It solves the problem of modulate and demodulation of differential signal and achieve data and power signal communication in coaxial-cable.

该模块解决了对差分信号“调制”、“解调”问题，实现了数据和电源在同轴电缆上的同步传输。

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First, the function and hardware components of testing device are introduced. The implementation of signal communication and the design of testing circuit are emphasized.

论文首先详细阐述检测装置功能与硬件组成，然后着重进行信号通讯与检测电路的设计与改进。

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This paper introduces a way of simple place signal communication. The way is proved to be effective by practice. It has the high practical value at present condition of the PLC USES.

本文介绍了一种简易位信号通讯方式，通过实际应用效果理想，它在目前PLC应用现状下有较高的实用价值。

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This is a signal - this passing of phosphorous - is a signal that's used very frequently in intracellular communication.

这是一种信号,一种通过磷酸来传递的信号,这种信号在细胞内通讯时经常被用到

耶鲁公开课 - 生物医学工程探索课程节选

According to investigators, the signal that failed in the Wenzhou crash was developed over six months, beginning in June, 2007, by the state-owned China Railway Signal and Communication Corporation.

NEWYORKER: Boss Rail

When lightning struck the box, it blew a fuse, which caused two catastrophic problems: it cut off communication and froze the signal on the color green.

NEWYORKER: Boss Rail

Their first test in October 2007 was a success: An all-electric car plugged in at the University of Delaware and rigged with communication software responded to a signal from PJM for a sudden burst of power to help balance supply and demand on the grid.

FORBES: Magazine Article