Distance h/m | True value (nGy/h) | Calculate by F(0, 0) (nGy/h) | Relative error/% | |||
7 | 413.667 | 414.986 | 0.319 | |||
6.5 | 486.667 | 476.004 | −2.191 | |||
6 | 518.333 | 550.043 | 6.118 | |||
5.5 | 561.667 | 631.488 | 12.431 | |||
5 | 756.667 | 802.333 | 6.035 | |||
4.5 | 887.333 | 960.708 | 8.268 | |||
4 | 1022.000 | 1143.817 | 11.920 | |||
3.5 | 1337.333 | 1377.138 | 2.976 | |||
3 | 1807.333 | 1743.019 | −3.559 | |||
θ = φ = 45˚ | ||||||
Distance h/m | True value (nGy/h) | Calculate by F(45, 45) (nGy/h) | Relative error/% | |||
7 | 169.371 | 160.194 | −13.891 | |||