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Characteristic Analysis of Millimeter wave Focal Plane Array Imaging System(PDF)

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
1998年03期
Page:
28-31
Research Field:
Publishing date:

Info

Title:
Characteristic Analysis of Millimeter wave Focal Plane Array Imaging System
Author(s):
Wang Huali Li Xingguo
School of Electronic Engineering and Optoelectronic Technology, NUST,Nanjing 210094
Keywords:
radiometers focal plane arr ay receivers sensit ivity signal-no ise ratio millimeter w ave imag ing
PACS:
TN957.5
DOI:
-
Abstract:
Recent development of monolithic millimeter -wave integ rated circuit s ( MMIC) technolo gy has led to the employment o f focal plane arr ay receivers in passive millimeter-w av e imag ing sy stems. We describe ty pical focal plane array receivers, and make a further analysis on the performance o f bo th mixer and dir ect detect ion radiomet ric receiver. T he IF amplification of the former is easier to achieve, w hile the sensit ivity of the lat ter is bet ter . T he sig nal-to-noise rat io characteristics o f focal plane array imag ing sy stem are also discussed in details. T he r esult s w ill benef it design consider ations and perfo rmance evaluat ions of mill imeter- wave focal plane ar ray imaging system.

References:

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Memo

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Last Update: 2013-03-29