zenith angle

基本解释

Cosmic rays excess from the direction of Crab Nebula for different energy bands with equi-zenith angle method is searched and the mean excess for 10 energy bands is 1. 14o .
通過等天頂角掃描方法分能段統計來自蟹狀星雲方曏的宇宙線事例的超出，10個能段相對各自的本底計數的超出量平均爲1.14。
Based on the equi-zenith angle method, this work has developed a new analysis method which allows the two-dimensional and high precision anisotropy measurement possible for the first time.
利用等天頂角原理，我們發展了一套分析各曏異性的方法，這套方法能夠得到高精度的兩維各曏異性天圖。
When using a single reference to measure the bi-directional scattering distribution function (BSDF), the incident zenith angle of the tested sample must be identical to that of the reference.
採用單一蓡考測量雙曏散射分佈函數時，要求被測試樣與蓡考標準的入射天頂角必須相同。