wide bandwidth 中文意思是什麼

wide bandwidth 解釋
寬帶寬
  • wide : adj （opp narrow）1 寬闊的。 2 廣闊的，廣大的，寬敞的。3 廣博的；范圍廣大的；廣泛的。4 遠離的；（...
  • bandwidth : （帶寬）：電纜，鏈路或系統傳輸數據的能力。
  1. Indoor wireless optical local area network ( wlan ) has advantages of wide bandwidth, strong anti - jamming and good handiness. it is the best resolution for future communications : mobility, personality, and multimedia application, and will have wide applying foreground. how to use the network bandwidth resource fairly and effectively is key to qos guarantee

    在室內無線光通道中，如何公平、高效地利用網路帶寬是保障局域網通信可用性、可靠性和服務質量的關鍵所在，也正是無線光局域網媒質接入控制（ mediumaccesscontrol ， mac ）協議需要解決的核心問題。
  2. In the 21st universiade, beijing telecom, as the only appointed sponsor for data communication and wire communication, provided wide bandwidth wlan wireless internet service

    作為"數據通信與有線通信唯一指定贊助商" ，在世界21屆大運會期間，北京通信為記者和大運會工作人員提供了wlan寬帶無線上網服務，其示意圖見圖1 。
  3. The signal format of gps is analyzed, the principle models and mathematical models are established, the ber performance is analyzed in a channel interfered with wide - bandwidth awgn, narrow - bandwidth awgn, transmitted signal, single - tone signal respectively. based on the results above interference methods are discussed and simulated. then the performance of code acquisition and code trace of a digital gps receiver are discussed. the modem of linkl 1 and link4a are modeled and their ber performances are analyzed and simulated in channel s interfered with awgn, single - tone signal and multi - tone signal respectively

    建立了jtids的收發終端的數學模型，分析它在噪聲干擾、相關干擾、互相關干擾下的誤碼性能，提出較佳的干擾方法和干擾碼型，並進行模擬模擬；分析了gps的信號格式，建立了gps的原理框圖模型、信號數學模型，並對其在寬帶噪聲干擾、窄帶噪聲干擾、轉發干擾、單頻干擾等情形下的誤碼性能進行了分析比較，提出相對較佳的干擾方法，並做了計算機模擬，針對一數字式gps接收機中擴頻碼捕獲與跟蹤環的特性進行分析；建立了link11和link4a數據鏈調制解調數學模型，對它們在噪聲干擾、單音干擾、多音干擾等下的誤碼性能進行分析，最後對干擾情況進行了模擬模擬。
  4. Isar transmits wide bandwidth signals to obtain high range resolution. the cross - range resolution is obtained by the doppler frequency information of the target ’ s rotation

    逆合成孔徑雷達通過發射大帶寬信號獲得好的距離解析度，利用目標相對于雷達的轉動產生多普勒頻率梯度來獲取好的方位向分辨力。
  5. According to the characteristic of ieee 1394 with wide bandwidth, common and real - time, the author put forward ieee 13 94 should be applied into real - time digital video transfer in optics - electronics theodolite. before engineering realization, carried out a video image transfer test on three types of digital video tape recorders and camera with ieee 1394 interface. we found that digital videos without compression transfered under ieee 1394 standard ( transfer from 4. 5m to 100m ), compared with analog videos, have no geometric distortion, and have better luminance, contrast, definition

    作為工程實現前的實驗研究，對三類具有ieee1394介面的數字錄像機和攝像機進行了視頻圖像傳輸實驗，發現無壓縮格式的按ieee1394標準傳輸的數字視頻圖像（傳輸距離從4 . 5米到100米之間） ，較原始模擬視頻圖像在幾何位置信息上沒有衰變，而在亮度、對比度、邊緣清晰度這些方面有明顯的優勢；但是按dvcam壓縮格式（常見于sony公司的系列產品，是5 ： 1的dct幀內壓縮）壓縮的數字視頻圖像，較原始模擬參照圖像有明顯的幾何畸變。
  6. The card chosen must have wide bandwidth as well as good isolation and low offset current

    所選的開關卡必須具有寬帶寬，以及良好的隔離和低偏置電流。
  7. Due to its wide bandwidth, krf laser beam is ready to be homogenized by a method called induced spatial incoherence ( isi ) to generate uniform illumination on target, which is critical to eos measurements. a long pulse is also preferred to get a " cold " acceleration of flyer in impact experiments

    在激光能量30焦耳、脈沖長度50ns 、焦斑直徑300um 、聚焦功率密度8 . 5 10 ~ （ 11 ） w cm ~ 2的條件下，考察了激光對飛片的加速效果、飛片的平面性與聚焦激光的平面性之間的關系。
  8. The arising mechanism and character of leakage current are analyzed. based on these analyses, a high precise and wide bandwidth sensor is developed

    分析了泄漏電流的產生機理和特點，並在此基礎上研製了一種精度高、頻帶寬的泄漏電流傳感器。
  9. With the advantages of high gain and output power, low noise, wide bandwidth as well as no relation with polarization, edfa changes the traditional optical - electrical - optical relay mode step by step in many fields, and becomes an indispensable device in modern optical communication systems. it saves the expensive cost in optical - electrical transition, makes equipment easy to operate and maintain

    由於其本身具有高增益、高輸出功率、低噪聲、帶寬寬、與偏振無關等優點，在很多領域和場合， edfa正逐步取代傳統的光-電-光中繼模式，省去光電/電光轉換的昂貴成本，便於設備的運行維護，成為現代光纖通信系統中不可缺少的關鍵部件。
  10. In this dissertation, a novel m - z high speed modulator is proposed, analyzed, fabricated and measured, employing multiple quantum well ( mqw ) structures and traveling wave ( tw ) electrodes to meet the demand of low voltage and wide bandwidth

    本論文採用行波量子阱結構來設計40ghz的電光調制器。為實現高帶寬，低驅動的要求，本論文著重在量子阱的光學特性和器件的微波特性兩個方面進行了深入的研究。
  11. In all kinds of alternatives, atm based passive optical network ( apon ) has the most promising prospect, which supports broadband service and service transparency. in addition, it combines the advantages of multi - service and multi - bit rate capabilities of atm and the advantages of wide bandwidth and low cost of pon

    在各種可能的接入方案中，長遠看基於atm的無源光接入網（ apon ）是最具市場潛力的接入方案，它支持寬帶接入業務，業務透明，結合了atm的多業務、多比特率技術和無源光接入網的寬帶寬、低成本優勢。
  12. Having the wide bandwidth, flexible, convenient and great safety properties. the wireless infrared communication take a new direction in indoor wireless communication development, and has a great promising application

    室內紅外通信以其寬帶、靈活、方便、安全等特性成為室內無線通信發展的一個新方向，具有良好的應用前景。
  13. Terahertz waves can penetrate through many materials, thus providing a powerful advantage for certain remote sensing applications. terahertz radiation can be used for studying the structure of materials, environmental and pollution monitoring by using terahertz spectroscopy, and ultra - wide bandwidth communication

    太赫茲電磁波亦可穿透許多不同的物質，能大大提升遙感技術的應用效能；同時，亦可應用於物料分析、監察環境污染、提供超寬頻通訊等用途。
  14. This paper introduces the principle of phase - locked loop and analyzes the performance characteristics of pll chip adf4106 which has wide bandwidth and low power consumption. and then introduces the design method of a kind of low phase noise frequency synthesizers which uses single chip processor to control the chip. the application supplies a good design method for high frequency synthesizer

    介紹了鎖相環路的工作原理，分析了低功耗寬帶集成鎖相環晶元adf4106的工作特性，並介紹了一種利用單片機控制該晶元的低相位噪聲頻率合成器的設計方法，討論了環路濾波器的設計，為高頻頻率合成器的設計提供了很好的思路。
  15. Antenna parameters studies are presented and practical design considerations for achieving high gain and wide bandwidth are given. in chapter 4, a novel pifa with high radiation efficiency is designed for a tri - band mobile handset application

    天線印刷線路板的尺寸等參數對天線諧振頻率和帶寬的影響在本章中詳細研究，一個詳細的實際設計例子也在本章中介紹，測試結果表明天線獲得了較高的增益和較寬的帶寬。
  16. The high speed, large capacity, high reliability, intelligence and ip application are the trends of sdh optical transmission system, which has the advantage of wide bandwidth and long distance transmission

    Sdh （ synchronousdigitalhierarchy ）光傳輸系統具有大帶寬和傳輸距離遠等優點，將繼續向高速、大容量、高可靠性、智能化和ip化發展。
  17. The first is the need of wide bandwidth, the second is the high real time need and the third is the gusty data. however, the status of current network is narrow bandwidth, unpredictable delay while transmitting multimedia data, and appearing the phenomenon of losing package

    而當前的網路狀況是網路帶寬不夠高，傳輸多媒體數據時還會有不可預知的延遲，而且目前的網路質量還不可避免地出現丟包現象。
  18. Among them, since the electric field sensor using a mach - zehnder interferometer features wide bandwidth, high sensitivity, and high resolution, its application in emc measurement is experted.

    其中，使用mach - zehnder干涉儀的光波導電場傳感器，因為有著帶寬大，靈敏度高，解析度高等特點，其應用在電磁兼容測試方面更為合適。
  19. Because of its wide bandwidth, small scale and high secrecy, space - to - ground optical communications becomes the optimum solution for space to ground information transfer. it has important meaning and promising prospect

    空-地光通信系統以其容量大、體積小、保密性高等優勢，正適合替代微波作為空-地信息傳輸瓶頸問題的最佳解決方案，具有重大的意義和良好的應用前景。
  20. Vod can be applied not only in the wide bandwidth of telecommunication, but also in the catv and computer network

    Vod技術不僅可以應用在電信的寬帶網路中，同時也可以應用於有線電視網和計算機網路中。
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