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本文以离散付里叶变换手段数值模拟海浪过程,对海浪单过程的模拟提出三种具体模式,并介绍了模拟的实现方法。以我国1966年提出的海浪谱为靶谱,在DJS—6电子计算机上实现,给出了模拟波面及谱曲线,比较靶谱及模拟谱表明,以m=400个子波叠加进行模拟时,模式及实现方法是满意的。
In this paper, discrete Fourier transform is used to numerically simulate the ocean wave process. Three specific modes are proposed to simulate the single ocean wave process, and the implementation of the simulation is introduced. According to the wave spectrum proposed by our country in 1966, it is realized on the DJS-6 electronic computer, and the simulated wave surface and spectral curve are given. Comparing the target spectrum with the simulated spectrum shows that when m = 400 wavelets are superimposed for simulation, And the method of realization is satisfactory.