نتایج جستجو برای: error performance
تعداد نتایج: 1244248 فیلتر نتایج به سال:
Over the years, since the beginning of the national and infrastructural project of Development and Renovation of Paddy Fields of Iranian Northern provinces, it has been essential to evaluate water distribution and delivery Performance of the project to get its feedback in the pursuit of the desired goals. However, the results of the evaluation of a system can reliable when they are based on qua...
in this work the performance of a wavelength division multiple access (wdma) system with direct detection receiver is investigated. for this purpose, the probability of error in a wdma network with ook modulation considering crosstalk, isi, photo detector noise and thermal noise is calculated and the effect of each on system performance is investigated. the system performance in presence of pin...
time reversal (tir) technique is an effective and simple method for data transmission in extremely multipath indoor uwb channels that mitigates the complexity of receiver by its own time focusing feature. although, tir method has the suitable performance, but it is sensitive to the non-ideal channel estimation error. in this paper at first, the bit error probability of tir-uwb communication sys...
background and objectives: hbv dna monitoring is important in management of chronic viral hepatitis b infection. hbv dna measurements are carried out over period of months to years. so the analytical system must be stable and reproducible. the aim of this study was to determine the performance characteristics and to plan a statistical quality control system of a laboratory-developed real-time q...
Background: Nowadays, Medical error as a major challenge has been attention of health authorities and community. The main purpose of this study was survey of medical errors in Shiraz public hospitals. Materials & Methods: This study was a survey which conducted as analytical in 2013. Study population was Shiraz public hospitals which 10 hospitals were examined. Standard checklist was used for ...
بررسی تاثیر سر و صدا بر میزان خطا و سرعت انجام کار با استفاده از آزمون ارگونومیکی هماهنگی بین دو دست
Background and aims : The most important factors that influence human performance are accuracy, speed and ability to perform the skills by individuals. Given the importance of human productivity in improving the production and quality, This study examines the impact of noise on error rate, speed and ability to perform the manual skills. Methods : This experimental study was conducted on 96 ...
nearly two decades, organizational failures are considered as an effective source of promoting organizational learning. error management culture in the organization is established as a mechanism to facilitate organizational learning from errors that improves long-term and sustainable innovation and organizational performance. the main objective of this study is to investigate the relation betwe...
The purpose of this article is to present a new procedure for industrial process diagnosis. This method is based on bayesian classifiers. A feature selection is done before the classification between the different faults of a process. The feature selection is based on a new result about mutual information that we demonstrate. The performances of this method are evaluated on the data of a benchm...
The objective of this contribution is to study the performances in terms of bit error rate, of space-time code algorithms applied to MIMO communication in tunnels. Indeed, the channel characteristics in a tunnel are quite different than those of urban or indoor environment, due to the guiding effect of the tunnel. Therefore, MIMO channel matrices have been measured in a straight tunnel, in a fr...
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