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Individualizing a neurorehabilitation training protocol requires understanding the performance of subjects with various capabilities under different task settings. We use multivariate regression to evaluate the performance of subjects with stroke-induced hemiparesis in trajectory tracking tasks using a force-reflecting joystick. A nonlinear effect was consistently shown in both dimensions of force...
With the advancing of Internet and technology, virtual communities (VCs) have developed rapidly in China. User's willingness to participate becomes the key point for maintenance and development of VCs. Base on the viewpoint that VCs have the dual nature of technology and society, this paper uses structural equation model to carry out empirical study on factors influencing user's willingness for participating...
With spatial regression analysis, the cause of the hemorrhagic fever with renal syndrome (HFRS) is detected in China in 2008. The results showed that: the incidence of HFRS is influenced by six factors: latitude, longitude of regional centers, the proportion of settlement place, the proportion of grassland, average elevation, and the average precipitation in October and November. Among these factors,...
An approach for simulating large scale water surface, which is based on the Fourier synthesis method, is introduced in this paper. The Fourier synthesis method utilizes FFT model, which is described in detail, to calculate the height field of a patch of water surface that can be tiled seamlessly over a larger domain. The flow chart of FFT model implementation on computer is also given. In order to...
An algorithm is presented for direct acquiring PRN code based on sub-sampling, utilizing the auto correlation characteristic of the long period PRN code in DSSS (direct sequence spread spectrum) system. As decreasing signal-to-noise, the performance of algorithm is analyzed, and it is proved effectively by simulation, under sub-sampling.
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