资讯

IEEE16 小时
Large-Area Complex Terrain Radio Wave Propagation Loss Prediction Using ... - IEEE Xplore
Based on the parabolic approximation of Helmholtz equation, a three-dimensional (3-D) vector parabolic equation (PE) technique for predicting propagation loss in large region irregular terrain is ...
IEEE18 小时
On the integral equation of the vector Preisach hysteresis model
The isotropic vector Preisach model of hysteresis is briefly described and the problem of fitting experimental data by this model is posed in terms of a specific integral equation. A closed form ...