一分鐘報天氣/週一 (11/21日) 東北季風今短暫增強 下週三起全臺有雨
明天天氣如何?
今天(20日)東北季風稍微增強,北部、東北部還是陰涼並有短暫雨的天氣,預測高溫大概只有23-26度,跟昨天(19日)的接近30度有很大的區別,而且在東北部的沿海山區有局部較大雨勢發生的機會,外出記得攜帶雨具跟多加件衣服。中南部地區則沒有太大的影響,目前還是晴到多雲為主的天氣,晨間局部有霧,日出後很快就會消散,只有海峽沿岸會感受到有些降溫,內陸還是悶熱,此外南部的空氣品質比較不理想,目前有些地方是對敏感族群不健康的等級,主要是風速弱讓細懸浮微粒不易擴散,午後紫外線也會導致臭氧增多,外出的話要多補充水分跟注意防曬,又或者可以安排室內的行程同時避開空污,入夜後氣溫就會很快下降了。
從明天(21日)週一上班日起,東北季風會稍微減弱,下週二會短暫轉為偏東風,讓西半部都處在弱風環境內。首先是迎風面的降雨會逐漸退到東半部沿海一帶,北部轉為陰到多雲,甚至在週二白天配合鋒面前方的西南風,又會短暫出現類似週六那樣暖熱的天氣。而一提到弱風環境,就會聯想到空氣品質又要轉差了,目前看來週二這天又會有個背風渦漩發展,往北移動的同時,也會把懸浮微粒由南而北帶上去,週二白天到週三的清晨中北部也有接近或亮起橘燈,未來幾天也請多留意空氣品質的預報。
The horn antenna has a distinctive design that is enlarged towards the end. Horn antennas typically feature a directional radiation pattern with a high antenna gain of 10-20 dBi, some antennas have a higher gain such as the standard horn antenna up to 25 dBi. Horn antennas feature a low VSWR and a wide impedance bandwidth.
Double Ridged Horn Antennas are very popular from 200 MHz frequency to higher frequencies up to 40GHz. We have recently extended the usage frequency of this antenna up to 60 GHz.
This antenna's operating frequency has recently been increased to 60 GHz. The research process for the product line is still ongoing but is planned to be completed this year. To receive the most recent price and technical information on the new product, please contact us for more information.
Double Ridged Horn Antennas are suitable for both transmitting and receiving purposes, with applications:
- - Antenna measurement
- - Communication systems
- - Satellite tracking systems
- - Radar Detection System
- - Surveillance System
- - Electromagnetic Compatibility Testing (EMC test)
Recommended Accessories
- - Antenna Tripod: easy and fast-changing position. 100% stable after installing.
- - SMA Cable: High-quality special SMA cable
Learn More
SUMMARY TABLE OF DOUBLE-RIDGED HORN ANTENNA (HA-SERIES)
址而大家最關心的應該還是下週的降雨趨勢,這波水氣主要來自目前在南海的熱帶擾動,它的範圍相當廣大,下週登陸中南半島後,水氣會順著中低層的西南風接近臺灣,週二晚間起中南部就會開始有零星陣雨機會;這時也正好有低壓跟鋒面通過東海道臺灣北部近海,也有貢獻一些西南風,不過鋒面本身的雲帶目前預測會在海上通過,臺灣的降雨主要還是來自中層的南方水氣,以及底層的東北季風地形降雨。目前預測週三到週四水氣最多,中北部因為位於冷暖交界,雨勢會比較明顯,全天都會有明顯的雨勢,南部、東南部則是以陰短暫雨為主,比較好的消息是下週五起水氣有逐漸減少的趨勢,投票日西半部天氣可望趨於穩定,而東半部整週都還是有短暫雨機會。未來這段期間天氣變化比較多,也請大家隨時掌握最新的預測。
以上氣象由天氣風險/李至晟提供
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