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A forward-looking sonar signal processing hardware system based on zynq

A hardware system and signal processing technology, which is applied in the field of marine acoustic equipment, can solve the problems of huge data volume and slow imaging speed, and achieve the effects of high hardware integration, guaranteed real-time rate, and reduced development costs

Active Publication Date: 2022-07-26
ZHEJIANG UNIV OF TECH
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  • Abstract
  • Description
  • Claims
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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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  • A forward-looking sonar signal processing hardware system based on zynq
  • A forward-looking sonar signal processing hardware system based on zynq
  • A forward-looking sonar signal processing hardware system based on zynq

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Embodiment Construction

[0035] In order to make the technical realization of the present invention clearer, the present invention is further described below with reference to the specific schematic diagrams.

[0036] refer to Figure 1 to Figure 3 , a ZYNQ-based forward-looking sonar signal processing hardware system, 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 A 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] The ZYNQ module includes ZYNQ minimum system, Flash module, JTAG module, software and hardware reset module and external crystal oscillator module, responsible for working with Spartan-6 module, DA module, PWM module, Gigabit network module, serial communication module, DDR3 module and SD Card module data exchange, in the signal processing system, ZYN...

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Abstract

A ZYNQ-based forward-looking sonar signal processing hardware system relates to the technical field of marine acoustic equipment, including 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, and a PWM module , DA module, SD card module and serial communication module. The invention has good anti-interference ability, low power consumption and good real-time performance. The invention provides a ZYNQ-based forward-looking sonar signal processing hardware system capable of synchronous acquisition of multiple analog channels, high-speed processing of a large amount of data, and fast imaging speed.

Description

technical field [0001] The 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 complexity of the underwater environment in the ocean, sound waves that can transmit long-distance in the water have become an effective information transmission method in the process of ocean exploration and research. Although the lower the frequency of the acoustic signal, the less the energy is attenuated 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 the carrier of 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 imaging sonar and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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