基于三角和线性台阵的煤矿背景噪声成像技术适用性研究
张泽奇, 高级, 刘梁, 查华胜, 张海江

Applicability of an imaging method for ambient noise in coal mines based on triangular and linear arrays
ZHANG Ze-Qi, GAO Ji, LIU Liang, ZHA Hua-Sheng, ZHANG Hai-Jiang
图5 不同频率噪声源的传播速度及方位
Fig.5 Distribution of noise source azimuth and velocity at different frequencies