虚拟力的无线传感网络覆盖，最终的权值矩阵就是滤波器的系数，包括随机梯度算法，相对梯度算法，已调制信号计算其普相关密度，基于chebyshev的水声信号分析，合成孔径雷达（SAR)目标成像仿真。- Virtual power wireless sensor network coverage, The final weight matrix is ??the filter coefficient, Including stochastic gradient algorithm, the relative gradient algorithm, Modulated signals to calculate its density Pu-related, Based chebyshev underwater acoustic signal analysis, Synthetic Aperture Radar (SAR) imaging simulation target.