小角散射 Experiment Geometry Radiation Scattering Spatial Average 人 Terminelion Statisieal Termitation 5深· Wave- Fourier 时h Auo。 Error Langih Length leg Ieup c(h) infegral integral inngra Jransfommalon correlation ◆logI ple)Tte)-c2 8团8 Fig.1 Schematic representation of the correlation between a particle and its observation experimental scattering data 12小角散射 12