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Powerline communication was a competitive solution to “Last Kilometer” technology because of its advantages such as layout independent and wide coverage. The paper studied deeply the application of OFDM to powerline communication and designed the MODEM in powerline communication utilizing the PLC chips—INT5500CS—of Interllon. And(More)
The further development of economic safety early warning system was severely yoked by many negative factors such as the difficulty of model integration, heterogeneous database platform in data collection and transferring, incomplete data collection and the incompetence of visual display of early warning effect. Aiming at the above defects, the paper(More)
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