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With the rapid development of modern communication technology, the communication network environment becomes more and more complex. Aiming to meet the requirement of identifying the wireless signal, which is located in the same frequency band of WCDMA defining as an intelligent monitoring method based on spectral correlation has been identified effectively. Firstly, the power spectrum of the frequency...
On account of the resource-based theory, 88 new ventures have been sampled for the empirical research, the three relations of the government intervention, resource acquisition and new venture performance are tested, thus draws a conclusion: (1) the influence of the government intervention on the new venture performance is not significant; (2) the new venture's resource acquisition and its performance...
To overcome the deficiency of traditional traffic accident estimation models, this paper introduced a new way. It gave two categories on traffic accident affected factors and selected the main ones, using stepwise regression model. ARIMAX model, a dynamic regression one, was used to forecast traffic accident volumes. The former job ensures the precision of estimation, while the latter one owns both...
Given the churning masses of congestions in most cities, a better understanding of the relationship between car use and urban characteristics in China is essential to traffic planning. Based on the travel data collected in 40 cities in China, this paper empirically explores how urban characteristics (city economy, urban density, urban size and urban form) affect the car use such as the car travel...
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