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Orthogonal frequency division multiplexing (OFDM) is a method that can combat multi-paths, fully use the frequency band, has high data rate and has a promising future in UWA communication. While longer the transmission range, worse the underwater conditions with multi-paths and Doppler offset, which needs to design the system parameters and take practical methods to improve the system. In this paper,...
Social demand information is very important for college education development, and also be the important guidance of college education. How to obtain all kinds of information and further find its potential link are the college information systems major issues resolved. This paper applies data mining technique to college education, process the college data collected by SPSS crosstab and correlation...
In our country, application of e-government based on the homemade platform is seldom, government support homemade platform application positively all along, But the current problem is that the homemade software and hardware is not mature, they are not compatible each other, this paper passed through combines, test, optimization repeatedly, finally has formed an e-government application platform based...
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