A HIGH-RESOLUTION CHIRP TRANSFORM SPECTROMETER FOR MICROWAVE MEASUREMENTS

被引：53
|
作者：
HARTOGH, P
HARTMANN, GK
机构：
[1] Max-Planck-lnstitut für Aeronomie, D-3411 Katlenburg-Lindau
来源：
MEASUREMENT SCIENCE AND TECHNOLOGY | 1990年 / 1卷 / 07期
关键词：
D O I：
10.1088/0957-0233/1/7/008
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A microwave heterodyne spectrometer consists of a radiometer front-end and a real-time spectrum analyser back-end. Common spectrometer types are filterbanks, autocorrelators and acousto-optic spectrometers (AOS). A high-resolution chirp transform spectrometer using reflective array compressor (RAC) filters with a time bandwidth product of 6400 is presented. The spectrometer has 1600 channels within a 40 MHz input bandwidth and a linear dynamic range of 63 dB for a CW input. It seems to be very promising for future space applications.
引用
收藏
页码：592 / 595
页数：4
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