Outdoor Antenna 星級評論/星宇航空股東會一戰成名 香蕉37歲擁3房、存千萬的致富秘訣
Log Periodic Antenna (LPDA) Log Periodic Antenna (LPDA) Log Periodic Antenna (LPDA) Log Periodic Antenna (LPDA) Log Periodic Antenna (LPDA)
國外一名女子的手機iPhone 16 Pro從高空2600英尺(約800公尺)掉落,竟完好無損還能順利開機。(資料照/shutterstock、達志)
文章來自: https://www.chinatimes.com/realtimenews/20250809003166-260408
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.
Log Periodic Antenna (LPDA) Log Periodic Antenna (LPDA) Log Periodic Antenna (LPDA) Log Periodic Antenna (LPDA) Log Periodic Antenna (LPDA)
這款iPhone太猛了!從800公尺掉落 竟完好無損「順利開機」
許多人使用手機或其他3C產品,都怕不小心摔到會壞掉。最近國外有一名女子普蘭格(Ashley Prange)的iPhone 16 Pro從飛機上掉落,事後在一處森林尋獲她的手機,驚喜的是,手機完好無損、螢幕沒有破裂,甚至能順利開機,僅手機套有些微破損。普蘭格將這起事件分享到社群,引發熱烈討論。
據外媒《9to5Mac》報導,國外一名女子普蘭格是位環保人士,日前她搭乘一架小飛機在德國上空拍攝影片,但她的手機iPhone 16 Pro不小心從手中掉落,直接從2600英尺(約800公尺)高空墜落地面,而小飛機正以110節速度(約時速203公里)飛行中。
普蘭格降落後,原本不抱期待的她,試試看打開iPhone內建的「尋找功能」,看到手機最後定位在萊茵河谷,剛好位於她的表妹住處附近的一座茂密森林深處。普蘭格本來想放棄,但想起自己的信用卡和駕照都在手機套裡,所以動身去找看看手機。
文章來自: https://www.chinatimes.com/realtimenews/20250809003166-260408
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.