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In this paper, in order to solve the problem of intelligent test paper, the author puts forward the improvement on chromosome coding, mutation algorithm and genetic operators of genetic algorithm after the study of genetic algorithm in theory and then proposes a multi-objective function optimization algorithm. By experimental simulation, it is concluded that, compared with the ordinary genetic algorithm,...
In order to achieve the integration interactive of heterogeneous data in the safety production management used by coal-mining enterprises, effectively improve the enterprise's mining safety and management. Through analyzing the heterogeneous data in mining safety and management, on the basis of XML based business model of heterogeneous data integration, formed coal-mining safety management in heterogeneous...
Based on the mechanism of gas absorption to light varying with concentration and the analysis of the infrared absorption spectrum of methane, the mathematical model of gas concentration harmonic measurement is built up and a measurement system was developed. This system, consisting of an illumination source LD in 1654 nm waveband, and a PbS preamplified photodetector with wavelength response range...
Based on the analysis of the heterogeneous data environment, the system integration platform is built to resolve the heterogeneous data sharing and mutual visit in view of the status quo of the heterogeneous data and integration demand in the coal enterprise. The system chooses the integration project based on the middleware, constructs the heterogeneous data integration frame based on the XML, gives...
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