(122) (hr)i, the height of the ray above a straight line joining sea level at and at the profile point is u v i-th given by: (hr)i = (hu · · / (123) div+hv dui) duv (ht)i, the height of the terrain above a straight line joining sea level at and at the profile point u v i-th is given by: (ht)i =hi+dui · / 2ae (124) div The minimum value of normalized clearance is used to compute the knife-edge diffraction geometrical parameter for the most significant sub-path obstruction: (125) The sub-path diffraction loss is now obtained from equation (31) or Fig. 9. L" For some applications it may be undesirable to include sub-path diffraction enhancements. In this case a value of should be set to zero when it would otherwise be negative. L"
(122) (hr)i, the height of the ray above a straight line joining sea level at u and v at the i-th profile point is given by: (hr)i = (hu · div+hv · dui) / duv (123) (ht)i, the height of the terrain above a straight line joining sea level at u and v at the i-th profile point is given by: (ht)i =hi+dui · div / 2ae (124) The minimum value of normalized clearance is used to compute the knife-edge diffraction geometrical parameter for the most significant sub-path obstruction: (125) The sub-path diffraction loss L" is now obtained from equation (31) or Fig. 9. For some applications it may be undesirable to include sub-path diffraction enhancements. In this case a value of L" should be set to zero when it would otherwise be negative.
R-REC-P.526-14-201801-I!!MSW-E.docx