A method of underwater acoustic matching field localization based on compressive sensing
A technology of compressed sensing and positioning method, which is applied in positioning, measuring devices, instruments, etc., and can solve the problems of not using the spatial spectrum sparsity of underwater targets
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[0058] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0059] like Figure 4 As shown, the present invention provides a method for positioning an underwater acoustic matching field based on compressed sensing, comprising the following steps:
[0060] Step 1, determine the search range of the sound source.
[0061] figure 1 Shown is a schematic diagram of the simulation environment, the receiving array is figure 2 The position shown is vertical, with the sound source on the right side of the receive array. The propagation characteristics of sound waves in the ocean are very complicated, but the propagation process can be explained by the wave equation. In this embodiment, the normal wave model is used to measure the sound field.
[0062] Within the observation range, discretize the observation range area into Q grid points to obtain the grid area (R, Z), where R represents the distance rang...
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