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Research on Broadband Wire Antennas Used for EMC Tests

Author: TianZhiYong
Tutor: QiuYang
School: Xi'an University of Electronic Science and Technology
Course: Measuring Technology and Instruments
Keywords: Electromagnetic compatibility Broadband wire antenna Balancer Antenna simulation Calibration
CLC: TN820
Type: Master's thesis
Year: 2011
Downloads: 157
Quote: 0
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Abstract


With the electromagnetic compatibility testing session the importance of product development and production cycles have become increasingly prominent , electromagnetic compatibility testing will inevitably increase the demand for both domestic standard laboratory construction materials , or equipment , however , are imported from abroad , expensive , popular rate is low, a few hours of testing costs up to thousands of dollars , often only to product delivery and acceptance test , which is obviously compatible with the electronic product design - development - production cycle electromagnetic verification and control this a concept contrary . To solve the above problem , the lab trying to existing shielded room , semi-anechoic chamber test environment based on a spectrum analyzer as the basis , the use of virtual instrument technology , through the development of appropriate signal processing software , research performance better electromagnetic compatibility test Annex to supporting the development of low-cost means of detection . EMC Test Accessories , bear the brunt of the electromagnetic compatibility broadband measurement antenna. Electromagnetic compatibility test frequency bandwidth, broadband EMC measurement antenna to cover these bands from tens of Hz to tens of GHz . This article focuses on the common electromagnetic compatible broadband measurement wire antenna , a typical representative of a half-wave dipole antenna biconical antenna , log-periodic antenna , conical logarithmic spiral antenna . For each antenna , in the analysis of its broadband technical principles on the basis of the proposed the broad design method , and gives a typical design example of the band ; to combined electromagnetic simulation software simulation and optimization functions , partial adjustment of the antenna parameters ; Finally, the developed prototype antenna performance testing, and similar foreign antenna performance comparison, given a reasonable conclusion .

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