说明：  matlab程序运用复杂网络理论,将军事力量部署进行网络拓扑化,通过分析计算网络关键节点的组成来研究军事力量在空间部署的合理性
(Achieve a variety of typical window function in time domain and frequency domain characteristics, known design Butterworth filter criteria such as filters, or known to the system function can be obtained digital filter.)