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Signal to noise ratio simulation of lake water color monitoring oriented satellite remote sensing system

  • Jia Tian*
  • , Bin Peng
  • , Jing Wang
  • , Xiang Li
  • *Corresponding author for this work
  • Nanjing University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Signal to noise ratio (SNR) is of great significance to the satellite remote sensing system dedicated to the monitoring of lake water color. The technical requisites were set in this paper taking reference to the Sea-viewing Wide Field-of-View Sensor (SeaWiFS), which was aboard on the SeaStar. We simulated radiative transfer process from water-leaving radiance to apparent radiance on the top of atmosphere using 6S model, and calculated SNR based on the Equivalent Electron Theory. Our results showed that SNR in bands less than 500 nm was too low to meet the demand. Time Delay Integration (TDI) was essential in these bands. However, in bands greater than 500 nm, the SNR was higher enough (greater than 400), indicating there was still much potential to improve the spatial or spectral resolution in these bands.

Original languageEnglish
Title of host publicationRemote Sensing of the Environment
Subtitle of host publicationThe 17th China Conference on Remote Sensing
DOIs
StatePublished - 2011
Externally publishedYes
EventRemote Sensing of the Environment: The 17th China Conference on Remote Sensing - Hangzhou, China
Duration: 27 Aug 201031 Aug 2010

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume8203
ISSN (Print)0277-786X

Conference

ConferenceRemote Sensing of the Environment: The 17th China Conference on Remote Sensing
Country/TerritoryChina
CityHangzhou
Period27/08/1031/08/10

Keywords

  • Lake
  • Multi-band remote sensing
  • SNR
  • Seawifs
  • Water color

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