Application of 3 kinds of practical electromagnetic spiders in electromagnetic spider web
Ningbo Polytechnic ; Zhejiang Ningbo 315800
Electromagnetic spider web the launch circuit has introduced a lot, but in the center position of the utility of the spider generally have 3 kinds of circuits respectively, the use of single-chip microcomputer circuit of the low energy consumption spider by multi-channel transmission, single circuit receiver circuit. Direct use of the 3 channels of the spider and the use of PLC circuit spider, depending on the actual situation were placed.
Key words: earthquake prediction / PLC circuit / Super heterodyne receiver module / Electromagnetic spider web / GPRS switch
© Owned by the authors, published by EDP Sciences, 2016
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