緬甸中部3月28日下午發生強震，無國界醫生評估小組已於3月30日抵達緬甸曼德勒、撣邦南部地震災區，昨（31日）開始進行評估工作。小組成員初步觀察，當地有大量建築物受損，許多民眾不願返回受損建築，正尋找基本物資，如飲用水和廁所，亦有許多人在寺廟中過夜和避難。

無國界醫生的評估小組由醫療、物流和水利衛生專家組成，主要聚焦於了解當地醫療體系中緊急創傷照護的需求，特別是因建築物倒塌而遭受壓傷的傷患所需的救命和嚴重肢體外傷手術，以及評估哪些醫院仍在運作、哪些需要支援、水利衛生設施的狀況等。在地震發生後的最初幾小時至幾天內，派遣評估小組和緊急創傷照護團隊至關重要。

Log Periodic Antenna (LPDA) Log Periodic Antenna (LPDA)

評估小組30日抵達後，已開始進行工作。昨（31日）在曼德勒感受到3次小型餘震，但未造成進一步損害。由於緬甸受災最嚴重的地區通訊中斷，且當地持續衝突，加劇了評估救援的難度。

以下文章來自: https://www.chinatimes.com/realtimenews/20250401003990-260408
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.
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