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antenna theory RFID ?? IFA ??? ?? MRI artifact uv-vis ????? Waveguide cst microstrip antenna

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"electromagnetically coupled dipole array antenna" ???? 1-20 / 29?

???? EMCD ??? ???? ? ?? ?? (Beam-tilting Characteristics of Horizontally Polarized EMCD Array Antennas)

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?? | 7??? | ?? | ??? 2025.05.17 | ??? 2025.05.22

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Implementation of Slot-Coupled Broadband Butler Matrix Based on Multiple Layered Microstrip Transmission line (Implementation of Slot-Coupled Broadband Butler Matrix Based on Multiple Layered Microstrip Transmission line)

to the array antenna. In this paper, a combination of microstrip slot-coupled directional couplers ... mart antenna technology can adaptively adjust the beam direction of the array antenna according to the ... magnitude and phase of the feed signals applied to the array antenna. In this paper, a combination of

?? | 10??? | ?? | ??? 2025.05.22 | ??? 2025.05.26

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???? ?? ??? ??? ???? ??? ?? LPDA ??? ?? (A Design Log-Periodic Dipole Array Antenna for efficient Reception of Leakage Monitor Electromagnetic Signal)

leakage electromagnetic waves to happen in such electrical appliance the research to use at a c ... monitor electromagnetic signal in this paper. We analyzed the performance of the antenna through the ... simulation and compared various antenna gain. So, we proposed the receiving antenna of leakage

?? | 11??? | ?? | ??? 2025.05.28 | ??? 2025.06.04

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?? ????? ??? ??? 180o Bit X-?? ?? ???? ?? (Broadband 180o Bit X-band Phase Shifter Using Parallel-Coupled Lines)

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?? | 5??? | ?? | ??? 2025.05.10 | ??? 2025.05.18

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?? ??? H-?? 5?? ?? ??? ?? ?? ?? ???? ?? ??? ??? ?? (Impact of Substrate Size on the Radiation Characteristics of an H-plane 5-Elements Linear Aperture Coupled Microstrip Patch Array Antenna)

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?? | 9??? | ?? | ??? 2025.04.29 | ??? 2025.05.15

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?? ?? ????? ?? 3��4 ??? ????? ?? 5 GHz ?????? ?? ??? ?? (5 GHz UAV Array Antenna Design with a 3��4 Reconfigurable Feeding Network for Wide Elevation Coverage)

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?? | 5??? | ?? | ??? 2025.03.13 | ??? 2025.03.28

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???? ?????? ????? ???? ? ?? ????? ??? ???? ??????? ??? ?? ???? ?? (Design of Series-Fed Microstrip Comb-Line Array Antenna with Low Sidelobe Level Based on Simulated Radiated Power of Unit-Cell)

This paper proposes a design methodology of comb-line array antenna with low sidelobe level. To ... . This paper proposes a design methodology of comb-line array antenna with low sidelobe level. To taper ... taper the amplitude of the array aperture, we applied the radiation power ratio calcuated at the

?? | 6??? | ?? | ??? 2025.05.25 | ??? 2025.05.27

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?? ????? 4? ??? ??? ?? (Design of a Four-Wire Dipole Antenna for Artillery Position Location)

hemispheres. Antenna dimensions are optimized using a commercial electromagnetic simulation software for ... .567��1.627GHz?? -10dB ??? ???? ??? ??? ?????. This paper proposes a four-wire dipole antenna for the ... consists of two coax-fed crossed dipoles bent into the conical shape of the projectile's fuze radome

?? | 8??? | ?? | ??? 2025.05.23 | ??? 2025.05.26

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????? ?? ??? ??? ?? ?? ?? ???? ?? ??????? ??? (a series feeding cross-aperture coupled microstrip antenna for improving axial ratio bandwidth of circular polarization)

paper, a novel series feeding cross-aperture coupled microstrip antenna with the effect of hybrid ... -aperture coupled antenna with single feeding among the various methods for generating circular ... polarization. The validity of a proposed series feeding cross-aperture coupled microstrip antenna is s

?? | 8??? | ?? | ??? 2025.06.02 | ??? 2025.06.05

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????? ?? ??? ?? ??? ?? ???? ???? ?? (High-Performance Bidirectional Active Phased-Array Antenna Coupled by Transmission Line)

antenna which is coupled by the transmission line, and investigated the relationship between the length ... power and phase of the active phase array antenna, we have fabricated the active phased-array ... signal to the one side of the two antennas, and changing the eigen frequency of the other side

?? | 11??? | ?? | ??? 2025.06.02 | ??? 2025.06.06

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?? ??????? ??? ?? ??? ???? ?? ? ?? (Design and Implementation of Butler Matrix Based on Multilayered MTL)

direction of array antenna as a feeding system of the beamforming network. The beam pattern of array ... elements. Therefore, the magnitude and phase of feeding signal supplied to array antenna is used for ... -coupled directional couplers to extend the limited narrow bandwidth, and to reduce the size

?? | 12??? | ?? | ??? 2025.05.23 | ??? 2025.05.26

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???? ?? ???? ?? ??? ?????? ??? (Development for Wide-Band Active Array System with Photonics-Based Optical Transceiver)

designed as a 2��8 array using a microstrip dipole antenna. The OTM performs frequency up/down c ... ? ???? ??? ??/?? ??? ????, ???? ??? ???? ?? ??? ?? A/B/C/D 4 ?? ????? ????. ??? ? ??? ?? ????? ???? ... the development of a wide-band active array system with a photonics-based optical transceiver module

?? | 10??? | ?? | ??? 2025.05.27 | ??? 2025.06.04

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FSS ??? ????? ?? ?? ??? ?? ??? RCS ???? (Comparisons of RCS Characteristic of Spherical Frequency Selective Surfaces with FSS Element Arrangement)

???? ??? ??? ??? RCS ??? ??? ??? ? ? ??? ?????. In this paper, we analyzed the electromagnetic c ... haracteristics of the spherical frequency selective surface with different arrangement of crossed dipole ... slot elements for reducing the RCS(radar cross section). The three dimensional MOM(method of moment

?? | 7??? | ?? | ??? 2025.05.25 | ??? 2025.05.27

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??? ????????1 ????(??????) ??5 passive component design, Microstrip line

, Array antenna is simple to implement. Fifth, it can adjust the size of the substrate properties ... ircuum are placed uniformly. And it can transport electromagnetic field energy with conserving signal ... energy between GND and signal line.Microwave components such as antennas, couplers, filters, power

??? | 3??? | 1,000? | ??? 2014.10.05

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Antennas?? ??? (Wire Antenna) ???? ??? ??? ??? ??? ??? (????)(a) ??? ???(b) ??? ???(c) ???? ???(d) ????? ... . microstrip AntennaMicrowave Lab.DONGSHIN UNIVERSITY?? ??? (array Antenna) ?? ??? ??? ? ?? ??? ?? ?? ... ?? ?? ??? ??'??? ?��???? ????? ???? ????' '???? ?? ?? ???? ??? ??? ????'Antenna's notionsMicrowave

??? | 24??? | 3,000? | ??? 2010.11.28 | ??? 2013.12.19

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??? ��/2 ??? ??? ??1GHz? ??? ??? 30cm dipole antenna? ??? 15cm? ??? 1GHz? ???? ????? ?monopole? ?? ... Microwave Lab.DONGSHIN UNIVERSITY??? ? (Antenna beam) ?????? ???? ????(electromagnetic wave) ? ????? ???? ... Microwave Lab.DONGSHIN UNIVERSITYAntenna ???? ??1. Antenna S parameter???? ???? ??? ??? ?? ????? ??

??? | 45??? | 3,000? | ??? 2010.11.28 | ??? 2013.12.19

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UV-VIS ?? ???? ?? ???? (?????)

? ??? ? ?? ????? ???(photodiode array)? CCD(charge coupled device)?? ???? ???? ??.* PMT(Photo ... ?? ??? ??? ?????? ??.- microwave : ??, EPR- ??? : ?? - ??? ???? ??- ???, ???? : ?? ?? - ???? ?? c ... ???? ??? ?? ? ??? ??? ?? ???? ??? ?????(electromagnetic radiation)??? ? ??? ??? ? 100nm��1000nm ? ??

??? | 6??? | 2,000? | ??? 2015.07.16

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dipole) ??? 0.01�� ?? metal??? current magnitude? phase? ?? ?? ? ideal dipole 1MHz?? ?? ��=300m??? 3m?? ... )??? ???(half wavelength dipole antenna)~Rr= 73.1 �� D=1.56=2.15dB???? E-plane pattern*?????? project ... _ing methodfront feedoff-centercassegrain2. parabolic dish antenna _(17)*?????? project_1diameter

??? | 117??? | 2,500? | ??? 2008.11.27

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MRI ??? ?? ??

? ?? ??? ??? filling)? ?? ???? ?????? ???.Antenna :????? ????? ??Array processor :??????? ?? ???? ?? ... ??), cancer(???,??,?) ?? ????.Digital image processing :??? ???? ??? ????? ?? ???? ??? ????Dipole ... ? ?? ???? digital ????? ??? ?? ???? ????.Acquisition time (scan time):??????? ????????? TR��AVG(NEX

??? | 21??? | 1,500? | ??? 2011.12.25

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[?????]CST? ??? ??????? ????? ??

Antenna Design using CST- Dipole Antenna & Array Antenna -?????????1. CST ?? ??(a) Units(b ... ????? ???? ???? ?? ? ? ??. ? ???? ??? ??? ????? ?????.6. Array Antenna? Array Antenna? ??????? ?? ? ... ?? ?? ???? ??? ??? ? ??? ??? ???. ??? Array Antenna? ???? ?? ??????.X??? 16?? ??? ???? ??? ???? ??

??? | 7??? | 1,500? | ??? 2009.01.03

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