sead
- abbr.Safeguards Engineering and Analysis Database 核保障监督工程和分析数据库;Seattle Air Defense Sector 西雅图空防站
![sead](../cache/701288.jpg)
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Analysis and Improvement of Hash Chain Mechanism of Sead Protocol
Sead协议哈希链机制的分析与改进
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Research on the Characteristics of Geometry Structure about Semiconductor Sead Salt PbTe ( 001 ) Surface
半导体碲化铅PbTe(001)表面几何结构特性的分析
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In the future war , the main missions of UCAV system are SEAD , deep strike and " air occupancy " .
在未来战争中,无人战斗机系统的主要作战使命是空防压制、纵深打击和“空中占领”。
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He positions the SEAD assets ( suppression of enemy air defense ), the electronic warfare assets , and the air-to-air assets .
他分配压制敌人防空火力的已方资源,电子战资源,以及空对空资源。
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This plant has a long period of sead dormancy and its seeds require an over 170 days treatment at alow temperature to germinate .
榆中贝母种子休眠时间长,需要经过170d以上的低温处理,种子才能萌发。
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To describe these two units , a Service elements-Activity-Dependency structure Matrix ( SeAD Matrix ) was designed to modeling business process based on quality function deployment ( QFD ) and design structure matrix ( DSM ) .
为了描述流程的可配置性和活动间耦合关系,本文以质量功能展开和设计结构矩阵为基础构建了新的服务元素-活动-依赖结构矩阵(SeAD矩阵)流程模型。
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The simulation results under the SEAD scenario show that the hybrid genetic algorithm resolves the UCAV mission assigning effectively , and has better efficiency and higher chromosome satisfying constraints probabilities than the standard genetic algorithm .
以UCAV的SEAD任务为想定进行仿真,实验结果表明,该混合遗传算法可有效解决大规模整数规划问题,在求解效率和约束满足率上比标准遗传算法有显著提高。
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Simulation shows that when the number of data sinks is large , frequency-divided data dissemination outperformed previous best data dissemination scheme SEAD about 15 % in weighted path length . Then energy consumption of data dissemination is reduced and system lifetime is prolonged .
实验表明,在数据接收者较多的情况下,分频数据分发协议比现有最好的数据分发协议SEAD的加权路径长度要短15%左右,从而有效节省了分发数据的能量消耗,延长了系统生命期。