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单词 Seismic array
释义

Seismic array

英语百科

Seismic array

Layout of Yellowknife Seismological Array (YKA) in Canada. Shortband seismometers are installed on blue and red sites, while broadband seismometers are installed on green sites.[1]
A wavefront coming from north-east and crossing a seismic array[1]
Configuration of large aperture array NORSAR and small aperture array NORES.[8]

A seismic array is a system of linked seismometers arranged in a regular geometric pattern (cross, circle, rectangular etc.) to increase sensitivity to earthquake and explosion detection. A seismic array differs from a local network of seismic stations mainly by the techniques used for data analysis. The data from a seismic array is obtained using special digital signal processing techniques such as beamforming, which suppress noises and thus enhance the signal-to-noise ratio (SNR).

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更新时间:2025/6/20 21:48:37