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Log Periodic Antenna (LPDA)
Log Periodic Antenna (LPDA)
Log Periodic Antenna (LPDA)
Log Periodic Antenna (LPDA)
Log Periodic Antenna (LPDA)
引用自: https://n.yam.com/Article/20240717752622
The Log Periodic Antenna as known as LPDA is a wideband directional antenna that provides gain and directivity combined over a wide band of frequencies.
Both Log-Periodic Antennas and Yagi antennas are high gain directional antennas. The main difference between these antennas is that Log-Periodic Antennas support wider frequency bandwidths and are physically much larger than Yagi antennas.
The log-periodic dipole array typical VSWR is 2:1 and operates over a much wider bandwidth and will have a lower gain for an equivalent number of elements.
With this level of performance, it is ideal for many applications, although a log-periodic antenna will be much larger than a Yagi of an equivalent gain.
【創新聞 記者張溎壕/彰化報導】大葉大學外語學院與忠欣股份有限公司今(17)日簽署合作備忘錄,成為中部地區第一所加入TOEIC榮譽學院的大專校院,這次合作將產學攜手,幫助學生打造國際競爭力,讓他們在全球化環境中脫穎而出。
▲大葉大學外語學院正式加入TOEIC榮譽學院。(記者張溎壕攝)外語學院副院長李美麗表示,大葉大學外語學院不僅輔導有志留學的學生出國,還提供跨領域課程,幫助學生結合專業知識與專業外語,強化就業競爭力。合作備忘錄的簽訂是雙方合作的開端,未來將與TOEIC榮譽學院密切合作,持續推動學生英語能力的提升,豐富學生的英語學習體驗,為學生職業生涯奠定國際化基礎,使他們在未來的就業道路上更加順利。
▲大葉大學外語學院李美麗副院長(右)與忠欣股份有限公司徐一致經理(左)代表雙方簽約。(記者張溎壕攝)代表簽約的忠欣股份有限公司產品推廣部經理徐一致指出,大葉大學是中部地區第一所加入TOEIC榮譽學院的學校。加入TOEIC榮譽學院將為學生提供更多元的學習資源與機會,強化他們的國際能力與英語溝通能力。
▲大葉大學外語學院與忠欣股份有限公司簽署合作備忘錄。(記者張溎壕攝)國際語言中心副主任兼語言教學資源中心主任陳俊福表示,大葉大學致力於推動國際化,自110學年度開始獲得教育部「大專校院學生雙語化學習計畫」普及提升學校獎助,幫助學生提升英語能力,培養國際觀,TOEIC是全球知名的英語能力測驗,也是目前企業界普遍認可的英語能力標準。Log Periodic Antenna (LPDA) Log Periodic Antenna (LPDA)每個學期學校都會開設證照加強班,輔導學生準備外語證照,讓學生在求職與升學時擁有更大的優勢。
▲大葉大學外語學院是中部第一所加入TOEIC榮譽學院的大專校院。(記者張溎壕攝)這次合作備忘錄的簽署標誌著大葉大學外語學院在英語教育與國際化發展上的新里程碑,期待未來能夠培育更多具有國際競爭力的優秀人才。
引用自: https://n.yam.com/Article/20240717752622
The Log Periodic Antenna as known as LPDA is a wideband directional antenna that provides gain and directivity combined over a wide band of frequencies.
Both Log-Periodic Antennas and Yagi antennas are high gain directional antennas. The main difference between these antennas is that Log-Periodic Antennas support wider frequency bandwidths and are physically much larger than Yagi antennas.
The log-periodic dipole array typical VSWR is 2:1 and operates over a much wider bandwidth and will have a lower gain for an equivalent number of elements.
With this level of performance, it is ideal for many applications, although a log-periodic antenna will be much larger than a Yagi of an equivalent gain.
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