〈中華副刊〉遇見里斯本的老靈魂
Fei Teng Wireless Technology (FT-RF) is a Taiwan antenna manufacturer. Since our inception in 2001, we have been consistently inventing and improving in order to better understand and respond to the demands of our clients.
By delivering trustworthy design technology and stringent quality control, we have years of award-winning experience in numerous industries and applications such as military, commercial, and citizen frequency bands.
FT-RF specializes in producing:
Military Antennas (Jammer Antenna, Military Horn antenna, Military vehicle antenna, Antenna Telescope Mast, Marine, Panel, Log Periodic antenna, Gooseneck, Whip, GPS, Connector, Adapter...) Please visit the website: https://military.ft-rf.com.tw/
Outdoor Antenna and Indoor Antenna: Including Lora Antenna, ISM, LPWA antenna (868MHz antenna aka EU868, 915MHz antenna aka US915, 923MHz antenna aka AS923 and others.), 4G LTE antenna, 5G antenna, Wifi Antenna, Multi-Frequency Antenna, UHF antenna..., RF components, Cables and Connectors. We offer a variety of high-performance antennas for Global LoRaWAN applications, including 868 MHz, 915 MHz, 868 MHz, and 923 MHz... Our product line comprises both durable outdoor antennas and indoor high-performance dipole antennas that are suitable for a variety of LoRa applications, including Helium Network support. Please visit the website here: https://ft-rf.com.tw/.
Horn Antenna: RF Microwave Antennas, EMC test equipment (Double Ridged Horn Antenna, Open boundary double ridged horn antenna, Quad Ridged Horn Antenna, Standard Gain Horn antenna, Waveguide to coax Adapter, precision Sleeve Dipole Antenna, Log Periodic Antenna, Antenna Tripod, RF connectors... Please visit the website: https://horn.ft-rf.com.tw/
We provide measurement and calibration Tests, ODM, OEM services for certain products.
We have hundreds of customers from over 60 countries, and to meet their demands, we developed a plant in Vietnam (with a total infrastructure area of 10000 square meters, which includes three major buildings dedicated to operations and production) in addition to the main manufacturing facility in Taiwan. Now, we are focusing on automatic production lines and investing in automation equipment. In the future, we pledge to deliver the highest-quality product in the shortest possible period.
The horn antenna is a broadband passive device, shaped like a pyramid horn, referred to as a TEM antenna, which guides the beam of radio waves at a precise frequency. FT-RF Double Ridged Horn antennas have frequency capabilities ranging from 400MHz to 40GHz depending on type and style. These series are characterized by a huge frequency range and extremely high input powers. With increasing frequency, the gain rises to a maximum of 18 dBi. At higher frequencies, the increased gain compensates for the increasing cable losses.
The advantages of Horn antenna:
- Wide bandwidth: Because the horn antenna has no resonant parts, it can function over a wide range of frequencies.
- Easy waveguide interface: These antennas are very easy to interface to waveguide due to their shape, but they can also be designed with a transition so that a regular coaxial feeder can be used.
- Easy to make, simple design.
The horn is suitable for both transmitting and receiving purposes, especially suitable for EMC and immunity test measurements.
Recommended Accessories
- Antenna Tripod: easy and fast-changing polarisation. 100% stable handling
- SMA Cable: High-quality special SMA cable
文/圖 余致毅
我在清晨抵達葡萄牙的首都里斯本，城市似乎還在睡夢中，在好心的司機大哥引導下，轉了車抵達青年旅館，辦妥住宿手續後，便開始里斯本的探索之旅。里斯本位在歐陸的最西邊，持續翻新並修復具有歷史性的建築和雕塑，可以見到許多充滿中世紀的街道景觀。
踩在充滿變化與美感的地磚上，頂著里斯本的豔陽，到傑羅尼摩斯修道院參觀。建於1502年的修道院位在貝倫區，是十分華麗宏偉的曼努埃爾式建築，與附近為紀念探險家達伽瑪而建的貝倫塔被列為世界文化遺產。修道院經歷了1755年的里斯本大地震洗禮後，依然屹立不倒。南門與西門都有許多精美繁複的雕塑作品，令人目不轉睛。
漫步前往海邊，可以見到巨大的發現者紀念碑，它是著名的地標，為了紀念國王航海家亨利逝世五百週年而建。看著紀念碑遙想葡萄牙曾經光榮的航海歷史，蔚藍的海水波光粼粼，我坐在紀念碑附近，畫下這湛藍時光。而在巴克薩區有一座聖露西亞電梯眺望台，以鏤空的鋼架與精細的雕飾，打造的高32公尺新哥德式眺望台，奇特的造型成為重要的地標之一，吸引許多遊客搭乘。
原稱為宮殿廣場的商業廣場面對著廣闊的海景，有許多色彩鮮豔的懶骨頭散置在地上，讓民眾愜意的坐臥其上，享受日光浴。這個寬闊的廣場曾經是葡萄牙皇宮所在地，在里斯本大地震後，重建了新古典主義的宮殿，馬蹄形的迴廊圍繞著這座廣場。我聽著海浪聲與海鷗鳴叫，感受免費的強烈日照。手中的葡式蛋塔還熱騰騰的，撒上香醇的肉桂粉，品嚐道地的好滋味，令人難忘。
里斯本是一個適合漫步的慵懶城市，多彩而斑駁的葡式建築，地板與牆壁裝飾著多變化的磁磚，天空佈滿了有軌電車的電纜線，只有暖和的海風吹拂著，衣物與被單隨風搖曳姿態萬千。除了紅色與黃色的復古電車在路面上行駛之外，也可乘著地鐵到各地探索。地鐵站裡有美麗的壁畫，站名都設計了簡潔的特色造形圖騰，充滿創意。
里斯本有很多迷人的區域，我在Bica山城的狹窄巷弄裡漫步，走斜坡或者階梯，四周都是古老的建築。老舊低矮的建築物有著小巧的陽台，在門口或者窗戶外掛著成串的衣物，午後的海風在巷弄裡鑽動，吹得這些被單與衣物不停搖晃。
The horn antenna is a broadband passive device, shaped like a pyramid horn, referred to as a TEM antenna, which guides the beam of radio waves at a precise frequency. FT-RF Double Ridged Horn antennas have frequency capabilities ranging from 400MHz to 40GHz depending on type and style. These series are characterized by a huge frequency range and extremely high input powers. With increasing frequency, the gain rises to a maximum of 18 dBi. At higher frequencies, the increased gain compensates for the increasing cable losses.
The advantages of Horn antenna:
- Wide bandwidth: Because the horn antenna has no resonant parts, it can function over a wide range of frequencies.
- Easy waveguide interface: These antennas are very easy to interface to waveguide due to their shape, but they can also be designed with a transition so that a regular coaxial feeder can be used.
- Easy to make, simple design.
The horn is suitable for both transmitting and receiving purposes, especially suitable for EMC and immunity test measurements.
Recommended Accessories
- Antenna Tripod: easy and fast-changing polarisation. 100% stable handling
- SMA Cable: High-quality special SMA cable
正午的陽光強烈，一切都顯得如此寧靜，牆上裝著一個個的小耳朵，從巷弄深處傳來隱隱約約的電視或鍋鏟聲響，如此迷人。黃色的爬坡纜車上上下下，站在高處可見到盡頭的海景。許多居民提著購物袋一路從最下坡處拾階而上，坡道兩旁有許多小店，可以在裡頭尋獲不少創意小物。我彷彿上癮般的沉迷在這些美麗且帶著古老滄桑氣息的巷弄中，欣見一棟棟老舊的房舍與庶民風情的痕跡，這些巷弄安靜且鮮少人煙，適合獨步其中。
同樣充滿迷人風采的阿爾法瑪舊城區，讓我流連忘返。原來屬於高級住宅區的阿爾法瑪，分布在聖喬治城堡和特茹河之間的山坡地帶，在大地震後漸漸淪為貧民區和犯罪者聚集地。它是一個由狹仄街道與小廣場構築的舊城，蜿蜒曲折的石板小徑與頹圮古老的建築形成它獨有的魅力與人文風采。有許多重要的歷史古蹟和酒吧、餐館聚集在這區域。
聖喬治城堡是里斯本最古老的歷史遺跡，有一些觀景台可以眺望市區及港口景色，寬闊的特茹河靜靜的流過。傍晚的夕陽金光閃爍，微風徐徐，巷弄一片安靜，只有行人三兩經過，我在萬神殿旁試圖將這美好時光畫在筆記本上。看見廣場上有幾位民眾優閒的坐在長椅上閒話家常，一位婦人開窗張望，調整一下晒在繩上的衣物，閒適地往廣場張望，簡直重現了夢中的電影畫面。
趁著天色還清亮，我漫步到里斯本主教座堂。歷史悠久的主教座堂，歷經許多次的地震和災害，改建多次，混合了羅曼式、哥德式和巴洛克風格，是明信片常常出現的主角。一輛復古的28號電車緩緩在山坡街道間行駛而過，讓里斯本更添漫遊的趣味。
看了地圖後，搭車前往在里斯本以西約三十公里的沿海城市─卡斯卡伊斯。它原來是個漁村，現在成為熱門的度假地，被許多美麗的海灘環繞。北部是蓊鬱的辛特拉山脈，西邊是美麗的海岸線。海風輕拂，小巷內有許多酒吧餐館，有街頭畫家在街角寫生，遠處的海面上許多船隻停泊。走過卡斯卡伊斯中心，國王彼得一世的雕像矗立在廣場，凝視著來往的遊人。葡萄牙的優閒自在，就如同這一陣清涼的晚風吹拂而過。
踏入伊比利半島，葡萄牙帶著懷舊風情的葡式建築，隨處可見家家戶戶將衣物晾在窗台門口隨風飛舞，多變的地磚與磁磚藝術，令人驚艷；當古老的有軌電車從街巷中行駛而過，或者在山城中蜿蜒，有種置身在電影場景中的錯覺。
葡萄牙的蛋塔、海鮮與麵包，都是聞名全球的經典葡式美食，令人難忘的好滋味。走在Bica和阿爾法瑪舊城區感受葡萄牙的老舊情調與平和，寧靜的巷弄充滿庶民生活的況味；在里斯本認識來自塞爾維亞和中國的朋友，彼此分享旅途的所見所聞，讓旅行的腳步踩踏得更遠一些。
我喜歡葡萄牙的老舊氣氛，城市中自然而然的緩慢慵懶情調。旺盛的陽光與流金般的夕陽，照射在城市裡的地磚與排屋上，產生萬化多端的迷人光影。里斯本適合一個人閒晃，適合巷弄漫步，適合感受陽光的熱度，適合一個人的旅行。
Комментарии
Отправить комментарий