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GPU-based universal sonar signal simulator design method

A signal simulator and design method technology, applied in computer-aided design, design optimization/simulation, calculation, etc., can solve the problems of large data throughput and calculation, low demand efficiency, etc., shorten the development cycle and save development funds Effect

Pending Publication Date: 2022-04-01
HAIYING ENTERPRISE GROUP
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Problems solved by technology

[0006] For this reason, the technical problem to be solved by the present invention is to overcome the problem that the simulator system in the prior art is faced with the characteristic scene of large data throughput and calculation amount and the problem of low efficiency for complex environment, multi-tasking, and large-scale data processing. Thereby providing a design method based on GPU general-purpose sonar signal simulator

Method used

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  • GPU-based universal sonar signal simulator design method
  • GPU-based universal sonar signal simulator design method
  • GPU-based universal sonar signal simulator design method

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Embodiment Construction

[0027] Such as figure 1 As shown, the present embodiment provides a method for designing a general-purpose sonar signal simulator based on a GPU. The simulator design method is based on a working parameter library to build a design. Further, the design experiment scene conditions are as follows: a uniform line array has a total of 32 array elements, carrier frequency is 4KHz, bandwidth B=1KHz, spacing between array elements is half wavelength, sampling frequency f s = 25.6KHz, the emission mode is omnidirectional, directional, and sector, the sea state is set as a shallow sea environment with moderate noise, the ship is in a static state, and the number of targets, target position, movement and other parameters are set according to requirements.

[0028] Further, the hardware platform parameters of the emulator are shown in the following table:

[0029] Performance of GPU Sonar Data Processing Devices

[0030] serial number name details 1 CPU Two E5-269...

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Abstract

The invention relates to a universal sonar signal simulator design method based on a GPU, and the simulator design method is based on the construction design of a working parameter library, and comprises the following steps: configuring a simulator working parameter library; generating environmental noise; generating a ship radiation noise signal; generating a sonar emission signal; simulating sonar detection performance; generating a target echo signal; generating an array signal; and the data is sent to the DA module through the external interface. According to the GPU-based universal sonar signal simulator design method, the sonar development period is effectively shortened, the development expenditure is saved, the method can be suitable for different sonar application scenes such as low frequency, intermediate frequency and high frequency, and the simulator designed through the design method can have the characteristics of being real-time, open and reusable.

Description

technical field [0001] The invention relates to the technical field of underwater acoustic detection simulation, in particular to a design method for a GPU-based general-purpose sonar signal simulator. Background technique [0002] Since GPU was launched by NVIDIA in 1999, it has been rapidly developed and applied due to its powerful computing capabilities. Compared with the CPU, the multi-core system and parallel structure of the GPU make it have the natural potential of parallel computing, so its data transmission bandwidth is larger, the computing units are more, and the floating point computing power is also stronger, which is very suitable for large data throughput and computing Simultaneous computing requirements of the simulation system with large quantities and parallel execution of multiple simulation tasks. And through the PCI Express communication interface, the GPU card can be easily transplanted on multiple processing platforms, and has very high reliability, w...

Claims

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Application Information

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IPC IPC(8): G06F30/20G06F119/10
Inventor 徐娜
Owner HAIYING ENTERPRISE GROUP
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