理、数字脉宽调制器的硬件电路、软件设计方法,并给出实验结果。
In this paper, the operation principles of the total system and power-amplifier circuit, design method of digital PWM hardware circuit and software are described, and.
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