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《Engineering Journal of Wuhan University》 2007-01
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Using shift registers to realize full sequence generators

KU Shaoping1,ZHOU Zude2,HU Yefa2(1.School of Computer Science and Technology,Wuhan University of Technology,Wuhan 430070,China;2.School of Electromechanical Engineering,Wuhan University of Technology,Wuhan 430070,China)  
A new method is presented to generate sequences to solve the fault that the bits of a period of the sequences generated with pseudorandom sequence generators is less than 2n.The principle of pseudorandom sequence generators is analyzed;and the source why the length of a period of the sequences generated with pseudorandom sequence generators is less than 2n is that only exclusive-or operation is used to get the feedback signal.In the proposed way for generating full sequences a combinational logic circuit derived by the generated sequence is used to get the feedback signal,which can makes the length of a period of the sequences equal to 2n.The definition of full sequence generators is given.A series of characters of full sequence generators are presented and proved.The way is also given about how to test whether a sequence is generative.It is specified whether a sequence is generative is only decided by the sequence itself.The proposed method has been applied to the test of a digital system.
【Fund】: 国家自然科学基金资助项目(编号:50375113)
【CateGory Index】: TN792
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