The goal of qubit mapping is to map a logical circuit to a physical device by introducing additional gates as few as possible in an acceptable amount of time.We present an effective approach called Tabu Search Based A...The goal of qubit mapping is to map a logical circuit to a physical device by introducing additional gates as few as possible in an acceptable amount of time.We present an effective approach called Tabu Search Based Adjustment(TSA)algorithm to construct the mappings.It consists of two key steps:one is making use of a combined subgraph isomorphism and completion to initialize some candidate mappings,and the other is dynamically modifying the mappings by TSA.Our experiments show that,compared with state-of-the-art methods,TSA can generate mappings with a smaller number of additional gates and have better scalability for large-scale circuits.展开更多
At present, chaotic communications have been widely studied. However, these researches mainly focus on the binary systems while the researches of M-ary chaotic communications are not extensive. To change the situation...At present, chaotic communications have been widely studied. However, these researches mainly focus on the binary systems while the researches of M-ary chaotic communications are not extensive. To change the situation, a chaos M-ary modulation method based on phase plane partition of Hamilton map is proposed. Firstly, the chaotic model of Hamilton map and its phase plane features are described, and then the way of creating the chaos M-ary modulation is discussed. Next, to evaluate the proposed method, the system simulation results and analysis are given. Finally, the chaos M-ary modulation method is applied to communications.展开更多
A starting point of curating bioinformatic resources for the public is marked by the establishment of the US National Center for Biotechnology Information（NCBI）in 1988[1].One of its many purposes is certainly to ech...A starting point of curating bioinformatic resources for the public is marked by the establishment of the US National Center for Biotechnology Information（NCBI）in 1988[1].One of its many purposes is certainly to echo the initiative of the Human Genome Project（HGP）––when two landmark reports were published at the same time：‘‘Mapping and Sequencing the Human Genome’’by the National Research Council[2]and‘‘Mapping Our Genes––The Genome Project：How Big,How Fast？’’by the US Congress[3].展开更多
基金supported by the National Natural Science Foundation of China under Grant Nos.61832015,62072176,12271172 and 11871221the Research Funds of Happiness Flower of East China Normal University under Grant No.2020ECNU-XFZH005+1 种基金the Fundamental Research Funds for the Central Universities of China under Grant No.2021JQRH014Shanghai Trusted Industry Internet Software Collaborative Innovation Center,and the “Digital Silk Road”Shanghai International Joint Lab of Trustworthy Intelligent Software under Grant No.22510750100.
文摘The goal of qubit mapping is to map a logical circuit to a physical device by introducing additional gates as few as possible in an acceptable amount of time.We present an effective approach called Tabu Search Based Adjustment(TSA)algorithm to construct the mappings.It consists of two key steps:one is making use of a combined subgraph isomorphism and completion to initialize some candidate mappings,and the other is dynamically modifying the mappings by TSA.Our experiments show that,compared with state-of-the-art methods,TSA can generate mappings with a smaller number of additional gates and have better scalability for large-scale circuits.
基金supported by the National Natural Science Foundation of China (60772025)the Science Research Fund of Harbin Engineering University (HEUF0507)
文摘At present, chaotic communications have been widely studied. However, these researches mainly focus on the binary systems while the researches of M-ary chaotic communications are not extensive. To change the situation, a chaos M-ary modulation method based on phase plane partition of Hamilton map is proposed. Firstly, the chaotic model of Hamilton map and its phase plane features are described, and then the way of creating the chaos M-ary modulation is discussed. Next, to evaluate the proposed method, the system simulation results and analysis are given. Finally, the chaos M-ary modulation method is applied to communications.
基金supported by the National High-tech R&D Program of China (863 Program Grant Nos: 2012AA020402 and 2012AA02A202)
文摘A starting point of curating bioinformatic resources for the public is marked by the establishment of the US National Center for Biotechnology Information（NCBI）in 1988[1].One of its many purposes is certainly to echo the initiative of the Human Genome Project（HGP）––when two landmark reports were published at the same time：‘‘Mapping and Sequencing the Human Genome’’by the National Research Council[2]and‘‘Mapping Our Genes––The Genome Project：How Big,How Fast？’’by the US Congress[3].
