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MIL-STD-1553 has served as the workhorse networking standard of military system integrators and aerospace avionics platforms for over 30 years. With the increasing demand for network bandwidth, high-speed-1553 is developed for some subsystems operate at hundreds of Mbps data rates with co-existing with legacy 1 Mbps systems on the same physical data buses. At any given time, there is one BC and up...
This paper presents a geo-statistical method to study the spatial relationship between landslides and their inner-factors on the regional scale in order to predict the regional susceptibility of landslides. The approach is based on digital databases, along with such methods as statistics, spatial analysis based on Geographic Information System, and interactive mapping. The prediction map of study...
Based on the enterprise data of year 2000-2007 in Xi'an software industry cluster from the State Intellectual Property Protection Center, this study derived one-mode network from the cluster's affiliation network and analyzed the dynamic characteristics of the enterprise ego-centered network and the whole network by the index description, the cluster analysis and the optimal matching. Several conclusions...
Landslides, which develop in the Three Gorges Reservoir area, are caused by many factors. Gradient is one of the indispensable internal factors, besides lithology, relative height difference and slope profile. This paper studies how gradient affects regional landslide from Yunyang to Wushan segment in the Three Gorges Reservoir Area, and also focuses on quantifying the effect of gradient on landslides...
A stored procedure is a set of SQL commands that has been compiled and stored on the database server. It is database object which often used in database management system and has characteristics of modularity, high efficiency, secure for access, reducing network traffic and CPU load. This paper analyzes the design of the common stored procedures and introduces a specific application of stored procedures...
Service-oriented computing, cloud computing, and web services composition mark cornerstones of a paradigm shift in software systems engineering. The general new idea is to use as much as possible services that are made available by others, mostly disseminated via the web. In this paper, we present an abstract model for clouds as federations of services together with a specification of semantics and...
In this paper, an agricultural SMS (Short Message Service) management system is constructed based on a platform of GSM modem to send and receive short messages. The platform will create tables in database that store short messages and provide interface for agricultural short message management system. Users can send request of query to the platform in short message through mobile phone. The system...
In existed rural communication conditions, voice service system would solve the problem which the rural users cannot obtain useful and real-time information. This paper gives a design of rural voice service system, and discusses the system structure and layer division. This system realizes functions of self-organization inquiry process and real-time conversion from text to speech by means of navigating...
The present algorithms for artificial neural network, to a certain extent, have various questions such as computational complexity, low accuracy and narrow scope of application. This paper presents a new algorithm for extracting accurate and comprehensible rules from databases via trained artificial neural network using genetic algorithm. The new algorithm does not depend on the ANN training algorithms;...
On the basis of the research of the traditional B/S application structure, this paper introduces a design of an on-line Monitoring System for key pollution Sources with the asynchronous transmission mechanism of Ajax B/S structure. The use of the system is able to improve interactivity and performance of real-time.
This paper introduces geography information system (GIS) into intelligent decision support system (IDSS) and proposes a 4 database and 1 machine frame model. On this basis we design the target assignment intelligent decision support system (TAIDSS), realize the close combination of IDSS, GIS and decision-making model, then we propose an intelligent target assignment decision model which contains knowledge...
In the course of updating the GIS database of land use data, the multi-source data always canpsilat match well. In order to update the GIS database of land use data more effectively, scientifically, reasonably and esthetically, based on the GIS data updating quomodo and the practical requirement of land use data updating, a data fusion algorithm of GPS/GIS is presented in the paper. By establishing...
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