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  • Residue number system  (1)
  • environmental systems analysis  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Neural computing & applications 3 (1995), S. 149-156 
    ISSN: 1433-3058
    Keywords: Mixed-radix conversion ; Neural network ; Parallel processing ; Residue number system ; Systolic array
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mathematics
    Notes: Abstract In this work we propose two techniques for improving VLSI implementations for artificial neural networks (ANNs). By making use of two kinds of processing elements (PEs), one dedicated to the basic operations (addition and multiplication) and another to evaluate the activation function, the total time and cost for the VLSI array implementation of ANNs can be decreased by a factor of two compared with previous work. Taking the advantage of residue number system, the efficiency of each PE can be further increased. Two RNS- based array processor designs are proposed. The first is built by look-up tables, and the second is constructed by binary adders accomplished by the mixed- radix conversion (MRC), such that the hardwares are simple and high speed operations are obtained. The proposed techniques are general enough to be extended to cover other forms of loading and learning algorithms.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Environmental monitoring and assessment 57 (1999), S. 121-148 
    ISSN: 1573-2959
    Keywords: air quality ; monitoring network ; environmental systems analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract An air quality monitoring network (AQMN) usually performs the basic function of assessment of regional air quality and demonstration of compliance with ambient air quality standards in an urban area. Different pollutants, however, may present different characteristic variabilities due to their specific emission patterns, rates of diffusion, and transport and transformation behaviors. But the costs of siting in a pollutant-specific monitoring network would be higher than that for a common network with respect to several pollutants monitored simultaneously. This paper presents a survey of multi-pollutant design principles and optimal searches for siting patterns of an AQMN using both simulation and optimization models as a combined tool. While conservative, quasi-stable, and reactive pollutants are considered in the design principles, cost, coverage effectiveness, and spatial correlation characteristics are included in the multi-criteria decision making process. For illustrative purpose, a series of technical settings and two types of objectives were examined in the case study for the city of Kaohsiung in Taiwan.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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