摘要
针对硬质探空落球高空惯性运动工况及落球内部有限安装空间下的无线传输需求,给出了适用于临近空间气象探测落球数传系统的天线设计方法。该方法采用中心对称曲折线振子天线技术方案,解决了在狭小空间内实现全向天线覆盖的难题。实验结果表明,该方法有效解决了落球在空中下落过程中由于姿态变化引起的信号起伏大从而影响无线信号可靠传输的问题。
The wireless transmission requirement was discussed in condition of high-altitude inertial motion of rigid falling sphere and limited installation space inside the sphere which was used for near space meteorological detection.The bent dipole antenna was used in this design which solved the problems of achieving omnidirectional antenna in small spaces.The research results were given which was of pattern null being lower and in the small size.The engineering problems of transmission signal fluctuation caused by rolling state of sphere during the falling process were solved.The experimental results showed that design method was of a preferably engineering value,and it was expected to be widely applied in the future engineering.
作者
桂苏嘉
高亢
王阳阳
GUI Sujia;GAO Kang;WANG Yangyang(The 41st Institute of Fourth Academy of China Aerospace Science and Technology Corporation,Xi'an 710025,China)
出处
《探测与控制学报》
CSCD
北大核心
2024年第3期105-108,共4页
Journal of Detection & Control
关键词
天线
数传系统
硬质探空落球
气象探测
临近空间
antenna
transmitting system
falling sphere
weather detection
near space
