地面混合

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使用分布在较大表面积上的源或地震检波器的阵列或模式。阵列的目的通常是使垂直传播的反射能量同相相加,而水平传播的能量和随机噪声则被部分抵消,整个阵列实际上起着一个大源或检波器的作用。该术语有时用作相邻地震检波器或信号源模式实际上重叠的情况。