| 摘要 |
An improved roadway temperature monitoring system is designed to be powered by solar energy for measuring and transmitting sensed roadway surface temperatures over a wireless link to remote workstations comprises a module housing fabricated from a light-transmissive, thermally conductive tough plastic for containing a solar cell array, a microprocessor, a spread spectrum RF transmitter, a plurality of temperature sensing elements and a battery supply therefor whose charge is maintained by the solar cell array.
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