OCT spectral signal acquisition and transmission system based on ZYNQ

A signal acquisition and transmission system technology, applied in the field of OCT spectral signal acquisition and transmission, can solve the problems of unable to meet the high-speed transmission requirements of large data volume, complex process, and difficult development, etc., to achieve strong performance, small PCB area, and applicability wide effect

Inactive Publication Date: 2019-10-15
ZHEJIANG UNIV OF TECH
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Problems solved by technology

[0005] The USB2.0 protocol and Gigabit Ethernet transmission interface can no longer meet the high-speed transmission requirements of large data volumes. Alt

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  • OCT spectral signal acquisition and transmission system based on ZYNQ
  • OCT spectral signal acquisition and transmission system based on ZYNQ
  • OCT spectral signal acquisition and transmission system based on ZYNQ

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[0034] In order to make the objectives, technical solutions and advantages of the present invention clearer, the implementation process of the present invention will be described in detail below with reference to the accompanying drawings.

[0035] Reference Figure 1 ~ Figure 4 , A ZYNQ-based OCT spectral signal acquisition and transmission system, including a spectral signal generation unit and a data acquisition and transmission unit. The spectral signal generation unit includes an optical fiber connector, a collimation system, a transmission grating and a focusing lens; the data acquisition The transmission unit includes a linear CCD sensor module, a preamplifier module, an analog-to-digital conversion module, a ZYNQ module, a USB3.0 data transmission module, a synchronous trigger module and a power supply module.

[0036] The power supply module is connected to the linear array CCD sensor module and the ZYNQ module at the same time, the linear array CCD sensor module is connec...

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Abstract

An OCT spectral signal acquisition and transmission system based on ZYNQ comprises a spectral signal generation unit and a data acquisition and transmission unit, and the spectral signal generation unit comprises an optical fiber connector, a collimation system, a transmission type grating and a focusing lens; the data acquisition and transmission unit comprises a linear array CCD sensor module, apre-amplification module, an analog-to-digital conversion module, a ZYNQ module, a DDR3 data cache module, a USB3.0 data transmission module, a synchronous trigger module and a power supply module. According to the invention, the requirements of the OCT technology in a rapid, large-data-volume and high-resolution transmission scene can be met.

Description

technical field [0001] The invention belongs to the field of OCT spectral signal collection and transmission, and relates to the field of integrated circuit design of optics, ZYNQ processing platform and high-speed USB3.0 transmission protocol. Background technique [0002] Optical coherence tomography (OCT) is a new type of tomography that has developed rapidly in recent years and has the most promising prospects, especially in the detection and imaging of biological tissues. It has been used in the clinical diagnosis of ophthalmology, dentistry and dermatology, and can also be used to collect information such as sweat pores and fingerprints in the human dermis. It is another major technological breakthrough after X-CT and MRI technology. At present, OCT technology has been used in It has been widely used in medicine, industry and other fields. OCT technology uses the basic principle of weakly coherent light interferometer to detect the back reflection or several scattered...

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Application Information

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IPC IPC(8): H04N5/14H04N5/372G06F13/42
CPCH04N5/14G06F13/4282H04N25/71
Inventor 陈朋董纪腾何建彬王海霞蒋莉梁荣华
Owner ZHEJIANG UNIV OF TECH
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