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本文介绍了以EDA设计软件MAX PLUSII为基础,利用VHDL语言设计一个CRC(7,3)码编码器的基本方法,所设计的编码器可将任意3位信息位转换为7位CRC码,并给出了该编码器在MAX PLUSII软件平台下的仿真结果及所生成的可共享的CRC编码模块。 相似文献
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李小文 《中国现代教育装备》2012,(7):39-39
具体介绍了实验室计算机进水后的处理方法,如积水清理、计算机主机的清理和干燥等;总结了后续管理方法,如空调机和抽湿机的适当使用等。 相似文献
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阐述了广播式自动相关监视ADS—B应答信号处理系统报头检测中的有效位置检测算法、参考功率算法以及CRC校验和纠错算法的原理及实现,给出了相应的Matlab仿真结果。通过验证,该算法符合设计要求,能够准确地提取ADS—B信号的参考功率,并且完成校验和纠错。 相似文献
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比较了循环冗余校验的除法编码与乘法编码结果,特别是冗余码点的分布特点。揭示了循环冗余校验码的经济、审美和认知价值。 相似文献
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The State Transition Equation (STE) based method to automatically generate the parallel CRC circuits for any generator polynomial
or required amount of parallelism is presented. The parallel CRC circuit so generated is partially optimized before being
fed to synthesis tools and works properly in our LAN transceiver. Compared with the cascading method, the proposed method
gives better timing results and significantly reduces the synthesis time, in particular.
Project (No. 60271010) supported by the National Natural Science Foundation of China 相似文献
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Objective
This study explored the prevalence of childhood maltreatment in South Korea using the retrospective version of ICAST and the associations between perceptions of abuse experienced during childhood and recent interpersonal problems and depression.Methods
539 young persons, aged 18–24 years, from various universities, work places, and clinical settings participated in a study using the ISPCAN Child Abuse Screening Tool-Retrospective Version (ICAST-R), the short form of the Korean-Inventory of Interpersonal Problems Circumplex Scale (KIIP-SC), and the Korean version of the Beck Depression Inventory (K-BDI).Results
While males reported more physical abuse, females reported being exposed to more emotional or sexual abuse. The proportion of reported extra-familial or peer abuse was relatively high. Interpersonal problems and depression were significantly high for those who experienced all types of abuse during childhood. Perception of physical abuse as reasonable/justified discipline affected interpersonal problems and perception of emotional abuse when compared to peers affected interpersonal problems and depression. Unlike previous studies, this study identified more depressive symptoms reported with disclosure of sexual abuse.Practice implications
These findings highlight the importance of understanding how one perceives maltreatment. Perceiving an abusive act as a justifiable disciplinary method may affect reporting as well as longer term consequences for the victim. A wide range of perpetrators and different settings in which maltreatment may occur must be considered as influencing these perceptions. This study contributed to the determination of validity of the ICAST-R for use in wider population surveys. 相似文献8.
李晶 《包头职业技术学院学报》2014,(4):23-26
数据包校验与网关技术是计算机监控系统中的关键技术。各种常用的数据包校验算法是研究的重点,包括异或校验、累加和校验、循环冗余校验、以及TCP/IP中常用的累加和求补校验,随后给出了各自的应用实例。接着介绍了数据接收技术,提出了一个解决数据不连续问题的处理方案。最后,介绍了关于协议转换的网关技术。在综合应用以上技术的基础上,提出了一个远程处理模型。 相似文献
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通过对车辆射频识别(RFID)系统方案的分析,从软硬件两方面设计与实现了该系统中的一个关键部分——信号处理模块。信号处理模块采用低成本高性能的AT89C51单片机芯片为核心,通过软件设计实现防碰撞、CRC校验码检错、编解码、通信等功能,从而具有成本低、识别时间短、抗干扰能力强、通信可靠等优点。 相似文献
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王小燕 《九江职业技术学院学报》2021,(1):26-28
在分析各种通讯校验方式的优劣并重点研究三菱PLC的编程口通讯协议及其CRC校验后,基于LabVIEW的CRC校验算法被编程实现。实验结果表明:该编程实现了下位机三菱PLC和上位机LabVIEW之间的CRC校验通讯,通讯及校验方式可靠且错误率低。 相似文献