遙感原理 Wavelength The distance from one wave crest/o next Figure 1. Electromagnetic Spectrum AAlT Rado∴ 激趣3 MIDwAve Wavelengths in Meters Radio waves have longest wavelength and Gamma rays have shortest 烟台师范学院地理与资源管理学院遥感原理 烟台师范学院地理与资源管理学院 Wavelength • The distance from one wave crest to the next • Radio waves have longest wavelength and Gamma rays have shortest!