Log Periodic Antenna (LPDA)
Log Periodic Antenna (LPDA)
Log Periodic Antenna (LPDA)
Log Periodic Antenna (LPDA)
Log Periodic Antenna (LPDA)
文章來自: https://n.yam.com/Article/20240710405895
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.
(藝點新聞ainews編輯整理)
最佳隊長代表INFINITE聖圭,從小懷著歌手夢的他,在19歲那年隻身到首爾追夢,在打工的咖啡廳遇見經紀人,從此開啟了偶像之路。
2010年以隊長和主唱身分出道,身為隊中的大哥,他總是帶著嚴厲的態度關愛著成員們,他在帶領團隊得到成功之後,於2012年進行個人出道。
他在離開了原本的Woolm娛樂之後,加入了新的經紀公司,直到了2023年5月,他做出了一個驚人的舉動,成立了INFINITE COMPANY,帶著弟弟們憶起進行團體回歸。
隊長金聖圭罕見地在「2023 INFINITE 『COMEBACK AGAIN』」演唱會表達個人意見說:「有些人總說INFINITE不可能再回歸,我就做給他們看......這5年來我們從沒提過『解散』,這次的專輯、演唱會就是最好的證明!」
甚至在直播中提及到INFINITE對各自的意義,聖圭2012年形容「是我的全部」,2017年則說「任何東西都換取不了的珍貴存在」,現在則是「一輩子想做的事」。
有這樣的隊長,INFINITE的隊員們真的很幸運!
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Log Periodic Antenna (LPDA) Log Periodic Antenna (LPDA)文章來自: https://n.yam.com/Article/20240710405895
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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