Standard Gain Horn Antenna
Standard gain horn antennas are used as calibration devices that measure the gain of other antennas.
These antennas are made up of a combination of a Waveguide to Coax Adapter and Standard Gain Horn with Waveguide Input. It is a kind of simple combination but with great care and attention to create an antenna with accurate and suitable specs.
FT-RF Standard gain horn antenna product series includes waveguide sizes WR28, WR42, WR51, WR62, WR75, WR90, WR112, WR137, WR159, WR187, WR229, WR284 and WR340, WR430, WR510, WR650, WR770, WR975, WR1150, WR1500, WR1800, WR2100, WR2300, with broadband waveguide horn antennas have frequency capabilities ranging from 320Mhz to 40 GHz depending on type and style. with the gain of 10dBi, 15dBi, 20dBi and 25dBi.
Standard Gain Horn Antenna Applications:
- - Antenna measurement
- - Radar Detection System
- - Wireless Communication
- - Spectrum Monitoring
- - Electromagnetic interference Testing (EMI test)
近日高溫持續飆升,台北捷運軌道溫度也跟著「發燒」,北捷指出,5月27日淡水信義線軌道最高溫達52度,繼2021年後再度突破50度大關,也刷新歷史紀錄,且已連續2天出現超過攝氏50度的高溫警訊。
為確保行車安全,北捷自民國89年起就在淡水信義線復興崗站往忠義站方向的軌道下方設置軌道溫度計,全天候監測軌道狀況,平時除進行日常檢查外,一旦軌道溫度超過50度,便會立即啟動巡檢機制,由維修人員確認軌道狀況是否正常,確保列車運行安全。
Horn antenna北捷也說明,台北捷運多數路段屬地下化設計,如同室內環境,較不受天候影響;不過淡水信義線從圓山站至淡水站屬高架及平面路段,長時間受到陽光曝曬,軌道溫度較容易升高。
至於文湖線,北捷表示,木柵段採混凝土路面設計,內湖段則為鋼製結構,並預留伸縮縫,將熱脹冷縮因素納入設計考量,提供軌道足夠伸展空間,以維持行車穩定與安全。
台北/林品瑄 責任編輯/蔡尚晉
Horn antenna文章來自: https://news.ttv.com.tw/news/11505280019700N
加強型流感疫苗納公費!台灣成亞洲首宣布 Horn antenna
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