徑向輸送線 的英文怎麼說

中文拼音 [jìngxiàngshūsòngxiàn]
徑向輸送線 英文
radial transmission line
  • : Ⅰ名詞1 (狹窄的道路; 小路) footpath; path; track 2 (達到目的的方法) way; means 3 (直徑的簡稱...
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : 動詞1 (運送; 傳送) deliver; carry 2 (贈送) give as a present; give 3 (伴送; 送別) see sb of...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 輸送 : deliver; supply; carry; transport; convey; feed; transmit; transfer; transportation; delivery
  1. Because of the affection of noise and signal fading, in order to high data rate access and high quality, wireless communication need new technology to improve the link reliability and enhance the spectrum efficiency. mimo ( multiple input and multiple output ) can enhance the spectrum efficiency and increase channel capacity greatly, and reduce the multipath affection without spectrum band and power increasing. the 3th generation mobile communication wcdma is coming, with the purpose of putting mimo, stbc ( space time block coding ), space diversity into practice of wcdma systems, in order to lay the foundation of 3g toward 4g, this dissertation has done some research under this background

    在發射機和接收機使用多個天進行數據傳的多入多出( mimo )技術,可以在不增加帶寬和天功率的條件下,成倍的提高頻譜利用率,提高系統的通道容量,還可以抗多干擾。第三代移動通信wcdma即將到來,為了將多天技術( mimo ) ,空間分集技術,空時編碼技術用到wcdma系統中去,為第三代移動通信第四代移動通信系統平穩過渡奠定一定的基礎,需要做一些理論上的研究。
  2. The name and the code name of the pipeline, pipe material, o. d. and the thickness of pipe, transmitting medium and its temperature, insulator materital and its thickness, the orientation of the pipeline, hight of pipe center

    名稱代號,管道材質、外和壁厚,的介質及其溫度,絕熱層材質及厚度,支吊處管,管中心(管底)標高。
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