Abstract
Taking crop Acoustic emission (AE) signals as the main monitoring index for plant diseases or dehydration, the crop AE wireless sensor network monitoring system was established based on DSP and ZigBee network. Crop AE signals were conducted on A/D transformation and data processing and then sent to the monitoring center based on wireless communication module SZ05. AE signals received at the monitoring center were demonstrated in waveform display. Based on the variation of AE signal’s frequency the system can diagnose disease and prevent dehydration for crops.
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