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Forward-looking sonar signal processing hardware system based on ZYNQ

A hardware system and signal processing technology, applied in the field of marine acoustic equipment, can solve the problems of slow imaging speed and huge amount of data, and achieve the effect of ensuring real-time rate, high hardware integration, and reducing software development costs

Active Publication Date: 2021-07-16
ZHEJIANG UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the problems that the existing forward-looking sonar signal processing system needs to collect dozens or even hundreds of analog front-end circuits at the same time, the data volume is huge, and the imaging speed is slow.

Method used

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  • Forward-looking sonar signal processing hardware system based on ZYNQ
  • Forward-looking sonar signal processing hardware system based on ZYNQ
  • Forward-looking sonar signal processing hardware system based on ZYNQ

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Embodiment Construction

[0035] In order to make the technical implementation of the present invention more clear, the present invention will be further described below in combination with specific schematic diagrams.

[0036] refer to Figure 1 ~ Figure 3 , a forward-looking sonar signal processing hardware system based on ZYNQ, including ZYNQ module, Spartan-6 module, high-speed AD module, analog front-end module, power module, DDR3 module, Gigabit network module, PWM module, DA module, SD card module and a serial communication module, wherein the analog front-end module includes a signal amplification module, a band-pass filter module and a TVG module.

[0037] Described ZYNQ module comprises ZYNQ minimum system, Flash module, JTAG module, software and hardware reset module and external crystal oscillator module, is responsible for and Spartan-6 module, DA module, PWM module, Gigabit network module, serial port communication module, DDR3 module and SD Card module data interaction, in the signal pr...

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Abstract

The invention discloses a ZYNQ-based forward-looking sonar signal processing hardware system and relates to the technical field of marine acoustic equipment. The system comprises a ZYNQ module, a Spartan-6 module, a high-speed AD module, an analog front-end module, a power supply module, a DDR3 module, a gigabit network module, a PWM module, a DA module, an SD card module and a serial port communication module. The system is good in anti-interference capability, low in power consumption and good in real-time performance. The ZYNQ-based forward-looking sonar signal processing hardware system provided by the invention has the advantages of synchronous acquisition of multiple analog channels, high-speed processing of a large amount of data and high imaging speed.

Description

technical field [0001] The present invention relates to the technical field of marine acoustic equipment, in particular to a ZYNQ-based forward-looking sonar signal processing hardware system. Background technique [0002] Due to the complex underwater environment in the ocean, sound waves that can be transmitted over long distances in water have become an effective way of information transmission in the process of ocean exploration and research. Although the lower the frequency of the acoustic signal, the less the energy will attenuate underwater, but in order to ensure the resolution of the image, the general imaging sonar system still selects a higher frequency signal. Sonar imaging technology uses acoustic signals as a carrier to transmit information, and generates and displays images through imaging equipment for the identification, positioning and display of targets or obstacles. Common forward-looking sonars are divided into single-beam imaging sonar, multi-beam imag...

Claims

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Application Information

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IPC IPC(8): G01S7/539
CPCG01S7/539
Inventor 陈朋仰宗峰赵冬冬王海霞梁荣华
Owner ZHEJIANG UNIV OF TECH
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