Zhende Chen

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The DEM generalization is the basis of multi-dimensional observation, the basis of expressing and analyzing the terrain. DEM is also the core of building the Multi-Scale Geographic Database. Thus, many researchers have studied both the theory and the method of DEM generalization. This paper proposed a new method of generalizing terrain, which extracts(More)
The relationship of spectral feature, spectral vegetation indices, and biophysical, and biochemical parameters between susceptible and resistant varieties of tomatoes under tomato yellow leaf curl virus (TYLCV) stress were analyzed, and the significance of vegetation indices were tested in this paper. The results showed significant different existed in(More)
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