| Autor: |
R. L. Field, M. K. Broadhead |
| Rok vydání: |
1991 |
| Předmět: |
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| Zdroj: |
Ocean Variability & Acoustic Propagation ISBN: 9789401054621 |
| DOI: |
10.1007/978-94-011-3312-8_4 |
| Popis: |
The effects of sound speed on the shape of the ocean impulse response measured within the shadow zone are investigated at a range of 12 km and depths of 489, 677, and 841 m. Measured impulse responses are computed by cross-correlating received signals at these depths with a source replica of 35–55 Hz bandwidth. Time waveform envelopes of the measured responses are compared with envelopes computed by a time-domain parabolic equation model for three sound speed cases. It is found that the envelopes of these responses are predictable enough to remove propagational distortion by deconvolving the data envelope with the model envelope and thus extract useful source signal characteristics. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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