本篇文章引用自此: https://stars.udn.com/star/story/10091/9062495?from=udn-catehotnews_ch1022 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. 舒淇執導御用女郎9m88!拋喜訊甜喊幸福 Horn Antenna
以下文章來自: https://stars.udn.com/star/story/10091/9045864?from=udn-catehotnews_ch1022 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. 屏東赤牛嶺改善站數位信號無法正常發射。 Outdoor Antenna
Log Periodic Antenna (LPDA) Log Periodic Antenna (LPDA) .inline-ads.inline-ads--desktop .udn-ads { margin-block: auto; margin-inline: unset; width: auto; margin-bottom: auto; display: flex; } .inline-ads.inline-ads--desktop { -webkit-box-sizing: border-box; box-sizing: border-box; display: flex; flex-flow: row nowrap; justify-content: center; align-items: center; height: auto !important; gap: 10px; overflow: hidden; padding: 20px; position: relative; max-width: 100%; margin: 40px auto !important; text-align: center; } .inline-ads.inline-ads--desktop iframe { margin: auto; } .inline-ads.inline-ads--desktop:after, .inline-ads.inline-ads--desktop:before { border: 0 solid #dedede; content: ""; position: absolute; width: 100% } .inline-ads.inline-ads--desktop:before { border-top-width: 1px; left: 0; top: 0 } .inline-ads.inline-ads--desktop:after { border-bottom-width: 1px; bottom: 0; left: 0 } @media screen and (max-width: 1023px) { .inline-ads.inline-ads--desktop { display: none !important; } } 安妮激動感謝她的爸爸媽媽、高中老師,楊繡惠更表示自己感到呼吸困難,肯定是因為空氣過於稀薄,但當籃籃信心滿滿猜測海拔「1100公尺」時,真相竟只有「11公尺」,眾人瞬間傻眼,阿翔不滿:「你們好像很看不起這座高山誒!」楊繡惠馬上吐槽:「這座叫高山?」阿翔馬上補充:「大家現在所在的高山可是比玉山還要厲害」,前東港山雖是全台「最矮高峰」,卻同樣擁有一等三角點,還比玉山多了一等天文點。最後阿翔挑戰從山腳到山頂只花12.5秒,邀請觀眾一起來破紀錄。 以下內文出自: https://stars.udn.com/star/story/10091/9048213?from=udn-catelistnews_ch1022 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. 915MHz Antenna 黃金情侶檔合體威力爆棚 昔日「美國甜心」如今變這樣!