不必要的振动合成地震记录-地球科学堆栈交换江南电子竞技平台江南体育网页版
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2023 - 07 - 09 - t19:53:34z
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在合成地震记录的振荡
阿玛蒂亚
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2016 - 04 - 14 - t19:58:19z
2016 - 04 - 22 - t16:36:57z
< p >我已经生成的合成地震记录使用交错网格FDTD弹性velocity-stress配方。我不明白在地震记录振幅调制的起源。< a href = " https://i.stack.imgur.com/HggTo.jpg " rel = " nofollow noreferrer " > < img src = " https://i.stack.imgur.com/HggTo.jpg " alt = "在这里输入图像描述" > < / > < / p > < p >是分散的结果吗?我已经满足了网格离散标准(10网格/最小波长),使其低于5%,但仍很突出。< / p > < p >模型描述:速度:Vp = 2000 m / s;Vs = 1500 m / s;来源:堆垛机(20 hz)。网格间距:dx = dv = 1 m;时间取样:dt = 0.1毫秒< / p > < p > <强>编辑1 < /强> < / p > < p >我有纠正一个问题相关的源(现在我使用软源)和初始脉冲平滑。但是它的尾巴还有振荡。< a href = " https://i.stack.imgur.com/j2BN0.jpg " rel = " nofollow noreferrer " > < img src = " https://i.stack.imgur.com/j2BN0.jpg " alt = "压力修正" > < / > < / p >