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基于CPLD的高速线阵TDI CCD驱动电路设计 预览 被引量:6

Design of CPLD Based High Speed Linear TDI CCD Driving Circuit
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摘要 随靶场测试技术的要求提高,特别在高速飞行弹丸测试技术领域,对弹丸着靶的两维坐标的测量精度提出了更高要求,利用高速高灵敏度的CCD器件为核心的图像采集系统,采集弹丸过靶的图像,通过图像分析可提高其测量精度;基于CPLD技术,简述IL—E2 TDICCD的基本工作原理及其时序要求,根据其要求自行设计高速线阵IL--E2 TDICCD芯片图像采集所需的复杂时寄和CCD外围驱动电路;分析IL—E2 TDICCD外围驱动电路设计的基本原理与CPLD内部逻辑时序设计,完成线阵IL—E2 TDICCD图像采集的驱动时序电路;实践证明,该电路结构简单,可靠性高,满足测试要求。 With the requirement of improved the fire field test technology, especially in the test technology field of the high velocity flying pill, the higher demand is proposed to the two-dimensional coordinate measurement accuracy of the pill firing, using CCD with the high velocity and high sensitivity as the core of image acquiring system, acquiring the image of the pill through the target, can improve its measurement accuracy by analyzing the image. Based on CPLD technology the primary working principle and ks sequence demand of IL--E2 TDI CCD are introeued, according to its requirements complicated driving sequence circuit of the high velocity linear IL--E2 TDI CCD chlpset image acquiring and CCD peripheral driving circuit are designed; By analysing base principle of IL--E2 TDI CCD peripheral driving circuit de signed and interior logical sequence designed of the CPLD, the driving sequence circuit of the linear IL--E2 TDI CCD image acquiring is designed. The practice proves that the structure of the hardware circuit is simple with high reliability, and can content the test demand.
作者 李翰山 王泽民 雷志勇 雷鸣 李静 Li Hanshan, Wang Zemin, Lei Zhiyong, Lci Ming, Li Jing (School of Electronic Information Engineering, Xi' an Technological University, Xi' an 710032, China)
出处 《计算机测量与控制》 CSCD 2007年第1期 122-123,126,共3页 Computer Measurement & Control
关键词 线阵TDI CCD CPLD 逻辑时序 驱动电路 linear TDI CCD CPLD logical sequence; driving circuit
作者简介 李翰山(1978-),男.硕士,主要从事测控技术方向的研究。
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