该方法利用线性调频扩频技术进行通信并实现测距；

It uses Chirp Spread Spectrum technique to communicate and range.

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线性调频调制的优点是：不须在接收端添加均衡滤波器，也不须进行扩频编码。

Merits of the Linear FM are that it is not necessary to have an equalizer or the spread spectrum code modulation.

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本设计选择采用的扩频技术为线性调频技术，它解决了信号在10KV电力线这样恶劣的通信环境中的传输问题；

The design select the chirp as the spread spectrum technology, which resolve the problem of the signal transmission in such adverse communication circumstances as 10KV power line;

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