At present, digitization and network technology are developing rapidly. As the source end of testing system, the majority of sensor output is still analog signal. Based on this situation, taking the acceleration sensor as example, this thesis makes an in-depth study on the key technologies of sensor digitization. And then the digital sensor network technology
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Wireless sensor networks (WSNs), incorporating many technologies such as sensor, micro-electro-mechanical systems (MEMS), wireless communication and network, could cooperatively collect the environmental information, and realize the integration of the physical world and communication network. Thus WSNs are becoming one of the research hot spots that receive much attention from governments, enterprises and institutes. How to
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