This paper is concerned with the sensor nodes’ hardware design of the wireless sensor network.We focus on the electromagnetic compatibility design of the printed circuit board.In this paper,we will give a schematic d...This paper is concerned with the sensor nodes’ hardware design of the wireless sensor network.We focus on the electromagnetic compatibility design of the printed circuit board.In this paper,we will give a schematic diagram first,and then,according to the layout,wiring rules and the knowledge of electromagnetic compatibility, we will present the design of the printed circuit board which has a good characteristic of electromagnetic compatibility.展开更多
Customs clearance is becoming more convenient for Chinese importers and exporters since Customs Paperless Reform,or e-clearance,is getting increasingly popular with them,according to PwC’s annual survey on managing c...Customs clearance is becoming more convenient for Chinese importers and exporters since Customs Paperless Reform,or e-clearance,is getting increasingly popular with them,according to PwC’s annual survey on managing customs and international trade in China.The survey,based on 400 companies registered in China in the first quarter of 2014,showed that 82%展开更多
基金supported by the National Nature Science Foundation of China(60804034)Nature Science Foundation of Shandong Province(Y2007G34)the second author is also supported by the "Taishan Scholarship" Construction Engineering
文摘This paper is concerned with the sensor nodes’ hardware design of the wireless sensor network.We focus on the electromagnetic compatibility design of the printed circuit board.In this paper,we will give a schematic diagram first,and then,according to the layout,wiring rules and the knowledge of electromagnetic compatibility, we will present the design of the printed circuit board which has a good characteristic of electromagnetic compatibility.
文摘Customs clearance is becoming more convenient for Chinese importers and exporters since Customs Paperless Reform,or e-clearance,is getting increasingly popular with them,according to PwC’s annual survey on managing customs and international trade in China.The survey,based on 400 companies registered in China in the first quarter of 2014,showed that 82%
