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Signature analyzers are very efficient output response compactors for BIST design. The only limitation of signature analysis is the fault coverage reduction (aliasing) due to the information loss inherent to any data compaction. In this article, in order to increase the effectiveness of ROM BIST, we take advantage from the simplicity of the error patterns generated by ROMs and we show that aliasing free signature analysis can be achieved in ROM BIST.This work was performed when the author was on leave from Minsk Radio Engineering Institute, Computer Department, Belorus. 相似文献
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基于FPGA的直接型FIR滤波器实现 总被引:1,自引:0,他引:1
FIR滤波器在数字通信系统中被大量使用,对其进行研究具有重要的意义。先对3种基本结构的FIR滤波器进行研究,说明直接型FIR滤波器使用的存储单元最少。接着给出了直接型FIR滤波器的实现原理框图,并分别对ROM单元和MAC单元模块所采用的实现方法占用存储单元和时钟频率进行具体比较,得出较优的直接型FIR滤波器的FPGA实现方案和框图。最后通过仿真验证了各模块的功能。此实现方案具有比较高的设计效率和推广应用价值。 相似文献
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微程序控制是X86结构的一个显著特点,深入剖析了X86结构中微程序部件的结构形式,对微程序ROM的结构组织、具体电路的实现形式等问题进行了较为详尽的阐述。 相似文献
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Model reduction techniques such as Proper Generalized Decomposition (PGD) are decision-making tools that are about to revolutionize many domains. Unfortunately, their computation is still problematic for problems involving many parameters, for which one has to face the “curse of dimensionality”. An answer to this challenge is given in solid mechanics by the so-called “parameter-multiscale PGD”, which is based on Saint-Venant's principle. In this article, a model problem composed of up to a thousand parameters is presented, showing that the method is able to overcome the “curse of dimensionality”. 相似文献
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