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臺大電機系科普系列2011.04_漫談電磁學發展與天線科技 天線的基本原理,便得從電磁學的發展談起… 一、從看 .... 為了方便說明天線的輻射 機制,在此以一根長度非常短的偶極天線為例,又可稱為赫茲偶極(Hertzian dipole) ...
Download - 國家教育研究院雙語詞彙、學術名詞暨辭書資訊網 Sheet1 lap coil winding 疊繞組,疊繞法 lap connection 疊[式連]接 lap connection winding 疊接繞組 lap dissolve 疊溶 lap joint 搭接 lap seam weld 搭線焊 lap taping 疊繞,疊包(線圈的) lap valve 活葉門,瓣門,舌閥 lap weld
METAG - 公司首頁 - UHF RFID 超高頻電子標籤性能測試 & 測試工具 & 量測服務 & 天線設計 & EPC 驗證中心 Tag Performance ... METAG is an EPC Class 1 Gen2 UHF RFID test and measurement solution provider based in Taiwan. Our ...
YZUCN -- Hsi-Tseng Chou - 歡迎光臨~元智大學通訊系 美國俄亥俄州立大學電機所博士後研究員 遠傳電信公司 Visiting Scholar 啟碁科技公司技術顧問 捷通科技公司技術顧問 中衛科技公司技術顧問 兆赫電子科技公司技術顧問 永辰科技公司技術顧問
天線類型與設計實例介紹 18 Jan 2007 ... 新電子天線設計研討會. No boundaries! .... PIFA (倒F型天線) ...... 雙路徑形成雙頻 操作. ‧路徑長度約為共振頻率之四分之一波長. 操作原理. 91.
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TREVOR MARSHALL - Biquad feed for primestar dish That's all there is to it, folks -- you now have a dish with 27-31 dBi of gain and negligable sidelobe radiation (40dB). The beamwidth is about 4 degrees. Look at NEC2.org for information on simulating the performance of the stand-alone Biquad BiQuad Ante
G0KSC SC28-6-9D Dual Band Yagi 28Mhz and 50Mhz G0KSC SC28-6-9D 11el 28Mhz / 50Mhz Dual Band Yagi Antenna with a 4.76 Metre Length Boom About this Antenna I am particularly pleased with this design as I have not seen anything similar around on the Internet today yet with many HF radios including six me