Realization of high-speed real-time optical fiber image transmission system

SUN Ke-lin; ZHOU Wei-chao; WU Qin-zhang

doi:10.3788/OPE.20111909.2228

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Realization of high-speed real-time optical fiber image transmission system

Article | 更新时间：2020-08-12

- Realization of high-speed real-time optical fiber image transmission system
- Optics and Precision Engineering Vol. 19, Issue 9, Pages: 2228-2235(2011)
- 作者机构：
  
  1. 中国科学院光电技术研究所,四川成都,610209
  2. 中国科学院研究生院北京,100039
  3. 电子科技大学,四川成都,610054
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20111909.2228
  CLC： TN919.8
- Received：10 December 2010，
  
  Revised：19 March 2011，
  
  Published Online：26 September 2011，
  
  Published：26 September 2011
- 稿件说明：
移动端阅览
孙科林, 周维超, 吴钦章. 高速实时光纤图像传输系统的实现[J]. 光学精密工程, 2011,19(9): 2228-2235

SUN Ke-lin, ZHOU Wei-chao, WU Qin-zhang. Realization of high-speed real-time optical fiber image transmission system[J]. Editorial Office of Optics and Precision Engineering, 2011,19(9): 2228-2235
孙科林, 周维超, 吴钦章. 高速实时光纤图像传输系统的实现[J]. 光学精密工程, 2011,19(9): 2228-2235 DOI： 10.3788/OPE.20111909.2228.

SUN Ke-lin, ZHOU Wei-chao, WU Qin-zhang. Realization of high-speed real-time optical fiber image transmission system[J]. Editorial Office of Optics and Precision Engineering, 2011,19(9): 2228-2235 DOI： 10.3788/OPE.20111909.2228.

摘要

为提高光电经纬仪上图像传输系统的性能

设计了利用现场可编程门阵列(FPGA)的Rocket IO IP核

完成了Camera link并行接口与光模块串行接口的相互转换。通过自定义的图像传输协议

搭建了图像传输系统与各个分系统的互联平台

实现了高速图像实时传输至机下进行处理、显示和记录

同时在该光纤通道上复合传输相机控制命令和外同步时序。阐述了系统总体结构思想

发送端和接收端的软、硬件设计

介绍了Rocket IO关键属性、数据包收发状态机、图像传输协议等。实验结果表明

系统工作速率达2.5 Gb/s

传输链路稳定、可靠、无误码

突破了传统光纤传输协议的开源局限

用户可直接使用光纤串行数据信息

减少导电环配线量

具有传输带宽高

图像质量好

抗电磁干扰性能强等优点。系统经过测试验证并已应于到工程项目中。

Abstract

To improve the performance of image transmission systems on optical electronic theodolites

the Rocket IO IP core based on a Field Programming Gate Array(FPGA) is designed to accomplish the interfaces conversion between parallel camera link and serial optical module.It uses a custom image transmission protocol to build a platform to interconnects the image transmission system with various subsystems. Using this optical fiber transmission channel

the system realizes high-speed real-time image transmmision down to a machine for processing

displaying and recording. It can also compound and transmit commands and synchronization timing up to the camera. This paper describes the system architecture

the software and hardware design for the sender

and receiver

and the key technologies for the system

and introduces attributes of Rocket IO

transceiver state machines for data-packets and the image transmission protocol. The experimental results indicate that the system will operate at a rate up 2.5 Gb/s

the transmission link is stable

reliable with no error codes. As the protocol is open-source

users can use the serial data directly.This design breaks through the limitations of traditional optical fiber transmission protocol

and reduces the amount of wiring. The advantages of this system is high bandwidth

high quality images and high anti-jamming level.After a validation test

the system has been applied to various projects.

关键词

Keywords

references

张达,徐抒岩. 高速CCD图像数据光纤传输系统[J]. 光学精密工程,2009,17(3):670-675. ZHANG D, XU SH Y. High-speed CCD image data fiber transmission system [J]. Opt. Precision Eng., 2009, 17(3):670-675.(in Chinese)[2] 韩红霞,郭劲,曹立华,等. 利用光纤进行多路数据与视频图像信息混合传输 [J]. 光学精密工程,2005,13(增):30-33. HAN H X, GUO J, CAO L H, et al.. Design of mixed transmission of multi-channel low-speed digital signals and high-speed video signals using optical fiber [J]. Opt. Precision Eng., 2005, 13(Supp):30-33.(in Chinese)[3] 李晓滨,解成俊,郭玉彬,等. 光CDMA 技术及应用[J]. 光学精密工程,2002,10(5):487-492. L I X B, XIE C J, GUO Y B, et al.. Optical CDMA technology and application [J]. Opt. Precision Eng., 2002, 10 (5):487-492. (in Chinese)[4] 韩光宇,刘伟,周刚,等. 双电机单元光纤定位机构[J]. 光学精密工程,2004,12(2):151-155. HAN G Y, L IU W , ZHOU G, et al.. Optical fiber positioning unit with two electro-motors [J]. Opt. Precision Eng., 2004,12(2):151-155. (in Chinese)[5] 王攀科.图像处理中高速接口互联技术研究. 北京:中国科学院,2009. WANG P K. Study of high speed interconnect technology in image processing. Beijing:Graduate University of the Chinese Academy of Sciences, 2005. (in Chinese)[6] HECHT J. 光纤光学[M]. 北京:人民邮电出版社,2004. HECHT J. Fiber Optics [M]. Beijing: People Post Press, 2004. (in Chinese)[7] 张玉富,谭笑,蒋慧娟. 光纤通信系统原理与实验教程[M]. 北京:电子工业出版社,2004. ZHANG Y F, TAN X, J IAN G H J. Optical-fiber Communication System Principle and Experiment Tutorial [M].Beijing: Electronic Industry Press, 2004. (in Chinese)[8] Xilinx. Rocket IO Transceiver User Guide[Z].2004.6.[9] Xilinx. Virtex-II Pro and Virtex-II Pro X Platform FPGA: Complete Data Sheet [Z].2005.10.[10] Xilinx. Virtex-II Pro and Virtex-II Pro XFPGA User Guide [Z]. 2007.11.[11] Camera Link committee. Camera Link Specifications[Z]. 2000.10.

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