通过构建国家知识竞争力评价指标体系,运用竞赛图方法对2000-2006年中、美、日、德、法、英、意、韩等8个国家的知识竞争力进行评价,并对8个国家的知识竞争力格局的演变进行
This article addresses the design problem of selecting an appropriate relay in amplify-and-forward (AF) cooperative diversity systems. In this regard, this arti
A term structure model bearing features of stochastic volatility and stochastic mean drift with jump (SVJ-SD model for short) is built in the paper to describe
Application of embedded systems is faced with multiple threats against security. To solve this problem, this article proposes a new program memory encryption me
在全球化背景下,浦东的战略地位不断加深,面临二次跨越发展。浦东南汇合并、新区域交通走廊形成、大项目落地为浦东提供了更广阔的发展空间,浦东需要优化调整城市空间结构以适应新的需求。在此基础上提出浦东的空间发展战略思考,通过延续浦东现有发展格局,预控大浦东的中部地区为策略发展地区,整合提升中部南北产业发展轴,形成"双核四轴五片"的空间发展结构,支撑浦东整体协调发展。
By taking moderate-strong earthquakes in South,North and West China as the research subjects and taking into consideration the fault strikes in these regions,th
The Relict Gull (Larus relictus) is recognized as a vulnerable species,with a worldwide population of about 6,000 individuals.Always inhabiting the extreme arid
The IEEE 802.15.4 is one of the low-layer communication standards for personal area networks (PANs) and wireless sensor networks (WSNs), which may be interfered