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K波段谱分析技术的微波辐射计方案设计
Alternative TitleScheme design of the K band spectrum analysis microwave radiometer
张江漫; 张升伟; 北京8701信箱
Department国家863计划微波遥感技术实验室
Source Publication太赫兹科学与电子信息学报
2013
Volume11Issue:5Pages:747-752
ISSN2095-4980
Language中文
Keyword辐射计 谱分析技术 快速傅里叶变换 现场可编程门阵列
Abstract以探测大气中水汽吸收谱线为应用背景,系统设计了一种基于快速傅里叶变换(FFT)的宽带宽的谱分析技术的微波辐射计。阐述了谱分析技术的微波辐射计的设计原理,详细介绍了系统结构设计、接收机方案设计和谱仪的方案设计,并分析了系统的主要技术指标、正交接收机指标及谱仪的设计。该系统可实现的辐射计探测频率为22.235 GHz,设计带宽达到500 MHz,谱分辨力为60 kHz。
Other AbstractA broadband Fast Fourier Transform(FFT) algorithm radiometer is designed in order to detect the absorption spectrum of the atmospheric water. The design principle of the radiometer, the system structural design, the project design of the receiver and the spectrometer are introduced in detail. The main technical indexes of the orthogonal receiver and spectrometer are analyzed. This system can be used to detect the frequency of 22.235 GHz, and its designed bandwidth can reach 500 MHz with the spectral resolution of 60 kHz.
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/2072
Collection微波遥感部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
张江漫,张升伟,北京8701信箱. K波段谱分析技术的微波辐射计方案设计[J]. 太赫兹科学与电子信息学报,2013,11(5):747-752.
APA 张江漫,张升伟,&北京8701信箱.(2013).K波段谱分析技术的微波辐射计方案设计.太赫兹科学与电子信息学报,11(5),747-752.
MLA 张江漫,et al."K波段谱分析技术的微波辐射计方案设计".太赫兹科学与电子信息学报 11.5(2013):747-752.
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