問題詳情
46.下列有關雷達波束 ( Radar beam )之敘述,哪一項是正確的?
(A)於無障礙空間,雷達波僅朝特定方向發射
(B)水平波套之主波套越窄,越能準確偵測之目標距離
(C)垂直波套之寬度越寬,越能準確偵測目標方位
(D)為避免產生盲區,應設法增大水平波套之寬度
(A)於無障礙空間,雷達波僅朝特定方向發射
(B)水平波套之主波套越窄,越能準確偵測之目標距離
(C)垂直波套之寬度越寬,越能準確偵測目標方位
(D)為避免產生盲區,應設法增大水平波套之寬度
參考答案
答案:A
難度:計算中-1
書單:沒有書單,新增
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