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Planer Near-field Measurement Technology and Error Analysis

Author: WangBinHu
Tutor: YuanNaiChang
School: National University of Defense Science and Technology
Course: Electronic Science and Technology
Keywords: Near-Field measurement Error of near-field measurement plane wave spectrum (PWS) FFT Transform from near field to far field truncation error positioning error
CLC: TN820
Type: Master's thesis
Year: 2009
Downloads: 79
Quote: 0
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Abstract


Based on the detailed concepts of antenna near-field measurement and the theory of plane wave spectrum (PWS), the theory of plane near-field measurement,the design of plane near-field measurement system and the analysis of errors are introduced. Several errors of plane near-field measurement such as iterative error, the probe positioning error and the truncation error of finite scanning are discussed in details. To begin with, the effect that several plane scanning errors have on the far field is theoretically analyzed and the upper boundaries of the errors are formulated too. By computer simulation, this paper emulates these important errors, then reveals and analyzes the effect of these errors to the far-field pattern for further step. By practical measurement, we find that the test results are consist with the theoretical values, which validates the feasibility of correlative algorithmic of the system and further more shows the validity and practicability of the system.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Radio equipment,telecommunications equipment > Antenna > General issues
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