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符合MIL-STD-188-125中PCI测试要求的HEMP滤波器研制
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作者 paul currie 《安全与电磁兼容》 2019年第5期103-106,共4页
基于标准MIL-STD-188-125对HEMP滤波器的指标要求,MPE公司通过建立防护元器件库、电路搭建、软件仿真、产品开发测试到定型试验,严格按照标准要求设计出多种规格的HEMP滤波器,最终定型产品满足MIL-STD-188-125要求。
关键词 美军标MIL-STD-188-125 电路仿真 测试 HEMP滤波器
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Towards Urban Resource Flow Estimates in Data Scarce Environments: The Case of African Cities
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作者 paul currie Ethan Lay-Sleeper +2 位作者 John E. Fernández Jenny Kim Josephine Kaviti Musango 《Journal of Environmental Protection》 2015年第9期1066-1083,共18页
Data sourcing challenges in African nations have led many African urban infrastructure developments to be implemented with minimal scientific backing to support their success. In some cases this may directly impact a ... Data sourcing challenges in African nations have led many African urban infrastructure developments to be implemented with minimal scientific backing to support their success. In some cases this may directly impact a city’s ability to reach service delivery, economic growth and human development goals, let alone the city’s ability to protect ecosystem services upon which it relies. As an attempt to fill this gap, this paper describes an exploratory process used to determine city-level demographic, economic and resource flow data for African nations. The approach makes use of scaling and clustering techniques to form acceptable and utilizable representations of selected African cities. Variables that may serve as the strongest predictors for resource consumption intensity in African nations and cities were explored, in particular, the aspects of the Koppen Climate Zones, estimates of average urban income and GDP, and the influence of urban primacy. It is expected that the approach examined will provide a step towards estimating and understanding African cities and their resource profiles. 展开更多
关键词 URBAN Metabolism Resource FLOWS AFRICAN CITIES DATA Scaling City Clustering
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