舰船电子工程
艦船電子工程
함선전자공정
SHIP ELECTRONIC ENGINEERING
2012年
12期
63-64,67
,共3页
罗光胜%张志刚%孙剑平
囉光勝%張誌剛%孫劍平
라광성%장지강%손검평
短波天线%仰角%菲涅尔区%倾斜地面
短波天線%仰角%菲涅爾區%傾斜地麵
단파천선%앙각%비열이구%경사지면
short wave antennas%elevation angle%Fresnel zone%sloping ground
文章将研究在通信方向上倾斜的下坡地形对短波天线通信的影响。讨论了天线架高随通信仰角和地形坡度的关系;分析了在不同的倾斜角度下的地形对最小菲涅尔区的尺寸的影响。
文章將研究在通信方嚮上傾斜的下坡地形對短波天線通信的影響。討論瞭天線架高隨通信仰角和地形坡度的關繫;分析瞭在不同的傾斜角度下的地形對最小菲涅爾區的呎吋的影響。
문장장연구재통신방향상경사적하파지형대단파천선통신적영향。토론료천선가고수통신앙각화지형파도적관계;분석료재불동적경사각도하적지형대최소비열이구적척촌적영향。
This paper is focused on the influence of communications of short wave antennas set up on the sloping ground.Discussion of the relationship between antenna height and elevation angle as well as gradient of terrain is given.Also analysis on influence of the size of the smallest Fresnel zone by different gradient of terrain is pointed out.