Abstract

The expected sensitivity of a high-resolution tomographic inversion of a 10-km slice of shallow water has been studied. Parabolic equation calculations of the Frechet derivative of simulated data at 10-km range for measured sound-speed profiles were made. The computations are based on using an existing 29-element transmitter array together with a 32-element receive array separated by 10 km. The frequency bandwidth was 3.4 kHz. The Fourier syntheses of these results produce a sensitivity map for each temporal segment of the arrival structure.

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