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With the development of global navigation satellite system (GNSS) remote sensing, radio occultation (RO) has become an important atmospheric observation technique that mainly be used for numerical weather prediction (NWP) and global climate monitoring (GCM). However, residual ionopheric error (RIE) can still be significant after an ionospheric error elimination by linear combination of dual-frequency...
In this paper, the trailing suction hopper dredger dredging production is used to be an optimization objective. By analyzing the impacts of dredging operation behaviors and system uptime factors, an artificial neural network algorithm for parameter optimization of dredging operations is proposed. Based on the field construction parameters of the trailing suction hopper dredger, the method integrates...
With the development of information technology, the demand for video transmission in wireless networks rapidly increases. The traditional traffic shaping algorithms cannot fully (or adequately) meet the demand for high-quality video transmission in wireless networks. Aiming to reduce this problem, this paper proposes a new multi-service flow, token bucket shaping scheme in an IEEE 802.11e environment...
The development of embedded simulation system is different from that of general simulation system. Several problems are studied for guiding the development of embedded simulation system. The concept of embedded simulation system is defined. Simulation system is first introduced into the embedded simulation field as the embedded system. An embedded simulation Interoperability Technical Reference Model...
The knowledge-based simulation experiment data integrative analysis tool that utilizes the knowledge model of sample data extraction and the database of analysis project is designed to implement the integrative analysis operation including simulation experiment data import, sample data extraction, data analysis, simulation system characters appraisement and the generation of analysis results report...
Data creditability plays a very important role in the complex system simulation creditability. From the point of how to evaluate and improve the complex system simulation data creditability, the concept of the data quality modeling is advanced and the three-dimension data quality modeling space is founded. Based on which, a multiple attributes decision making theory based data creditability evaluating...
Innovation ability is a measure of an important indicator for the national high-tech zone. In this paper, the evaluation index system of innovation was established,12 typical samples were selected in 56 national high-tech zones used data envelopment analysis. Based on the creative efficiency evaluation system, innovation ability is analyzed and evaluated by C2R model. Using results of the analysis...
In order to meet the practical need of a number of scientific researchers during the task of simulation modeling and to overcome some shortcomings of the existing simulation modeling tools, this paper presents a new simulation platform KD-VisualSimIDE. It is emphasized on the whole structure of this platform, especially the design and implementation of the model editor which is an important part of...
Variable message signs (VMS) plays an important role in route guidance of drivers and release of traffic congestion. Response to VMS of drivers is acquired in stated preference (SP) investigation. Traffic demand is estimated and analyzed by Gravity and route choice models. Effects of VMS on route choice and traffic delay are simulated through VISSIM software in the case study of Beijing.
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