The digital comparator designed with FPGA generates several PWM current waveform synchronously, to realize the step angles even division control for four-phase stepping motor.
并通过FPGA设计的数字比较器，同步产生多路PWM电流波形，实现对四相步进电动机转角进行均匀细分控制。
As most physical signals in the nature are analog signals, the conversion from analog signals to digital signals has become the key step in the process of signal processing and analysis control.
但是自然界中大多数物理信号却是模拟信号，因此，将模拟信号转化成数字信号是进行信号处理和分析的首要前提。
Aimed of providing home appliance control system in Digital Community, this paper complete the design of home Network Communication Protocol step by step.
本文以在数字社区中提供家电控制服务为目标，逐步实现家庭网络的通信协议设计。
The drilling technique of diagonal water-hole is the key step in digital control machining of a lip mould.
唇模数控加工工艺的重点和难点是斜水孔的钻削工艺。
The drilling technique of diagonal water-hole is the key step in digital control machining of a lip mould.
唇模数控加工工艺的重点和难点是斜水孔的钻削工艺。
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