| 基于FPGA的自准直系统数据处理技术 |
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| 引用本文： | 王晔,周志炜,王元伟.基于FPGA的自准直系统数据处理技术[J].传感器与微系统,2017,36(2). |
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| 作者姓名： | 王晔 周志炜 王元伟 |
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| 作者单位： | 中国电子科技集团公司第四十九研究所,黑龙江哈尔滨,150001 |
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| 摘 要： | 提出一种基于现场可编程门阵列(FPGA)的CCD自准直测角系统.以FPGA作为系统处理核心;以自适应调节模块为CCD驱动发生器提供准确的波形时序;采用边缘检测算法获得图像的像元级边界;通过最小二乘拟合算法计算得到光斑圆心位置;利用VHDL语言以及MAX+plusⅡ软件完成了系统设计.系统测试和实验表明:所设计的片上系统具有高精度、高集成度的特点.
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| 关 键 词： | CCD 现场可编程门阵列 亚像元细分 边缘检测 片上系统 |
Research on data processing technology based on FPGA for auto collimating system |
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| WANG Ye,ZHOU Zhi-wei,WANG Yuan-wei.Research on data processing technology based on FPGA for auto collimating system[J].Transducer and Microsystem Technology,2017,36(2). |
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| Authors: | WANG Ye ZHOU Zhi-wei WANG Yuan-wei |
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| Abstract: | A CCD auto collimation angle measuring system based on field programmable gate array (FPGA)is proposed.In this system,FPGA is used as processor core of system;using self-adaptive module to provide accurate waveform timing for CCD driving generator;edge detection algorithm is utilized to obtain pixel level edge of image;by using the least square fitting algorithm,circle centre position of facula is calculated;system design is completed with VHDL and MAX + plusⅡ software.System testing and experiment prove that the system has characteristics of high precision and high integration. |
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| Keywords: | CCD field programmable gate array (FPGA) sub-pixel subdivision edge detection system on chip (SoC) |
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