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Description: 如何用很不正常的方法去掉XP中的驱动程序签名-How far from the normal method of removing XP driver signing
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Size: 87040 |
Author: john |
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Description: 高速高分辨率CCD器件的实用化是近年图像采集领域的一个研究热点。选用科学级柯达
新型高分辨率可见光面阵CCD KA I- 0304设计了一种高速图像采集系统。该系统采用KSC - 100作为时序发生器驱动面阵CCD 和信号处理器AD9840A, 实现对CCD面阵输出模拟信号的高速A /D转换, 并将信号快速转存至片外SDRAM 存储器, 经USB 采集系统将数据发送到计算机。系统采用相关双采样( CDS)技术滤除信号中的相关噪声, 提高了系统的信噪比, 采集速度达40Mb it / s, 具有
集成度高、低噪声、数据传输速度快等特点。经测试, 系统工作稳定, 为高端科学级CCD面阵的实用化提供了一种设计方案。-The applicat ion of h igh speed and high reso lution CCD is a research ho tspot in im age ac
quisit ion fie ld. A high speed image acqu isition system is introduced and designed by using a new
high reso lution sc ientific leve l v isible light area CCD KA I- 0304. In the design, area CCD and signa l
processor AD9840A are driven by using KSC- 100 as the tim ing and driv ing c ircuit and then the
conversion o f h igh speed A /D for the CCD output o f analog signal is performed. The generated data
signa l is qu ickly transferred to ex terna l SDRAM m emory. Fina lly, data w ill be sent to a computer via
USB acqu isition system. Furthermo re, correlated double sampling( CDS) techno logy is adopted in the sys
tem to remove the relevant signa l no ise and the signal- to- no ise ration( SNR) is improved. The acqui
sition speed is up to 40Mbit/s. The system is featured by high integration, low no ise, h igh speed data
transm ission. A fter test ing, the s
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Size: 259072 |
Author: 胡 |
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