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如果是原始波形，我是否需要先对波形进行滤波，再使用Hibert wide算法计算绝对飞行时间，以及互相关算法计算飞行时间差？ 或者说这两个算法自带滤波功能，不需要滤波？
您好，你能提供一些你正在查看的截图吗？
