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The fault rate of offshore wind turbines is so high that it is necessary to build a reliable condition monitoring system to improve the maintenance efficiency. To adapt to the harsh operating environment of offshore wind turbine, the condition monitoring system should have good self-healing ability. In this paper, the condition monitoring system of offshore wind turbine is built based on wireless...
The winter in 2009 to the spring in 2010 is hundred years encounter drought period of Yunnan Province. MODIS remote sensing data was used in 2010 and 2012 to compare the four methods which one is suitable in Yunnan Province. Then monitoring drought situation in Yunnan Province by four methods: Vegetation Condition Index (VCI), The Temperature Vegetation Index (TVDI), Cloud Parameters Method, and the...
State Grid Corporation has further strengthened the standardization of the safe grid operation and the building of grid asset quality supervision and management system(GAQS MS) with the proposition of “Twelfth Five Year Plan” and “three sets of five”. The GAQS MS realizes the whole-course supervision and management of planning, designing, construction, production and other aspects of the grid. Among...
To evaluate the technology input-output is of great realistic meaning to the reasonable usage of the resources and the improvement of the capital using efficiency. According to our country's science and technics statistics system, based on the principle of scientificalness, comparability and feasibility, this passage structures the technology input-output evaluation index system. Also by using the...
Terra/MODIS has spectral and spatial resolution advantage over NOAA/AVHRR. To probe into using MODIS near-infrared spectrum further, winter wheat yield estimation was taken as example in Hebei Province, China. Firstly, according to winter wheat biological characteristic, three MODIS near-infrared spectrum data were retrieved in heading stage, which central wavelength is 860 nm, 1240 nm and 1640 nm...
Distributed coding is a new paradigm for compressing correlated distributed sources, based on Slepian-Wolf and Wyner-Ziv theorem. This scheme is appropriate for wireless sensor network and distributed video coding. In this paper, we address the problem of coding two Gaussian correlated non-binary sources with one of which is only available at the decoder using the non-binary low-density parity-check...
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