نتایج جستجو برای: quality performance
تعداد نتایج: 1710016 فیلتر نتایج به سال:
Responsiveness and scalability are important quality-of-service attributes for Web applications. Web sites that are slow, either because of poor responsiveness or lack of scalability, can produce customer dissatisfaction, loss of revenue and/or productivity, and potentially more serious consequences. To avoid these problems, it is important to know whether users will be able to access informati...
Measuring and monitoring of power quality of supplied electric energy are important links in electro-distribution chain. Modern systems used for this purpose are complex. Goal of this paper is to present a new approach to the measurements of power quality, which can achieve equal or better performances using less complicated hardware. In this paper, we have presented the method of measuring ove...
Development and Evaluation of QoS Measurement System for Internet Applications by Client Observation
Various applications provide convenient services in the Internet. As these applications are widely used, it is important that the quality of these services (QoS), such as the response time and throughput, be high. Several ways to measure network performance have been developed. However, QoS management is still difficult because of the lack of effective tools to evaluate network system usability...
Audit has become prevalent throughout UK Universities and in associated institutions such as funding bodies and national government. There is pressure from funding bodies for Universities to be seen as audited, for Universities to be accountable and held to account, and messages from central government about the need for greater transparency of processes and greater responsibility for action. T...
The general requirements of an image fusion process are that it should preserve all valid and useful pattern information from the source images, while at the same time not introducing artifacts that could interfere with subsequent analysis. However it is not possible to combine images without introducing some form of distortion. As the image fusion technologies have been developing quickly in a...
The explosive growth of the Internet and the intranets attracted a great deal of attention to the implementations and performances of networked multimedia services, which involve the transport of real-time multimedia streams over non-guaranteed quality of service (QoS) networks. In this paper, we discuss some issues related to the transport of MPEG-2 streams over such networks by means of the m...
The principles of quality management, according to ISO 9000:2000 represent overall decision for managing and conduct of organization with the aim of constant improvement of perfomances and focus on the demands of buyers and other interested parties. The methods and system tools of quality management are used in the work concerning research of quality characteristicsof the product and factors th...
Automotive exhaust systems give a major contribution to the sound quality of a vehicle and must be properly designed in order to produce acceptable acoustic performances. Obviously, noise attenuation is strictly related to the internal gas-dynamic field that, on the other hand, needs to be optimised also in terms of pressure losses. In this work, the noise attenuation characteristics of a perfo...
As part of the Copernicus programme of the European Union (EU), the European Space Agency (ESA) has developed and is currently operating the Sentinel-2 mission that is acquiring high spatial resolution optical imagery. This paper provides a description of the calibration activities and the current status of the mission products validation activities. Measured performances, from the validation a...
Introduction: Nurses are one of the main pillars of health organizations that spend a significant part of their lives in close contact with patients and their job performance has a major impact on patient satisfaction and health. Aim: The purpose of this study was to investigate the role of sleep quality, morningness-eveningness personality and sensory processing sensitivity in predicting nurse...
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