Log Periodic Antenna (LPDA)
Log Periodic Antenna (LPDA)
Log Periodic Antenna (LPDA)
Log Periodic Antenna (LPDA)
Log Periodic Antenna (LPDA)"
]
}
}
獅子會捐贈仁愛長庚合作聯盟醫院輪椅 做公益助弱勢 | 蕃新聞
Log Periodic Antenna (LPDA)
Log Periodic Antenna (LPDA)
以下內文出自: https://n.yam.com/Article/20240423518087
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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獅子會捐贈仁愛長庚合作聯盟醫院輪椅 做公益助弱勢
台灣好新聞/ 記者林重鎣/台中報導
2024.04.23 21:23
記者林重鎣/台中報導
隨著高齡化社會的來臨,許多長者就醫需透過輪椅協助代步,
台中市同心獅子會會長劉皓軒指出,
仁愛長庚合作聯盟醫院院長龔嘉德表示,
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以下內文出自: https://n.yam.com/Article/20240423518087
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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