通用接入碼 的英文怎麼說

中文拼音 [tōngyòngjiērùmǎ]
通用接入碼 英文
universal access number uan
  • 通 : 通量詞（用於動作）
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 入 : Ⅰ動詞1 （進來或進去） enter 2 （參加） join; be admitted into; become a member of 3 （合乎） conf...
  • 碼 : Ⅰ名詞（表示數目的符號或用具） a sign or object indicating number; code Ⅱ量詞1 （指一件事或一類的...
  • 通用 : be in common use; be current; apply or be used universally
  • 接入 : insert; join up; switch on; cut over; turn on; switch in; reset; put in; place in; cut in; throw ...
  1. The design built the wireless lan application platform with the modes of switching in the wireless lan and bar - code scan technology of wireless hand terminal ; made ap switch in warehouse exchanger by lineate method to get in lineate lan of the corporation, and joined the wireless lan into lineate lan by the wireless hand terminal communication to ap with protocols

    整個硬體環境設計採用了無線網路接入方式和無線手持終端、條碼掃描技術建立無線網路應用平臺， ap以有線方式接入立體倉庫交換機與企業有線網路接通，無線手持終端通過協議與ap通信實現無線網路與有線網路連通。
  2. With the established rf front - end system simulation platform, adding the digital modulated baseband signal, this paper simulated the multifold digital modulated signal ’ s transmission, such as 2ask, qpsk, and 16qam. then researches of power compression and phase noise of local oscillation influence the bit error ratio for different modulated system. the designing is satisfied multifold functions request with the high - powered and integrated broadband rf front - end

    隨后在建立的寬帶射頻前端通用模擬平臺上，加入基帶數字調制信號，對多種數字調制格式的信號在該通用平臺上的傳輸作了研究，模擬了2ask 、 qpsk和16qam等調制格式信號的發射與接收，研究了功率壓縮和本振相位噪聲對不同調制的誤碼率影響，實現了滿足多種功能要求的寬帶高性能綜合射頻前端的設計。
  3. Giving the goal and conceptual design, this paper pays attention to expatiate how to practically use the techniques of image - processing, communication and recognition in remote image monitoring system, and discusses how to realize the key techiques such as terminal connection and frame design, platform decoding control and alarm, image communication and track, etc. in order to overcome most existing image monitoring systems " shortages - those systems are at low intelligent level, need overfull manual work and ca n ' t work all day, this paper has adopted the advanced image code / decode technology and digital image transmission technology, and has applied the intelligent image processing and recognition technique to the display, adjust and track of images

    本論文在設計圖像監控系統的建設目標和總體方案的同時，重點闡述了圖像處理、通信與識別技術在遠程圖像監控系統中的應用實現，給出了圖像監控系統中的終端接入和框架設計、雲臺解碼控制與報警、圖像通信和圖像跟蹤等關鍵技術的實現。針對現有的圖像監控系統大部分採用人工為主，機器為輔，智能化程度低，不能全天候工作的現狀，本文採用先進的數字圖像壓縮編解碼技術、數字圖像傳輸技術，將智能圖像處理與識別技術應用於圖像的顯示、調整、跟蹤，克服了一般監控系統要求監控人員過多地干預、智能化程度低的缺陷，並總結了其特點和優勢。
  4. We study the cost of metro wdm in two aspects in chapter 2. for the aspect of components, a bidirectional optical add - drop multiplexer ( boadm ) using fiber gratings and circulators is designed, and is cheaper, simple and appropriate compenent for single - fiber bidirectional ring networks ( sfbrn ). for the aspect of network, after study the traffic - grooming problem and the cost of wdm ring networks, a layered network with a multi - hubs is presented to reduce the total number of the network ports

    在第三章，我們搭建了一個可以實現多業務單纖雙向傳送的sdh wdm網路平臺，以單根50km光纖作為物理媒質，以mux demux的為單纖雙向復用器件，以sdh wdm為傳輸手段，採用mstp技術，通過接入vlan模塊建成一個單纖雙向傳輸的局域網，並以此為基礎通過接入圖像編解碼器實現單纖雙向視頻傳輸，為城域寬帶接入網的多業務實現提供了範例。
  5. Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section

    在第三章介紹無線光接入系統的光收發單元，採用多孔徑卡塞格倫式的收發天線對消除減小大氣湍流影響有較大作用，針對大氣通道的特點無線光系統收發單元在光源、光探測器、前置放大電路上存在許多有別于光纖通信的技術，同時還闡述了光接收機包括背景噪聲的噪聲機制和接收靈敏度、誤碼率等指標，最後給出了一個整個傳送鏈路的功率預算。
  6. The paper discusses the part of asic design of tcm ( trellis coded modulation ) in hdtv 8vsb terrestrial channel broadcasting receiver chip. in testing, the tcm can improve the signal - to - noise by 3. 3db compared with uncoded 4 - vsb modulation, and with the 12 path intrasegment interleaving in tcm coding and viterbi decoding, system can control short burst noise error efficiently

    在高清晰度電視通道接收晶元中內碼是8 ? vsb的格狀編碼，在系統性能上使用tcm編碼要比未編碼有3 . 3db的編碼增益，另外在格狀編碼中加入了12路的內交織，可有效的抑制短的突發噪聲對接收端viterbi解碼性能的影響。
  7. So it is appears important to analyse capability of this structure, the people can compute all kinds of complex structure ’ s response under different sorts of exact load on current software, but the source program of the computing question, which is “ black box ”, on the contrary, fepg can get the source program, which can provide preference for the optimization of structure, even embed in the optimizing program and save much time of compiling program, linking to ga to identify the load can get the good result. so the problem is solved to alleviate the deadweight and the optimize design of the structure, as well as improve its secure capability

    對格柵結構進行力學分析就顯得至關重要，盡管利用通用有限元軟體能夠計算結構承受任意可以準確描述的載荷作用下的響應問題，但內部計算卻是「黑箱」操作，利用fepg可以得到計算源代碼，能夠為優化程序提供參考甚至可以嵌入其中，節省繁瑣的有限元計算編程內容，結合遺傳演算法進行載荷重構，往往會收到很好的效果，這就解決了由於工作環境比較復雜，引起響應的載荷難以直接測量得到的難題，從而為結構優化設計和提高安全性能的提供了保障。
  8. Optical code division multiple access ( ocdma ) technology possess the characteristics of combating interference, high frequency efficiency, security, and simply network protocol, random access, so it is competitive to apply ocdma to wireless optical access network

    光碼分多址（ ocdma ）技術具有的抗干擾能力強、頻率利用率高、保密性好、網路協議簡單、支持隨機接入等優點，將其應用到無線光接入網中，不僅具有cdma技術的優點又保持了無線光通信的優點，實現二者優勢互補。
  9. The target is that it begins with the information of the graph ( based on pdm ) used to directly depict parts, being supported by the currency cad / cam system, receiving the producing information by interact with manual, matching the cutter with expert system, building the data of the cutter location ( cl ) by account, finishing the optimising arrangement, creating the nc program for the numerical control system of the fms - ii of sheet metal by the post system, automatically processing the produce by the nc machine tool according to the cl, and then realizing the opening integration of the system of cad / cam system of the fms - ii for sheet metal, basing on pdm

    為了解決這些問題，需要重新開發fms -的cad cam系統，目標就是從基於pdm下的通用cad系統提供的圖形信息直接描述零件開始，人工交互方式輸入加工信息，由專家系統的推理機實現自動配模，經計算產生刀位文件，優化排料后，再針對鈑金fms -的數控系統，後置處理生成相應的數控加工程序，數控機床根據加工程序代碼自動完成加工，從而實現鈑金fms -的cad cam系統基於pdm下的開放集成。
  10. Conventional detector ( single - user matched filter ) distinguishes each user by the crosscorrelation of their spread - spectrum codes. in practice, however, its performance is much deteriorated due to the existence of noise in channel and strong multi - access interference, i. e. near for effect. a new method using independent component analysis is proposed in this paper. the - received energy of signals is controlled effectively, thus the near - far effect is overcome as much as possible ; moreover, the effect that noise imposed on the detector is mostly reduced. simulations verify the effectiveness of this method

    傳統檢測器（單用戶匹配濾波）利用擴頻碼之間的互相關特性來區分各用戶信號.而在實際應用中，通道噪聲和近距離用戶對遠距離用戶的強多址干擾即遠近效應，使得接收機的性能受到很大影響.本文將獨立分量分析法引入傳統接收機，有效控制接收信號的能量，從而極大地提高了接收機的抗遠近性能，同時噪聲的影響被盡可能消除.模擬結果表明了該方法的有效性和可行性
  11. Proposes a novel channel estimation algorithm for multi - carrier code division multiplex access ( mc - cdma ) systems on the uplink

    摘要提出了一種新穎的適用於多載波碼分多址接入（ mc - cdma ）系統上行鏈路的通道估計演算法。
  12. Cdma ( code division multiple access ) is a promising technology for future mobile communication system because of its several features with which other multiple access technology can not compare : higher efficiency of frequency allocation, robust anti - multipath effect, macro diversity, mitigating interference, soft capacity, low power, soft handoff, simple frequency design, easy access, and so on

    碼分多址接入（ cdma : codedivisionmultipleaccess ）方式以頻譜利用率高、抗多徑、抗干擾、軟容量、低功率、軟切換、宏分集、頻率規劃簡單、用戶接入方便等其它多址技術不可比擬的優越性被認為是未來移動通信系統的理想接入技術之一。
  13. Cdma ( code division multiple access ) is one of the promising technology for futufe mobile conununication system because of its several featurs with which other multiple access technology can not compare : higher efficiency of frequency allocation, robust ani - multipath effect, macro diversity mitigating intefference, soft capacity low powet, soft handoff simple frequency design, easy access, and so on

    碼分多址接入（ cdma ： codedivisionmultipleaccess ）方式以頻譜利用率高、抗多經、抗干擾、軟容量、低功率、軟切換、宏分集、頻率規劃簡單以及用戶接入方便等其它多址技術不可比擬的優越性被認為是未來移動通信系統的理想接入技術之一。
  14. At the mean time, the building of the system is the fastest and the best convenience. the scdma making use of radio connection technology of scdma have advantage of high radio frequency ratio, good secrecy and long distance of transport under lower transmitter frequency

    Scdma無線接入通信系統採用同步碼分多址（ scdma ）無線接入技術，具有無線頻譜利用率高、通信保密性好和低發射功率下較遠的通信距離等技術優勢，是一種優秀的無線接入通信技術。
  15. Optical code division multiple access ( ocdma ) is a communication mode which introduces the code division multiple access ( cdma ) technology into optical fiber communication system. besides providing asynchronous communications access, ocdma system has many advantages, such as high capacity, security against interception, suppression of narrow band disturbances, capability in forming variable bit rate networks and multi - rate networks. it implies a great challenge for the development of future communication networks, especially all optical networks

    光碼分多址（ ocdma ）是將碼分多址（ cdma ）技術與大容量的光纖通信技術相結合的一種通信方式，其主要優點表現在如下幾個方面：允許多個用戶隨機地接入同一通道：可構成真正「透明」的全光通信網路；具有良好的安全性；允許可變速率或多速率傳輸，並可同時提供多種業務支持；具有優良好的抗干擾能力，並能夠充分地利用石英光纖的可用帶寬。
  16. Universal access number uan

    通用接入碼
  17. Synchronous cdma ( scdma ) system is a wireless communication system using smart antenna, synchronous cdma, swap ? ( synchronous wireless access protocol ) and it is implemented on software radio architecture

    Scdma （同步碼分多址）系統是使用智能天線、同步碼分多址和swap ~ （ tm ） （同步無線接入信令規范）信令、用軟體無線電實現的無線通信系統。
  18. Based on 00 techniques and uml, the toolkit improves the capabilities of software reuse with dssa techniques and 00 developing environments, and offers several direct supports to the software development for crucial applications. the uml and rational rose realtime have been extent using techniques such as modeling, operation supporting, code generating, model supporting, and so on. a component model and a component - based developing tool set for crucial applications are provided in the toolkit

    此項目面向指揮控制領域、基於特定域軟體體系結構（ dssa ）技術與構件化技術，對rationalroserealtime和uml進行嵌入式擴充，解決了在通用商品化軟體開發環境中進行模型擴充、操作擴充、代碼生成機制擴充、支撐機制擴充等一系列關鍵技術，研製開發出嵌入rationalroserealtime的構件模型和構件開發工具集，使得這樣的開發環境對指揮控制系統提供更為直接、有效的軟體開發支持和軟體重用支持。
  19. G. shdsl dsu is a tdm mode, ram line code based cpe designed to be interoperable with the existing and future dslam or multi - service access system in the market

    Shdsldsu是基於tdm模式和pam線路編碼的用戶端設備，可與市場上現有和將來的dslam或多服務接入系統互通。
  20. Concerning with the direct sequence ( ds ) cdma system, this thesis focuses on several issues related to orthogonal spreading sequences and amc, including correlation properties of orthogonal variable - length spreading sequences and their effects on ds cdma system performance, performance of multicarrier ( mc ) ds cdma system with generalized orthogonal ( go ) sequences, adaptive modulation with throughput maximization, performance of adaptive turbo - qam coded modulation in generalized fading channel and performance of amc in wcdma high speed downlink packet access ( hsdpa )

    針對直接序列碼分多址（ dscdma ）系統，本文主要研究了正交擴頻序列和自適應調制編碼若干問題，包括正交變長擴頻序列的相關性及其對dscdma系統性能的影響、採用廣義正交（ go ）序列的多載波直接序列碼分多址（ mcdscdma ）系統性能、吞吐量最大化自適應調制、自適應turbo - qam編碼調制在廣義衰落通道中的性能，以及wcdma下行分組接入（ hsdpa ）中自適應調制與編碼性能五個方面。
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