基本信息
文件名称:(4.4.2)--遥感在精细农业中的应用.ppt
文件大小:3.01 MB
总页数:29 页
更新时间:2025-06-05
总字数:约小于1千字
文档摘要

1GeneralPrinciplesForRecognizingVegetation

RemotesensinginPA

2GeneralPrinciplesForRecognizingVegetation

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4地物反射光谱

5LandsatsThematicMapperBandNo.Wavelength

Interval(μm)Spectral

ResponseResolution(m)10.45-0.52Blue-Green3020.52-0.60Green3030.63-0.69Red3040.76-0.90NearIR3051.55-1.75Mid-IR30610.40-12.50ThermalIR12072.08-2.35Mid-IR30

6SpectralReflectanceofLandCovers

7期

8SpectralReflectanceofLandCovers

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10小雪粒绿草棕色沃土

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13Cropstress

14lossofwaterandbreakdownofcellwalls

15LeafAreaIndexNDVI=100*SquareRoot[(IR-Red)/(IR+Red)]

16theNearIRreflectanceswillincreasewithLAI

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18phenology

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20Hyperionhyperspectralsensor

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27224contiguousspectralchannels(bands)withwavelengthsfrom400to2500nanometers.AVIRIS

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