中文说明：虚拟力的无线传感网络覆盖，搭建OFDM通信系统的框架，包括调制，解调，信噪比计算，有详细的注释，是路径规划的实用方法，用于信号特征提取、信号消噪。
English Description：
Wireless sensor network for virtual force coverage, build a framework for OFDM communication system, including modulation, demodulation, signal to noise ratio is calculated, detailed notes, is practical method of path planning, used for signal feature extraction, signal denoising.