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A Design of High Speed and Broadband Hyperspectral Microwave Receiver Subsystem for Sounding Atmosphere
Alternative TitleWOS:000550769302038
Luo, Yangjin1; Zhang, Shengwei; Lu, Hao
Source Publication2019 PHOTONICS & ELECTROMAGNETICS RESEARCH SYMPOSIUM - SPRING (PIERS-SPRING)
2019
Pages2215-2219
Language英语
ISSN1559-9450
ISBN978-1-7281-3403-1
AbstractThe merits of microwave such as penetrating cloud and sensing within and below the cloudy and rainy layers under all-weather and all-day conditions make it very suitable for atmospheric sounding. Increasing measuring channels of microwave radiometer will be good to get abundant information about atmosphere content by improving vertical resolution of atmospheric sounding. In this paper we present a new design of a high speed and broadband hyperspectral microwave receiver subsystem which will bring more flexibility and higher vertical resolution of atmospheric profile compared to conventional microwave radiometers. This subsystem has five same high speed digital signal processing parts, including analog-to-digital converter (ADC) chips with high sampling speed of 10 Gsps and five pieces KINTEX-7 Field Programmable Gate Arrays (FPGA) chips, and one key part for packaging, transforming spectrum data and controlling the whole subsystem, including a SPARTAN-6 FPGA chip and a high speed clocking part. The subsystem can measure 20 GHz continuous frequency bandwidth with more than 4000 channels. What's more, the number of sounding channels can be changed easily, which will lead to the sounding frequency resolution being changed easily. In order to gain high simultaneity among five high speed digital signal processing parts, some measurements must be took. So we give some critical design details about the highly simultaneous design. In addition, some test results and simulation results are provided too, which can present the subsystem has high flexibility, miniaturization, high vertical resolution in getting atmospheric information. Finally, some analysis of advantages and disadvantages about this subsystem design will be pointed out.
Conference NamePhotonIcs and Electromagnetics Research Symposium - Spring (PIERS-Spring)
Conference DateJUN 17-20, 2019
Conference PlaceRome, ITALY
Indexed ByCPCI
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/7773
Collection中国科学院国家空间科学中心
Affiliation1.Chinese Acad Sci, Key Lab Microwave Remote Sensing, Natl Space Sci Ctr, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Luo, Yangjin,Zhang, Shengwei,Lu, Hao. A Design of High Speed and Broadband Hyperspectral Microwave Receiver Subsystem for Sounding Atmosphere[C],2019:2215-2219.
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