论文信息 - Some Applications Of The Chirp Sonar

Some Applications Of The Chirp Sonar

A new swept FM, digital subbottom profiler, the chirp sonar, utilizes modern digital signal processing algorithms and hardware (AT&T DSP32C) to generate high resolution images of ocean sediments to 100 meters with 10 cm vertical resolution. Matched-filter processing improves the inband SNR of subbottom returns by at least 20 dB. High SNR allows quantitative analyses such as reflectivity and acoustic attenuation measurements providing surficial and subbottom sediment classification. Reflection profiles showing classified sediments can be used for EEZ, dredging, pipeline, and port and river engineering surveys; geologic studies; and acoustic propagation modeling.

L. R. LeBlanc | S. G. Schock | S. Schock | L. LeBlanc

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