通道吞吐量 的英文怎麼說

中文拼音 [tōngdàotūntǔliáng]
通道吞吐量 英文
channel throughput
  • 通 : 通量詞（用於動作）
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 吞 : Ⅰ動詞1 （整個兒地或成塊地咽下去） swallow; gobble; gulp; devour 2 （并吞; 吞沒） take possession ...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
  • 吞吐量 : cargo-handling capacity
  • 吞吐 : 1 （大量進出） swallow and spit; take in and send out in large quantities 2 （含混不清） hem and ...
  1. The article, divided into 3 periods, describes the history of the development of zhujiang river ' s waterway transportation, and gives us a true picture of zhujiang river ' s waterway transportation in the following aspects : societal economy of zhujiang river valley, present conditions of fairway, harbors, ships and supporting & guarding systems such as waterway transportation industry, communication, piloting, and etc. the main contents include the characteristics of zhujiang river ' s layout, the fulfillments of zhujiang river ' s waterway transportation and the quantities of passengers and cargoes that zhujiang river carried, laying emphasis on the conveyance method and characteristics of zhujiang river as a main and important waterway transportation channel, and introducing characteristics of the fairway layout of the zhujiang river, present conditions of fairway grading structure, layout characteristics of the harbors in zhujiang river valley, harbor ' s handling capacity & container harbor ' s present situation, and gross tonnage & layout characteristics of shipping capacity of zhujiang river valley, ships " technical conditions and transportation methods

    論文分三個階段論述了珠江航運發展的歷史沿革。從珠江流域社會經濟、航道、港口、船舶，以及水運工業、通訊導航等支持保障系統等方面論述了珠江航運的發展現狀，分析了珠江水系河流分佈特點，珠江航運生產，客貨運輸量，並重點論述珠江水系水運主通道和重要河道的運輸方式和運輸特點；珠江航道分佈特點、航道等級結構現狀；珠江水系港口分佈特點、港口吞吐量及集裝箱港口現狀；珠江水系船舶運力的總量、結構及分佈特點，船舶的技術狀況、運輸方式等。論文分析了珠江航運發展存在問題及制約因素，珠江航運發展存在的主要問題，一是內河航運建設資金投入不足；二是水資源未得到綜合利用；三是航運管理體制不順；四是技術裝備落後，限制了內河航運優勢的整體發揮。
  2. Based on the analysis of saturation throughput of dcf protocol, the relationship between the packet collision probability and the number of competing nodes is derived. a packet collision probability based estimation ( cpbe ) method is proposed, station or ap can estimates the packet collision probability according to several registe

    為此我們基於dcf協議飽和吞吐量的分析方法，推導了分組碰撞概率與同時競爭通道的節點數的關系，提出了一種簡便的估計競爭通道節點數的方法一一基於碰撞概率的估計方法（ cpbe ） 。
  3. The directional routing protocol ds _ dsr put forward by the author is the improvement of the current protocol dsr, complete routine discovery and maintenance by directional neighbor nodes routing table, source routing and directional steering. the research discovers the application of the directional antenna, compare the omnidirectional antenna can increases the networks " total throughput, obviously reduces the co _ channel interference ( cci ), multiple access interference ( mai ), enlarges the nodes " signal and interference to noise ratio ( sinr ), and because of the high gain of directional antenna can realize the communication with farther distance and less jump, end to end delay can decrease deeply, simultaneously, security of networks can be improved partially, the node energy also can be saved easily by power control

    本文提出的定向路由協議ds _ dsr是基於對現有協議dsr的改進下實現的，通過定向鄰節點路由表、定向源路由和定向搜索來完成路由發現與維護。研究發現，定向天線的應用，相比全向天線可明顯提高網路的總的吞吐量，減少通道干擾、多址干擾，提高信干噪比，且由於定向天線的高增益可實現較遠距離、較少跳數的通信，減少了路由發現時間，這樣大大減小了傳輸時延，網路的整體性能得到了不同程度的提高，同時部分地解決安全問題，通過功率控制還可較容易的實現節能的目的。
  4. In this paper we analyze the characteristics of the source of space data system and give three types of source packet model ; the relationship between m _ pdu multiplexing efficiency and transfer frame completion waiting time has been educed by the analysis of the process of packet multiplexing and frame completion ; then we analyze several key aspects that affect the protocol throughput performance metric to formulate the throughput performance metric of aos packet service

    本文在理論方面，在總結分析空間數據系統信源特徵基礎上，建立三種信源包模型;通過分析包通道復用與成幀過程，得出m _ pdu復用效率與成幀等待時間的關系;探討了三種虛擬通道復用方案;對影響aos協議包業務吞吐量性能指標的幾個關鍵因素加以分析，推導出aos協議包業務吞吐量指標計算公式。
  5. Analysis of improved contention resolution algorithms and throughput over rac

    隨機多址通道沖突分解演算法及吞吐量分析
  6. The protocol opnet models built here could be reused for the simulation of throughput performance of aos bitstream, virtual channel access and other services, for the simulation of delay, channel utilization, and other aos protocol performance metrics, or for the simulation of the performances of high layer protocols ( space network layer, transport layer ) based on the aos space data link protocol

    可以在本課題建立的協議opnet模型基礎上進行aos協議位流、虛擬通道接入等其它業務吞吐量性能模擬，或進行延遲、通道利用率等協議其它性能模擬，或將模型應用於基於aos數據鏈路層的高層協議（空間網路層、傳輸層）性能模擬。
  7. ( 3 ) for the wireless channels subject to several types of fading existing in different time scales, the dynamics of channel conditions are decoupled into two random processes with different mathematic properties in different time scales. two algorithms in this scheme are proposed to dealing with each time scale : the resource optimizer allocates the resource to maximize the total revenue with price fairness and provide qos guarantees to applications, and the slot scheduler exploits the time variability of

    （ 3 ）針對無線通道衰落的多時間尺度特性，將通道條件snr分解到不同時間尺度上，在不同時間尺度上針對不同的衰落特性來設計不同的演算法，完成不同的任務：在大時間尺度（幀）上進行資源分配，面向應用提供qos保證，保持應用間price公平性的情況下，尋求系統總收益utility的最大化；在小時間尺度（時隙）上進行時隙調度，利用各用戶通道容量的時變性，使各用戶獲得比平均通道條件情況下更高的吞吐量。
  8. Combined with the adaptive modulation and coding technology, this algorithm reallocates the residual power by effectively utilizing the discrete modulation orders according to the different priorities of sub - channels under the limitation of quality of service over the block fading channel

    在滿足服務質量要求的前提下充分利用星座圖尺寸的離散性，將殘余功率按照各子通道的不同優先級進行二次分配，並結合自適應調制編碼技術改善低信噪比時的系統吞吐量。
  9. Also, new expression of ser of mqam in frequency selective fading channel with rake combining is obtained, and throughput performance adaptive mqam with rake receiver in multipath rayleigh fading channel is analyzed

    本文還得到了mqam在頻率選擇性衰落通道中採用rake合併新的誤碼率表達式，並對採用rake接收的自適應mqam在多徑瑞利衰落通道中吞吐量性能進行分析。
  10. Analysis and simulation results show that, compared with the ieee802. 11 binary exponential backoff ( beb ) algorithm and other algorithms that have been employed to address the fairness problem, the proposed qbwf algorithm is simpler and practical. also, by choosing appropriate parameters, the qbwf algorithm can effectively improve the channel access fairness and achieve a preferable trade - off between fairness and throughput

    分析與模擬結果表明，與ieee802 . 11標準的二進制指數退避（ beb ）演算法和其它改善通道接入公平性的演算法相比，本文演算法更為簡單實用，且對于合適的參數取值，本文演算法能有效地改善通道接入的不公平性，並能在通道吞吐量的下降和通道接入公平性的改善之間達到一個較好的折衷。
  11. The techniques of the work item, i. e. node b controlled scheduling, hybrid arq, shorter tti, are to improve the performance of uplink dedicated transport channels, i. e. to increase capacity and throughput and reduce delay. cell - level system performance of hsupa is described through the simulation results, including cell throughput of uplink packet service, system delay, capacity, fairness of ues, radio resource occupation and system device utilization

    為了提高wcdma網路傳統的上行專用傳輸通道（ dch ）的性能，即提高覆蓋、吞吐量和減少延時， 3gpp決定開發hsupa技術，提出了增強型的上行專用傳輸通道（ e - dch ） ，這是一條新增的上行專用傳輸通道，專用於hsupa 。
  12. With the increasing of the number of parallel channels, the throughput of system can be improved and the transmission delay can be decreased. at the same time, the buffer of the receiver can be also reduced

    而且通過增加并行操作的子通道數，可以做到提高吞吐量，減少傳輸時延的作用，同時還能降低接收端對緩沖容量的要求。
  13. This set of options lets you assemble the modules into overall solutions so that asynchronous channels between service components and modules can increase the overall throughput and flexibility of the system

    這組選項使您能夠將模塊組裝到整個解決方案中，這樣服務組件和模塊之間的異步通道可以增加總吞吐量和系統的靈活性。
  14. Next, based on the throughput performance of fixed modulation schemes in packet transmission, adaptive modulation with throughput maximization under fading channel is investigated and significant throughput improvement is obtained

    接著，基於固定調制方案的分組傳輸吞吐量性能，本文研究了衰落通道中吞吐量最大化自適應調制技術，該方法可以取得顯著的吞吐量性能增益。
  15. Future mobile communications have to support the transmission of high rate data and multimedia applications in the radio spectrum, which is already extremely scarce. the basic idea of adaptive coded modulation is to maintain a constant throughput by varying the transmitted power level, symbol transmission rate, constellation size, coding rate or any combination of these parameters. thus, without sacrificing bit - error rate ( ber ), these schemes provide high average spectral efficiency by transmitting at high speeds under favorable channel conditions, and reducing throughput as the channel degrades

    自適應編碼調制（ adaptivecodedmodulation ， acm ）的基本思想是在不犧牲系統傳輸性能（比如ber ）為代價的前提下，通過單獨改變發送功率、波特率、編碼方案、碼率、調制方式，或者是綜合改變前面所述的各種參數，在有利的通道條件下，獲得較大的吞吐量，當通道質量下將時，相應地降低傳輸速率，最終達到提高平均頻譜效率的目的。
  16. At the same time, analysis of effects of gaussian distributed and uniform distributed feedback error of the channel fading behavior on throughput performance of adaptive mqam reveals that the obvious throughput loss shall be observed as far as the error exceeds certain limit

    同時，高斯分佈和均勻分佈的通道衰落信息反饋誤差對自適應mqam吞吐量性能影響的研究表明，當誤差超過一定程度時，自適應系統吞吐量性能明顯下降。
  17. In this paper, we create the network, node and process model using opnet software to simulate throughput performance of aos packet service, and choose various combinations of source packet length, transfer frame length and channel error rate to form different simulation scenarios. by analyzing the throughput - packet length, throughput - frame length simulation curves at different channel ber we get the optimal packet length and frame length configurations, and give some advice for the optimization of protocol configuration parameters according to throughput performance metric ; the complete node and process model of aos protocol have been built by opnet software, and a simple network scenario has been built to simulate and verify the validation of the protocol model

    本文在建模模擬方面，用opnet軟體建立模擬aos協議包業務吞吐量性能的網路、節點、進程模型，選取不同的包長、幀長與通道誤比特率組合建立模擬場景進行模擬，得到不同誤比特率條件下吞吐量-包長、吞吐量-幀長關系曲線，經過分析得出最大吞吐量對應的最佳幀長、包長配置，給出以吞吐量性能為指標優化協議配置參數的建議;用opnet軟體搭建aos協議封裝節點模型和各個進程模型，建立簡單網路場景進行模擬驗證協議封裝節點模型的有效性。
  18. 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。
  19. Harq, amc and multi - code in hsdpa have replaced the osvf and power control technology in release99 protocol. in a short time, the ues who are near to nodeb can be allowed to transfer more data with some higher modulation method. it increases the throughput of certain ues, as well as the throughput of a cell

    Hsdpa採用harq 、 amc 、多碼傳輸等技術替代release99中物理通道使用的變擴頻因子（ osvf ）和功率控制技術，使靠近nodeb的用戶在短期內可以得到更多傳輸數據量和更高階的編碼調制組合，提高用戶吞吐量，使系統從短期的變化中受益。
  20. Furthermore, analytical model for adaptive coded modulation is proposed, through which channel snr switching thresholds with the aim of throughput maximization of adaptive coded modulation are obtained with the method of lagrange, and then the average throughput performance of the adaptive system is obtained

    通過建立自適應編碼調制研究模型，本文還應用拉格朗日函數法得到了使自適應編碼調制系統吞吐量性能最大的通道信噪比轉換門限，進而得到自適應系統的平均吞吐量性能。
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