3T. A. Hepner. User's Guide for the Naval Communications Assessment Tool (NCAT) software Version 3.0 [ R ]. USA:Space and Naval Warfare Systems Center, 2000.
4TIAN Xiao-ping, LU Ji-hua. Shortwave Propagation over Oceans and HF Propagation Prediction Model [J]. Computational Intelligence and Software Engineering, 2009, 32(01) : 11-13.