38 research outputs found

    Design of low-profile omnidirectional antenna for ground sensor networks

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    Miniaturized multi-element monopole antenna View Document

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    λ³Έ λ…Όλ¬Έμ—μ„œλŠ” 60 GHz 개ꡬ면 κ²°ν•© 패치 μ•ˆν…Œλ‚˜μ˜ 기판 μœ„μΉ˜μ— λ”°λ₯Έ 이득 λ³€ν™”λ₯Ό μ‚΄νŽ΄λ³΄μ•˜λ‹€. μ•ˆν…Œλ‚˜ ꡬ쑰가 κ°™μŒμ—λ„ λΆˆκ΅¬ν•˜κ³  μΌμ •ν•œ 크기의 κΈ°νŒμ—μ„œ μ•ˆν…Œλ‚˜μ˜ μœ„μΉ˜μ— 따라 μ•ˆν…Œλ‚˜μ˜ 이득이 λ³€ν™”ν•˜μ˜€λ‹€. μ΄λ•Œ 이득이 0.9 λ의 μ£ΌκΈ°μ„±κ³Ό 5 dB 진폭을 가지고 λ³€ν™”λ˜λŠ” 것을 κ΄€μ°°ν•˜μ˜€λ‹€. 이λ₯Ό κ²€μ¦ν•˜κΈ° μœ„ν•˜μ—¬ μΌμ •ν•œ 크기의 κΈ°νŒμ— μ•ˆν…Œλ‚˜μ˜ μœ„μΉ˜μ— 따라총 20개의 μ‹œλ£Œλ₯Ό μ œμž‘ 및 μΈ‘μ •ν•˜μ˜€μœΌλ©°, HFSS μ†Œν”„νŠΈμ›¨μ–΄λ₯Ό μ΄μš©ν•œ λͺ¨μ˜μ‹€ν—˜κ³Ό μΈ‘μ •κ²°κ³Όκ°€ μΌμΉ˜ν•¨μ„ ν™•μΈν•˜μ˜€λ‹€. λ‹€λ₯Έλͺ¨μ˜μ‹€ν—˜μ„ ν†΅ν•˜μ—¬ μ΄λ“μ˜ μΌμ •ν•œ μ£ΌκΈ° λ³€ν™”λŠ” 기판의 μœ μ „μœ¨κ³Ό ꡡ기에 영ν–₯이 ν¬λ‹€λŠ” 것을 ν™•μΈν•˜μ˜€λ‹€.22Nkc

    Antenna embedded in metallic structures with high isolation

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    Highly miniaturized vertical end-fire antenna array for mmWave wireless communication

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    Tri-Band Reconfigurable Antenna for RFID Applications

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