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Big data technology refers to the rapid acquisition of valuable information from various types of large amounts of data. It can be divided into 8 technologies: data acquisition, data access, infrastructure, data processing, statistical analysis, data mining, model prediction and results presentation. The paper presents improved statistical analysis method based on big data technology. A statistical...
We present AI2, an analyst-in-the-loop security system where Analyst Intuition (AI) is put together with state-of-the-art machine learning to build a complete end-to-end Artificially Intelligent solution (AI). The system presents four key features: a big data behavioral analytics platform, an outlier detection system, a mechanism to obtain feedback from security analysts, and a supervised learning...
The research on the coordinated control system of ultra-supercritical coal-fired (USC) power unit is usually based on a kind of mathematical model, which is used to test the correctness of the design concept and the effectiveness of the control strategy. If the mathematical model cannot reflect the intrinsic nature of the controlled object, the simulation results are difficult to explain that the...
Extended interaction oscillator (EIO) is a promising terahertz (THz) power source, which has many potential important applications, such as military radar, medical imaging and material science research, and so on. To improve the operation performances of the THz EIO, a novel type of two-section folded waveguide (TSFW) slow wave structure (SWS) is proposed in this paper. The dispersion characteristics...
The special absorb rate (SAR) calculation in a layered prolate head model exposed a wire model handset antenna model is investigated using null field method (NFM). NFM is used to solve the scattering problem from the layered prolate head model, and analytical technique is use to obtained current distribution on the thin wire handset antenna. The coupling between the head model and handset antenna...
Electric vehicles must extremely improve its electric drive system efficiency and effectively use its limited energy. In this paper, a structure diagram of the induction motor in synchronously rotating frame of reference including iron loss is given at first, the losses of induction motor in operation is discussed and an efficiency optimization control strategy of induction motor driving system based...
Although General circulation models (GCMs) simulate climate change at large spatial scales very well, they perform poorly at the smaller space relevant to regional impact analyses. So-called `downscaling' techniques have subsequently emerged as a means of translating information from coarse to fine resolution. This article reviews the most popular downscaling tool named statistics downscaling methods...
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