Xin-li Wang

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For some insect groups, wing outline is an important character for species identification. We have constructed a program as the integral part of an automated system to identify insects based on wing outlines (DAIIS). This program includes two main functions: (1) outline digitization and Elliptic Fourier transformation and (2) classifier model training by(More)
In order to simulate mutual effects between crankshaft and base, connecting rod and crankpin, the FEA software is applied to crankshaft's structural analysis. Based on the crankshaft model and reasonable contact set, the crankshaft is analyzed successfully. Results show that the way can be better applied for the engineering practice as a new thought for the(More)
Primary product logistics shares the challenges of other logistical problems, but also possesses many unique features which preclude the application of usual methods of the logistics of primary products. In particular, it is not possible to accurately forecast demand. To overcome the limitations of single logistics demand forecasting techniques and the(More)
In order to evaluating performance of listed companies comprehensively, this paper analyzes multi-index based on projection pursuit¿and optimize the weight of financial indicators by Using RAGA (Real coding based on Accelerating Genetic Algorithm). This method succeeded in dynamic weighing, makes full use of data, obtains more reasonable and scientific(More)
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