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The software of on-line acquisition system for infrared drying process is designed. Sample mass and temperatures of heater and sample corresponding to voltage values are obtained by function transformation based on VB6.0 procedures. The change curves of drying rate, radiation temperature and sample temperature are generated, and then shown on VB interface directly. In the design process, anti-interference...
The cause and damage of earth potential interference are analyzed and studied in this paper, especially influence by nonuniform distribution of earth potential in power plant and transformer station, such as interference by impulse voltage caused by lightning current and big power frequency current, arc interference caused by earth short circuit in transformer station. On the basis of research on...
According to the system requirements, vehicle detection system based on double induction loops has been designed. Control unit of traffic detection system designed with the core of LPC2138 has been described in detail. And the function of each hardware module has been analyzed. For bad experiment environment and various interference factors, anti-interference measures have been considered and introduced...
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