Abstract
Technology of modern communication and channel estimation cannot be separated from the research on electromagnetic problems of the sea surface. Considering the cost and other factors, the electromagnetic simulation method is a very valuable research project. FDTD method can be applied to various electromagnetic problems very well, but when dealing with electrically large problems, there will be a large amount of computation, but also occupy a very large memory space, and the calculation is very difficult. To solve the above problems, this paper presents the parallel Moving-Window FDTD algorithm based on OpenCL and GPU, and has completed the wave propagation simulation above sea surface, and get the relevant information. The main content includes: rapid generation of sea surface based on OpenCL and GPU, the implementation of parallel three-dimensional FDTD algorithm and boundary conditions based on OpenCL, and the simulations on the typical parameters of the sea. The code of the above contents is written and debugged on AMD A8 6600K CPU and AMD R7 260X GPU, the computation speed is greatly improved, and the simulation results are in agreement with the theory.
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