Electronic warfare is a major form of modern warfare, while radar countermeasure plays an important part in the field of electronic warfare. We can prevent the radar from finding and tracking our goals by detecting and interfering the hostile radar, finally the normal operation of the radar is impeded and the radar’s performance is reduced.
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Wireless sensor networks (WSNs) are prone to partitioning due to limited energy in sensor nodes and unreliable radio communications between them. Message ferrying (MF) schema has been proposed as an effective means to deliver data between separated parts of a partitioned WSN.This dissertation proposes a tree-based routing algorithm for connected networks, in which minimum-weight trees
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Three-dimensional pipeline path planning problem is in the restricted environment, according to a certain evaluation criteria (such as the shortest path length, the least bend, etc), planning a optimal (or better) path from the starting position to the finishing position. It has a wide range of applications such as in the building pipeline, oil pipeline,
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Ant Colony Algorithm is a novel swarm intelligent algorithm by studying the behavior of natural ants looking for food,Its main characteristics are positive feedback,parallelism and being easy to combine with other algorithms.It attracts close attention of the scholars at home and abroad from its coming and was rapidly applied to solve many combinatorial optimization problems
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Integrating storage, transport, dispensing, management automated storage and retrieval system(AS/RS) is an important part in the modern factory logistics.which has manage benefit, such as great capability, small acreage, simple operation.It can increase the storage efficiency and reduce the used space. With the development of modem industry manufacture, the requirement to AS/RS becomes higher.Based on one
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With the development of communication,The enormous impact of 3G technology as the core of modern technology have penetrated into all fields of living. Design of physical layer in TD-SCDMA system, has become a basic direction of development in the New Period. Stimulation technology and information research environment will bring opportunities to reform of the TD-SCDMA;they
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With the improvement of informationization, there is full of massive amount of data which may contain redundant data and noise in practical application. Eliminating these redundancy and noise can greatly improve the data processing ability. As an excellent data analysis tool to handle imprecise, inconsistent and incomplete data, Rough Set Theory(RST) which presented by Pawlak
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There are several sorts of radios in Electric Information System(EIS) and the number of radios is large.Furthermore,parameters of radios have to be adjusted under the warefield situation.Therefore,the Electromagnetic Environment(EME) becomes very complicated.Thus,the Frequency Assignment Algorithm(FAA) must be rapid and robust.In this field,several countries already have good harvests while China has not done enough study.This dissertation
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Ribonucleic acid(RNA) is one kind of nucleic acids, which is one of the three most important macromolecular compounds. In the late 1970s, the research on RNA had accumulated many new discoveries. The finding of regulation RNA, the completion of Human Genome Program and the rise of post genome research make the research on RNA reach
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