岩土掩埋中可穿戴无线呼救通信的可行性研究

发布时间：2018-04-09 22:28

  本文选题：电磁波衰减　切入点：平均功率流密度　出处：《无线通信技术》2015年04期

【摘要】：滑坡等灾害发生后,如果可穿戴的无线呼救设备,在地面无线信号的激励下,可将被掩埋人员的身份等信息发送出来,进行定位与人数统计,有利于提高救援效率减少损失。根据天线辐射理论公式估算,开放的433MHz频率能够用于可穿戴无线呼救通信。据此选用Si4463和STM32F103系列芯片设计了无线搜呼救设备的模型,并设计了无线收发程序和防碰撞程序软件。相似性模拟实验表明,微型、低功率433MHz频段发收设备,岩土到地面的单程有效通信距离约为8.5m。
[Abstract]:After the landslide and other disasters, if wearable wireless call for rescue equipment, under the ground wireless signal incentive, can be buried person's identity and other information sent out, location and statistics, which is conducive to improve the rescue efficiency and reduce losses.According to the theoretical formula of antenna radiation, the open 433MHz frequency can be used for wearable wireless distress communication.According to this, Si4463 and STM32F103 series chips are selected to design the model of wireless search and rescue equipment, and the wireless transceiver program and anti-collision program software are designed.The similarity simulation experiments show that the effective communication distance between geotechnical and ground is about 8.5 mm. for micro-low power 433MHz frequency generation and collection equipment.
【作者单位】： 江苏大学计算机科学与通信工程学院;
【分类号】：TN92
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本文编号：1728463