Abstract
Canopy radiation and scattering signal contains abundant vegetation information. One can quantitatively retrieve the biophysical parameters by building canopy radiation and scattering models and inverting them. Joint simulation of the three-dimensional (3D) models for multiband may combine the advantages of different spectral (frequency) domains. It is also a useful tool for validation in remote sesnsing because of the high precision of the 3D model. This manuscript presented a 3D joint simulation platform which was able to simulate the remote sensing responses of the 3D scene from visible to microwave bands. As a case study, we used the platform to simulate a virtual scene with populus, and did a sensitivity analysis on the radiation and scattering responses of different wavelengths to leaf area index (LAI). The application of the joint simulation platform was prospected.
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