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Evaluation of Measurement Uncertainty in Radio Testing and Application Example Analysis

Author: LuTian
Tutor: MengLiMin
School: Zhejiang University of Technology
Course: Electronics and Communication Engineering
Keywords: Measurement Uncertainty Radio detection Evaluation of measurement uncertainty
CLC: TG806
Type: Master's thesis
Year: 2009
Downloads: 22
Quote: 0
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Abstract


The uncertainty of measurement is an indicator to measure the accuracy of the measurement results characterizing the dispersion of the measured values ??. The measurement uncertainty is the estimate of the true value of the measurement results and infer , is the characterization of the probability distribution of the measured values ??with the measurement of the true value associated parameters . For traditional and existing metering industry , the application of measurement uncertainty for many years . To test certificates issued by radio measurement , calibration certificate , test reports , and other documents with the international standards, the need for a specialized scientific assessment of the measurement uncertainty . Therefore, the uncertainty in the the radio detection results in a the indispensable technical parameters , related work will also be very important . Start from the basic principles of uncertainty related to the concept of the general sense of uncertainty and uncertainty assessment methods . For most radio testing laboratory method of assessing measurement uncertainty is still relatively vague, the Expression of Uncertainty in the measurement results are not standardized , based on the ETSI (European Telecommunications Standards Institute ) ETSI TR 100028, PR China Technical Report of understanding uncertainty evaluation method in the detection of the transmitting equipment , combined with the internationally accepted method of appropriate technical standards and industry research and analysis of the system , summarized the three types of sources of uncertainty in the radio detection and focus on radio detection due to measurement uncertainty mismatch , a comprehensive analysis and calculation of measurement uncertainty in the signal transmission path insertion attenuation . Finally, through the cases of application of the FM radio carrier frequency , power , spurious emissions and other technical indicators measuring extensometer and derive the basic method of measurement uncertainty in radio detection .

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CLC: > Industrial Technology > Metallurgy and Metal Craft > Tolerance techniques to measure and mechanical measuring instruments > General issues > Technical methods of measurement
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