Standard Gain Horn Antenna
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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)
Open Boundary Quad-Ridged Horn Antenna Applications:
- - Low Cross-interference
- - Antenna Measurement
- - Electromagnetic Measurement
- - Electromagnetic Compatibility Testing (EMC test)
- - Ultra-wideband Radar Detection
- - Some antennas have a compact design that makes them ideal for use with a tripod-mounted -
新奇中心/綜合報導
▲乾隆皇帝的風流韻事,最讓人感到好奇!(示意圖/翻攝自百度百科)
《延禧攻略》、《如懿傳》都是國人非常喜愛的宮鬥劇,兩部戲都以乾隆皇帝為故事背景,可見大家都對乾隆的生平事蹟特別關注,尤其有關乾隆皇帝的風流韻事,最讓人感到好奇!曾有一位妃子,在乾隆帝65歲時,為乾隆帝生下一美麗公主,乾隆高興地不得了,還給了特別的賞賜,讓其它嬪妃羨慕不已!
這位妃子就是惇妃,本名為汪氏,是在乾隆年老之時才進宮的。此時的乾隆雖然已經到了垂暮之年,但是汪氏當時只有17歲,看到這樣的妙齡美女,乾隆帝春心蕩漾,並寵幸了此人;過了一段時日,惇妃竟然為皇帝產下了一個公主,此時的乾隆已經到了65歲的高齡,老來得女讓他十分高興。
▲惇妃十分受到乾隆皇帝的寵愛。(圖/翻攝自百度百科)
汪氏生下的女兒,由於在公主中排行第10位,人們便將這位公主叫做十公主;在看到生下來的是個女孩子之後,乾隆便放心的將自己所有的寵愛都傾注到了這個孩子身上。假如汪氏生的是個男孩的話,恐怕乾隆就不會將自己的喜歡表現的這麼明顯,但因為女孩不會牽扯到皇位之爭。所以乾隆也不用因為擔心引起別人的猜疑而故意克制自己的喜歡。
話說乾隆一生之中,去過六次的南巡,因此見識過大江南北的各種事物。在其南巡之時,乾隆就發現南方的瓜果與北方大為不同,而且不乏許多美味的存在,其中就包括了黃瓜。作為一個很會享受的皇帝,乾隆想盡辦法也要在北方吃到這些美味的瓜果。後來就有人將菜種在溫泉旁邊,經過無數次的實驗,最終獲得了成功,並在冬天種出了十幾根黃瓜。
▲當時黃瓜在皇宮算是非常稀有的瓜果。(示意圖/翻攝自pixabay)
在北方冬天,黃瓜算是稀有品種,整個皇宮才結出了幾根黃瓜,而乾隆為了表達對汪氏的喜歡,便在一次宴會中當場賞了兩根給汪氏。這兩根黃瓜雖然在我們現在看來非常寒酸,但在那個時候,卻代表著來自乾隆的無上寵愛,後宮嬪妃都非常羨慕她。
以下文章來自: https://www.setn.com/News.aspx?NewsID=1223083
Fei Teng Wireless Technology Co. Ltd
Taiwan Head Office & Manufacturer:
No.369, Sec. Litoushan, Wenshan Rd., Xinpu Township, Hsinchu County 305, Taiwan (R.O.C.) MAP
Tel: 886-3-5882899
Fax: 886-3-5882879
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.引用自: https://blog.udn.com/4667de6a/177785844