منابع مشابه
An Orthogonal Framework for Improving Life Cycle Affordability
Many approaches to improving system affordability focus on one or two strategies (e,g., automation, outsourcing, repurposing, reuse, process maturity), and miss the opportunity for further improvements. Often, they focus on one phase (e.g., acquisition) at the expense of other factors that increase total ownership cost (TOC). Based on several related research projects, we have developed, applie...
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In cellular communications there are two primary communication links between the cell’s central basestation and the users, the uplink (or reverse link) and the downlink (or forward link). The former refers to the flow of information from the users to the basestation, and is a problem which has been and is still today the subject of much debate. The downlink, however, receives less attention, si...
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Space-time coding and multiple-input, multipleoutput wireless system promise to deliver higher data rates with higher reliability than traditional systems, with no increase on transmit power or bandwidth. In this expository paper, we present multiple-antenna systems and their ability to increase the number of dimensions that may be transmitted per channel use. We present two space-time codes, o...
متن کاملImproving Investor Communications and Analysis via Standardization
Over time, a market dialog of taxonomy extension best practices will improve constituent communication and investor analysis and comparability assessments. A stated goal/objective typically associated with the adoption of the Extensible Business Reporting Language (XBRL 1 ) is the enhancement of information quality, specifically comparability. Terms often cited include 'Standard', 'Standardizat...
متن کاملmodification of nanoclay for improving the physico-mechanical properties of dental adhesives
هدف اصلی این مطالعه تهیه یک سامانه نوین چسب عاجی دندانی بر پایه نانورس پیوند شده با پلی متاکریلیک اسید، نانورس پیوند شده با پلی اکریلیک اسید، مخلوط نانوسیلیکا و نانورس پیوند شده با پلی متاکریلیک اسید، مخلوط نانوسیلیکا و نانورس پیوند شده با پلی اکریلیک اسید و نانورس پیوند شده با کیتوسان اصلاح شده با گلایسیدیل متاکریلات است. پیوند پلی متاکریلیک اسید و پلی اکریلیک اسید بر ری سطح نانورس در حضور و ...
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ژورنال
عنوان ژورنال: Journal of Telecommunications and the Digital Economy
سال: 2019
ISSN: 2203-1693
DOI: 10.18080/jtde.v1n1.220