节点文献
位置误差和相位误差对模块化阵列天线的影响
Effects of Position and Phase Errors on the Sidelobe Level of an Array Antenna with Subarrays
【Author】 FANG Gang;WANG Xiao-mo;GAO Ben-qing;Dept.of Electronic Engineering Beijing Institute of Technology;East China Research Institate of Electronic Engineering;China Academy of Electronics and Information Technology;
【机构】 北京理工大学电子工程系; 华东电子工程研究所; 中国电子科学研究院;
【摘要】 对于采用自定位设计的模块化阵列天线,推导了沿小x、y、z三个方向的单元位置误差和子阵位置误差的取值范围与天线副瓣累积概率的关系,以及相位误差的取值范围与天线副瓣累积概率的关系,表明了扫描角的变化对副瓣累积概率的影响。通过实例说明,在同样的位置误差下,具有不同排列方式的阵面的天线副瓣概率值是不同的。
【Abstract】 The sidelobe of an array antenna with self-locating structure is analysed in this paper. The expressions are derived which relate the cumulative probability of sidelobe to the range of three-dimensional element position errors, subarray position errors and a phase error in each element. The effect of scanning angel on the sidelobe of an arrays antenna is indicated. In the condition of the same position errors, the computation and simulation results show that the cumulative probability of sidelobe level of an array antenna with subarrays is different when the array has different forms.
【Key words】 Self-locating structure; Position errors; Phase errors; Subarray;
- 【会议录名称】 第十三届全国微波能应用学术会议论文集
- 【会议名称】第十三届全国微波能应用学术会议
- 【会议时间】2007-11-14
- 【会议地点】中国湖南长沙
- 【分类号】TN820
- 【主办单位】中国电子学会微波分会