NSSC OpenIR  > 微波遥感部
Alternative TitleAntenna Ar r ay Design for the Ground- based Exper imental System forInter ferometr ic Microwave Radiometer Imager
孙伟英; 张成; 吴季; 北京8701信箱
Source Publication科技导报(北京)
Keyword微波 成像仪 地面实验系统 天线阵列
Other AbstractThe ground- based experimental system for the interferometric passive microwave imager is designed to test its twodimensional part correlation, imaging mechanism and algorithm. High spatial resolution is obtained by synthesis aperture technique. One measurement is required for one spatial frequency because the object locates in the far field of antennas of the experimental system. Moreover, the antenna array is revolving during the measurement. Therefore,a sparse aperture design is desirable for the antenna array in order to reduce cost and complexity of the whole system. This paper presents a sparse aperture design for the antenna array in the ground-based experimental system. The design objective is to use as few as possible antenna elements to obtain a similar covering of the spatial frequency domain. The numerical simulation results indicate that the engineering design requirements can be satisfied. Zero redundancy is realized for an array with 6 elements. The redundancy of an array with 7 elements is 9.1%. Moreover, sampling points of the designed antenna array cover completely the spatial frequency domain.Therefore, reliable visibility functions can be provided for brightness temperature image reversion.
Indexed ByCSCD
Funding Project中国科学院空间科学与应用研究中心
Citation statistics
Document Type期刊论文
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
孙伟英,张成,吴季,等. 干涉式微波成像仪地面实验系统天线阵列设计[J]. 科技导报(北京),2007,25(11):19-22.
APA 孙伟英,张成,吴季,&北京8701信箱.(2007).干涉式微波成像仪地面实验系统天线阵列设计.科技导报(北京),25(11),19-22.
MLA 孙伟英,et al."干涉式微波成像仪地面实验系统天线阵列设计".科技导报(北京) 25.11(2007):19-22.
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