Hengjun Zhu

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Single-track Gray codes are cyclic Gray codes with an extra property that every column of all the codewords is a cyclic shift of the first column. A subclass of single-track Gray codes with non-k-spaced heads is introduced, which does not exist for the length that is lower than 6 and can not be obtained by any transformation from the known k-spaced codes. A(More)
This paper proposed a design and implementation for CDMA spread spectrum communication synchronous system based on the MAX7000 device. The system is developed in the development environment of Quartus II with the complex programmable logic devices and hardware description languages. The simulation results showed that the verification of synchronous(More)
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