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USB (Universal Serial Bus) based real-time data acquisition and storage system and method

A data acquisition and real-time acquisition technology, applied in data acquisition and recording, etc., can solve problems such as damage to system reliability and data loss, and achieve good reliability, stable performance, and good real-time performance

Active Publication Date: 2011-04-13
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to avoid data loss due to data processing jitter in the PC system and damage the system reliability, and to further improve the real-time performance of the system, it is necessary to research and develop a high-speed data acquisition system

Method used

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  • USB (Universal Serial Bus) based real-time data acquisition and storage system and method
  • USB (Universal Serial Bus) based real-time data acquisition and storage system and method
  • USB (Universal Serial Bus) based real-time data acquisition and storage system and method

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Embodiment Construction

[0071] The USB-based real-time data acquisition and storage system of the present invention can be used for real-time data acquisition of a hyperspectral imager, and includes a data acquisition device and a computer connected with the hyperspectral imager. The data acquisition device is used to realize high-speed data acquisition and transmission of digital image data to the computer, including four interface modules, four cache modules and two data sending modules, the control unit and high-speed asynchronous advanced advanced The output buffer is implemented by FPGA; four interface modules, four cache modules and two data transmission modules can form four independent data transmission channels; the interface module is a level converter, and the interface module converts LVDS signals into TTL signals level signal, which can realize the level conversion and interface conversion between the imager and the cache module; the cache module can realize real-time data acquisition and...

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Abstract

The invention relates to USB (Universal Serial Bus) based real-time data acquisition and storage system and method. The system comprises a data acquisition device and a computer, which are connected with an imager. The invention aims to provide the USB based real-time data acquisition and storage system and method so as to overcome the defects in the prior art. The USB (Universal Serial Bus) based real-time data acquisition and storage system has the advantages of fast acquisition speed, good system real-time property, high transmission reliability, small use volume, portability, stable working performance and the like.

Description

technical field [0001] The invention relates to image data collection and processing technology, in particular to the data collection and processing technology of a hyperspectral imager. Background technique [0002] With the high development of hyperspectral imaging technology, the data flow is increasing, and the real-time requirements are also increasing, which brings greater challenges to the high-speed real-time data acquisition system. In order to avoid data loss caused by data processing jitter in the PC system and damage the system reliability, and to further improve the real-time performance of the system, it is necessary to research and develop a high-speed data acquisition system. Therefore, an efficient real-time image data acquisition and storage system is needed to realize high-speed acquisition, transmission and storage of hyperspectral imaging data, and provide favorable technical support for hyperspectral imaging technology. Contents of the invention [0...

Claims

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Application Information

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IPC IPC(8): G06F17/40
Inventor 胡炳樑呼媛刘学斌陈小来于涛段晓峰王爽马亮
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI