b bandwidth 中文意思是什麼

b bandwidth 解釋
頻帶寬度
  • b :
  • bandwidth : （帶寬）：電纜，鏈路或系統傳輸數據的能力。
  1. ( 3 ) in the dy - lamp experiments, we study the spectrum distribution of relative - energy. firstly, it is tested by providing bandwidth and the numbers of the band according as a standard of the solar simulator. the result shows it cannot achieve a standard of the solar simulator that the spectrum distribution of the dy - lamp is simulated the solar spectrum ; however, if according as b standard, then it can attain the request of b standard of the solar simulator

    研究了鏑燈光譜相對能量分佈，首先根據a級模擬器提供的帶寬和帶數對鏑燈的光譜能量分佈進行了測試，測試結果表明，利用鏑燈來模擬太陽光譜達不到a級模擬器的要求；根據b級模擬器提供的帶寬和帶數對鏑燈再次進行測試，並與b級的光譜失配誤差進行比較，結果表明，利用鏑燈來模擬太陽光譜可達到b級模擬器標準。
  2. I will now move onto what steps the industry and the government can do. the terrestrial tv broadcasters are considering the current content protection methods available in the world, such as the broadcast flag used in the states, the high bandwidth digital content protection method, the b - cas card conditional access system used in japan

    地面電視廣播業界正探討著世界各地現行的節目內容防護方法，例如美國使用附加「 broadcastflag 」 （廣播標記）的方法、高帶寬頻數碼內容保護（ 「 highbandwidthdigitalcontentprotectionmethod 」 ） 、日本使用b - cas卡的數位鎖碼系統」 （ 「 b - cascardconditionalaccesssystem 」 ）等。
  3. ( b ) when the depth of the groove is relatively shallow, the helical triangle - shaped helical groove has the widest bandwidth, the least dispersion, and the fastest phase velocity

    （ 2 ）當槽的深度較淺時，三角形螺旋槽的通頻范圍最大，且色散最弱，其中波的相速和群速最大。
  4. This thesis begins with hfc network theory and docsis, analyses modulation / demodulation process of data communication in hfc. then, several theories are analysed including qam ( quadrature amplitude modulation ), nyquist root square filter, fec ( forward error correction ), map ( bandwidth allocation map ). and digital signal transmission involved the other important international standard ? itu - t j. 83 annex a / b, is discussed

    本文從hfc網路理論和docsis協議入手，分析了hfc數據通信的調制解調過程，對qam調制、奈奎斯特均方根濾波器、前向糾錯（ forwarderrorcorrection ，簡稱fec ） 、 map通信等進行了闡述；還從中探討了電纜數據機需要用到的另一個國際標準ituj . 83annexa / b所設計的mpeg信號的數字傳輸。
  5. This paper opens out this system combining spm technology with vr technology on network, analyses the characteristic of the long - distance simulation training system inside and outside and in being spm training system, and for the first time brings forward the exploiture client end with java3d in b / s structure at home. the system offers the mutral interface for the longdistance users, the construction and the display of dimensional virtual scene, the inter - operation and the range of the scene, and so on. and it solves bandwidth of network and favorable interoperability problems well in the long - distance training

    該系統將spm技術與網路虛擬現實技術相結合，分析國內外遠程模擬培訓系統特點，以及現有的spm培訓系統，在國內首次提出b s體系的客戶端用java3d進行開發，提供與遠程用戶交互的界面和介面、三維虛擬場景的構造和顯示、場景的交互操作和漫遊等，很好地解決了遠程培訓所必須具備的網路帶寬和良好的互操作性問題， java3d這一新技術的應用使本系統呈現出嶄新的面貌。
  6. ( b ) the linear fluid model is used to study the conductor - centered helical groove twt. we have analyzed the effects of the beam parameters on the gain and the bandwidth of the twt

    （ 2 ）我們用線性理論模型研究了具有中心導體軸的矩形螺旋槽行波管內的注-波互作用特性，對電子注參量對小信號增益和帶寬的影響進行了分析。
  7. In the far field impsar application or if the relative bandwidth of the system is not very large, w - k is also equivalent to b - p

    在小積累角或遠場條件下， -演算法與b - p等效。
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