寬頻帶系統 的英文怎麼說

中文拼音 [kuānbīndàixìtǒng]
寬頻帶系統 英文
broadband system
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 寬頻 : bisdn
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. Information technology - telecommunications and information exchange between systems - broadband private integrated services network - inter - exchange signalling protocol - signalling atm adaptation layer

    信息技術.系統間通信和信息交換.寬頻帶私人綜合服務網.內交換信號協議.信號atm適應層
  2. In this system two oscillator are used for mixing. pll for high local oscillator and dds + pll for low local oscillator. by making full use of favourable narrow - band tracing filter character of pll and by combining the merits of dds such as super fine frequency resolution, high frequency accuracy, very fast frequency hoping with it, the pll / pll + dds frequency synthesizer presents wide band high quality source and super small frequency hoping step

    系統採用兩次混頻，其中高本振的設計採用pll鎖相環頻率合成來實現，充分發揮了鎖相環頻率合成器的優良特性，實現了系統所要求的高質量寬頻帶本振源；低本振採用pll + dds頻率合成來實現，結合pll優良的鎖相特性與dds的高頻率解析度、高頻率精確度等優點，實現了頻率的小步進高精度合成。
  3. The antenna system has a good characteristic with wide symmetrical beamwidth, broad impedance bandwidth and compact structure

    整個線性漸變槽天線系統具有對稱波瓣、寬頻帶、寬主瓣和結構緊湊等特點。
  4. In this paper, for 2 ~ 2000mhz broadband rf front - end, using subsection processing fixed intermediate frequency superheterodyne architecture, and combining with the actual component ’ s level, a broadband rf front - end system simulation platform is presented, which provided the universal, standardization, and modularization of transmitter and receiver

    本文針對頻率范圍2 2000mhz的寬帶射頻前端，採用分段處理的固定中頻超外差結構，並結合目前的器件水平，建立了一個通用化、標準化、模塊化的寬頻帶射頻前端發射機和接收機系統模擬平臺。
  5. Higher capabilities were put forward for detection, identification and anti - interference of torpedo in future naval battle. compared with the narrow - band processing, wide - band processing is a new direction for underwater signal processing for its advantages including abundant information of wide - band echo and little correlation of reverberation

    未來海戰對魚雷在探測目標、識別目標和反對抗能力方面提出了更高的要求，而寬頻帶回波信號具有攜帶目標信息量大，混響背景相關性弱，利於檢測、識別目標等優點，因此自導系統發展的方向是寬頻帶自導。
  6. 754 horizontal - component digital broad - band records in western north america are processed. the acceleration response spectra are calculated and used as part of the database. the response spectrum values are estimated by the earthquake magnitude definition and are used as another part of the database

    將美國西部地區作為參考地區，對美國南加州地區的數字寬頻帶記錄進行了搜集與處理後作為觀測資料，共754條水平向記錄，與利用震級定義所估計的反應譜值一起，用統計回歸的方法建立美國西部長周期加速度反應譜衰減關系。
  7. Grading standard of quelity for broadband amplifier used in cabled distribution systems primarily intended for sound and television signals operating between 30mhz and 1ghz

    30mhz 1ghz聲音和電視信號的電纜分配系統寬頻帶放大器質量分等標準
  8. In modern wireless communication, high linear broadband amplifer is necessary and play a critical role, and even the whole communication system will be affected by its performance

    隨著當代無線技術的發展，微波寬頻帶放大器已經成為無線通信系統的關鍵組成部分，其性能好壞將影響整個通信系統的性能。
  9. First calculate the math model of each department of the hpvs, and analyze it ’ s character of the scope with frequency in theory, and base on this some different control methods are designed to resolve the system ’ s stability and expand it ’ s frequency band

    首先基於液壓振動系統的數學模型，對系統的穩定性和動態特性加以分析，並在此基礎上設計不同的控制演算法以達到展寬頻帶寬度的要求。
  10. This paper introduced a practical radar type identifying system. this system has been used in a wide - band arm header

    介紹了一種實用的雷達類型識別系統，該系統已被應用於寬頻帶被動雷達導引頭中。
  11. The emc problem of broadband wireless access base station and intersystem frequency interference of 3g communication systems are very important. for these problems, the researches are as follows : firstly, the emc problem of broadband wireless access system was discussed, and the structure and consisting characteristic for different broadband wireless access systems were analyzed. three emc characteristics are summarized as follows : 1

    其中，寬帶無線接入基站的電磁兼容（ emc ）問題以及3g通信系統中的系統間的頻率干擾問題尤為突出，本文針對這些問題進行了下列研究:第一，綜合討論了寬帶無線接入系統的電磁兼容問題，分析了各種寬帶無線接入系統的結構和組成特點，總結了寬帶無線接入系統的三大emc特點: 1 .雷電電磁脈沖（ lemp ）對基站的干擾; 2 .信息設備的寬頻帶輻射干擾; 3 . 3g通信系統中的系統間頻率干擾。
  12. For the application of direct broadcast satellite ( dbs ), a ku - band high image rejection broadband mixer is designed using ads. it appears predominant performances when compared with common single balanced mixer

    針對衛星電視直播接收系統，用ads設計了一個寬頻帶、高鏡像抑制度、低噪聲的ku波段鏡像抑制混頻器，並同普通平衡混頻器進行了對比分析，顯示了其優越的性能。
  13. The results show that the frequency band extension technology using digital deconvolution has feasibility

    研究結果說明數字反卷積展寬數字系統頻帶技術是可行的。
  14. This paper analyses crystal oscillator ’ s character and technique targets, and the changes of these technique targets effect the time of crystal oscillator gives the error mode of crystal oscillator time, by discussing gps system and time service theory, we analyze random character of gps second pulse error. we combine long - time stability of receiver ’ s output signal and short - term stability

    該系統成功地應用於寬頻帶地震記錄儀中，使地震數據記錄的時基精度達到微秒級，可以解決大范圍的地震儀布設應用時的授時和空間定位（經度、緯度、海拔）問題，為地震數據記錄、分析工作提供了與國際標準時間同步的時間基準。
  15. However, performance is limited by the low signal - to - noise ( snr ) and high date rate. a potential solution is to add a strong error correcting code. so studying the error correcting code on uwb system is necessary and worthy

    但是超寬帶信號頻譜寬、功率低且傳輸速率很高，使其更容易受到各種干擾而影響傳輸質量，所以在超寬帶系統中研究通道編解碼技術變得非常必要和有價值。
  16. Traditional control method over body vibration - passive control only can be adapted to single frequency of vibration, which can not meet the requirement of broad frequency band of body vibration. on the other hand, active control over body vibration can adjust certain parameter of control system to get adapted to the change of i. c. engine body vibration, so it is able to reach better control effect

    傳統的整機振動控制方法被動控制只能適用於單一頻率的振動，無法滿足整機寬頻帶振動的要求；而主動控制則可以通過外界能量主動改變控制系統的某些參數來適應內燃機整機振動的變化，因此能達到更好的減振效果。
  17. Computer simulation research on passages flow of airport terminal

    寬頻帶自導演示系統模擬的研究
  18. Optical code multiple access ( ocdma ) communication system is a spectral spreading system. all users in the system share all the bandwidth in the same time. because of the using of the almost infinitude bandwidth in the fiber, ocdma system will become more and more important in future ultra - high speed lan and online computer communication system

    光碼分多址（ ocdma ）通信系統，作為一種擴展頻譜系統，用戶同時共享所有帶寬，因為可以充分利用光纖中的巨大帶寬資源，因此在未來超高速局域網和實時計算機通信系統中將扮演重要角色。
  19. Orthogonal frequency division multiplexing ( ofdm ) is a suitable digital modulation technique for broadband systems

    正交頻分復用（ ofdm ）技術是一種適用於寬帶系統的多載波數字調制技術。
  20. Evaluation method of the link significance of communication network based on reliability index

    針對基於正交頻分復用的超寬帶系統
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