一般来说，传感器节点由感应单元、处理器单元、数据传输单元和电源四部分组成。

Generally, sensor nodes are made of sensors units, processors units, data transmission units and power supply.

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任何个人按钮，感应器或报警装置通过无线电通信信号基本单元，因此不要需要用电线连接。

Any personal buttons, sensors or alerting devices communicate with the base unit via radio signals and thus dont need to be connected with wires.

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尝试了各种化学电池以及感应充电计划，甚至是将放射衰变的热能转换为电能的钚电源单元格。

A variety of chemical batteries have been tried, as well as inductive recharging schemes and even plutonium power cells that convert the heat from radioactive decay into electricity.

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