A robust method for simulating the annual variability of remote sensing land surface temperature
A technology of surface temperature and simulation method, which is applied in design optimization/simulation, CAD numerical modeling, special data processing applications, etc., can solve the problem of difficulty in taking into account algorithm complexity and generalization ability, and achieve synchronization of accuracy and generalization ability Enhanced, adaptable effect
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[0016] like figure 1 As shown, the process for obtaining the simulation model of remote sensing surface temperature annual variation of the present invention is as follows:
[0017] The first step is to change from the traditional semi-physical geothermal annual variation model to a statistical model, that is, to expand the single sine function to the harmonic function. This step aims to solve the problem that a single sine function is difficult to describe the multi-time scale variation of surface temperature. The ATC model composed of a single sine function first proposed by Bechtel (2011) can describe the dynamic change trend of surface temperature within a year, and the formula is as follows:
[0018]
[0019] In the formula, T s (t) represents the fitted value of the model on day t; T 0 , A and θ denote the annual mean surface temperature, ATC amplitude and phase shift relative to the vernal equinox, respectively; d is the total number of days in a year. This class...
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