Another example is designing a system that gets the date from the internal clock instead of asking for input from users.

另一个例子是设计从内部时钟获取数据的系统，用来取代请求用户输入。

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Bit synchronous clock recover circuit is the key part of the communication system, it can exactly recover the synchronous signal from input data stream.

位同步时钟信号的提取是通信系统中的关键部分，应用数字锁相环可以准确地从输入码流中提取出位同步信号。

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Based on the system clock and trigger input signals, using FPGA to generate trigger output signals in given working modes.

通过FPGA实现在一定系统时钟和触发信号作用下各种工作模式的触发信号的产生。

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