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)
洛杉磯道奇隊當家球星大谷翔平,昨天「二刀流」出戰匹茲堡海盜後,今天沒輪休繼續先發上陣,且延續上一戰的火燙手感,敲出本季第13轟,也是他連2天開轟,幫助道奇奠定勝基,不過,7局上大谷翔平突然因左膝疼痛傷退,令球迷相當擔心。
大谷翔平昨天啟動「二刀流」登板迎戰海盜,「投手大谷」主投6.2局、被敲6支安打,失4分,其中3分為自責分,無關勝敗;「打者翔平」則在9局上敲出本季第12轟,幫助球隊追到只剩一分落後,可惜最後道奇差臨門一腳,拚逆轉失利。
今天道奇、海盜系列賽第三戰,大谷翔平沒有如前次在先發投球後輪休,而是繼續擔任開路先鋒上陣,3局上,他的火力延續輸出,從海盜先發投手Mitch Keller手中夯出陽春砲,本季第13轟出爐,幫助道奇先馳得點,後續,道奇也靠著打線串聯,將比分拉開到3比0。
4局上,大谷翔平再度帶動起球隊攻勢,2出局後敲安上壘,Andy Pages、Freddie Freeman再度安打接龍,再加上Mookie Betts保送和投手暴投,道奇取得5比0領先。
5局下,海盜展開反攻,趁著道奇先發投手Justin Wrobleski體力下滑,Rafael Flores Jr、Brandon Lowe輪番開轟,追到5:3,下一棒Bryan Reynolds敲出擊中投手的強襲球,雖然Wrobleski仍快速衝向一壘補位,但與跑壘員發生碰撞,傷退離場;接替投手的中繼投手Will Klein,也無法擋下海盜的火力,連續被敲2安,比分來到5比4一分差。
戰線直到7局上,道奇在一出局後,Alex Call獲得四壞球保送,下一棒Daton Rushing敲出長打,形成2、3壘有人,下一棒Miguel Rojas敲出二壘方向滾地球,二壘手Brandon Lowe接到後快傳本壘,但仍未能抓到從三壘衝刺回壘的Alex Call,讓道奇添得保險分,並持續攻佔1、2壘,下一棒原本輪到手感火燙的大谷打擊,但卻換上Santiago Espinal代打,最終他也為球隊建功敲安,道奇拉開到7比4領先。
8局上,道奇再靠著Alex Call、Dalton Rushing以及Miguel Rojas的犧牲打,拉開比分來到8比4。不過,海盜沒有放棄,8局下,道奇換上Edgardo Henriquez投球,Tyler Callihan火力輸出,敲出三壘安打,接著Jake Mangum、Rafael Flores Jr.也連續敲長打,將比分追到8比6,不過攻勢也就此打住,終場由道奇以8比6奪勝。
Horn antenna根據MLB官網,道奇總教練羅伯斯(Dave Roberts)透露,大谷翔平是在嘗試盜壘後,感到左膝腿後肌附近疼痛,出於預防考量,決定讓他下場休息,目前仍未排除週五出戰芝加哥白襪的可能性。
責任編輯/陳盈真
本文引用自: https://news.ttv.com.tw/news/11506120000800W
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