现代电子技术
現代電子技術
현대전자기술
MODERN ELECTRONICS TECHNIQUE
2014年
7期
50-52,58
,共4页
直升机卫星通信%旋翼遮挡%缝隙通信%时间分集
直升機衛星通信%鏇翼遮擋%縫隙通信%時間分集
직승궤위성통신%선익차당%봉극통신%시간분집
helicopter SATCOM%rotor occlusion%gap communication%time diversity
阐述了直升机卫星通信中旋翼遮挡对信号造成的影响，分析了不同航向和天线仰角条件下无遮挡时间比例，针对直升机宽带和窄带卫星通信前返向链路的不同特点，分别介绍了几种克服旋翼遮挡问题的方法。
闡述瞭直升機衛星通信中鏇翼遮擋對信號造成的影響，分析瞭不同航嚮和天線仰角條件下無遮擋時間比例，針對直升機寬帶和窄帶衛星通信前返嚮鏈路的不同特點，分彆介紹瞭幾種剋服鏇翼遮擋問題的方法。
천술료직승궤위성통신중선익차당대신호조성적영향，분석료불동항향화천선앙각조건하무차당시간비례，침대직승궤관대화착대위성통신전반향련로적불동특점，분별개소료궤충극복선익차당문제적방법。
The effect of rotor occlusion in helicopter SATCOM on signal is elaborated. The proportion of time without occlu-sion with different course and antenna elevation angle is analyzed. Several solution of overcoming the problems of occlusion is presented aiming at different characteristic of forward and backward link of helicopter SATCOM with wideband and narrow band.
