計時通道 的英文怎麼說

中文拼音 [jìshítōngdào]
計時通道 英文
tc timing channel
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 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） ...
  • 計時 : reckon by time; timing; chronography
  • 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
  1. And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results

    接著，對自適應調制系統中的通道估計問題難點，詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然（ ml ）估計和最大后驗概率（ map ）估計演算法，針對平衰落通道，我們模擬了map估計和ml估計的方差與導頻符號長度的關系，模擬結果表明，錯誤方差受多譜勒頻率的變化影響最大，並且對實際的自適應調制系統，導頻符號長度的取值超過20個符號長度時， map通道估計明顯優于ml通道估計。
  2. Abstract : apply computer simulation to the distribution pattern of air - flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances. and the effect of the design of the partition in the air way of the burner on the flow and mixture of gas and air is especially studied. the result shows that the design of partition plays a very important role in strengthening the mixture of gas and air, but increases the loss of the resistance in the air way and the total pressure of the air way in same working conditions needs increasing

    文摘:應用計算機模擬的方法，在不考慮燃燒的冷態情況下，研究了熱風爐燃燒室內的氣流分佈規律.在此基礎上，比較了2種不同設計方案的氣流流動特徵，尤其是研究了燃燒器空氣通道內阻流板的設置與否對空氣和煤氣的流動和混合的影響.結果表明，阻流板的設計對加強空氣和煤氣的混合有著極為重要的作用，同時也增加了空氣管道的阻力損失，在同樣的工況條件下需要提高管道系統的總壓力
  3. To get the wayward whales headed in the right direction, researchers with the sausalito - based marine mammal center planned to play recorded humpback sounds from a boat thursday as the tide goes out, then use more boats lining the channel to try to prevent the two from turning around

    為了讓兩只迷路鯨魚朝著正確方向，梭沙立托地區的海洋哺乳動物中心工作人員計畫周四在退潮時，從船上播放錄好的座頭鯨聲音，並且用許多小船限制通道，以免兩只鯨魚掉頭。
  4. The local network resoure management system is mainly engaged in the lacal network resoure management, at the same time and the network quality managerment as well, also including network line - pipe management, equipment management, configure management, topology management, attemper management and systimatic analysis, the main equipments include pdh, sdh, dwdn, idlc, pon, fwa, adsl, bits etc. by means of the main equipments " s resoure attemper and running state, we can finds out something abnornal in operation, from the whole point of local network, adjusting network is to be made to reach overal optimiztion. ensuring the network operating quality, realizing the the dispatching solution on the basis of network resource management and circuit closed - loop dispatching circulation

    本地網網路資源管理系統是側重於本地網網路資源的管理，同時兼顧網路質量管理。重點網路管線管理、設備管理、配置管理、拓撲管理、調度管理以及統計分析，主要設備包括pdh 、 sdh 、 dwdn 、 idlc 、 pon 、 fwa 、 adsl 、 bits等。通過主要設備的資源配備和運行狀態，該系統發現處理運行異常，從本地網全局的角度調整網路達到整體優化，保證網路的運行質量，在網路資源管理的基礎上，實現調度方案的生成，以及電路通道的閉環調度流程。
  5. The watermark algovithm can resist the physical transfer of printing and scanning by applying techniques such as fixation normalization mutually which can secure the embedding position, chaotic encipher encryption, multipassage embedding and so on. what ’ s more, the watermark designed in this essay is binary image. it can bear a large amount of information

    本文綜合運用了歸一化相關確定嵌入位置、混沌加密、多通道嵌入等技術，使得本文所設計的水印演算法能夠抵抗印刷和掃描的物理轉換過程，同時本文所採用的水印是二值圖像，能夠承載大量的信息。
  6. A channel estimator for multi - carrier system in fast time - varying fading channels

    一種快時變通道下多載波傳輸系統的通道估計方法
  7. Key recommendations and suggestions include blaze - proof lifts, sky bridges linking high - rise buildings and curbs on mobile phones during evacuations. " it would add tragedy to tragedy if we did not learn from 9 11, " said the study ' s leader, professor ed galea of the university of greenwich. galea and his team analysed the written accounts of 250 survivors of 11 september, 2001, and found they show a startling variation in human behaviour

    據英國觀察家報10月30日報道，英國格林威治大學教授加利亞領導的一個研究小組在研究了250名「 9 11 」倖存者的書面報告之後認為，未來超高層建築的設計應該增設防火電梯拓寬逃生通道建設跨樓天橋，以便發生危機情況時有利於人員疏散，樓內人員則應該盡快逃生，而不是把時間耽誤在用手機向親戚朋友報信上。
  8. This paper described a cold gas simulation of solid rocket motor with submerged nozzle. a two - dimension model with rectangular channel was designed, which can simulate different flow conditions at three periods after ignition

    本文從冷流模擬的角度出發，設計了通道為矩形的含潛入噴管發動機冷流模型，可以模擬發動機工作過程中三個不同時刻的流動狀態。
  9. Space - time channel estimation for ofdm systems based on comb - type pilot arrangement

    系統中基於梳狀導頻的空時通道估計
  10. Uplink equivalent space - time multiuser detection for multicarrier code - division multiple access systems

    系統盲空時通道估計及多用戶檢測
  11. Uplink space - time channel blind estimation for space - time coded multicarrier code division multiple access systems

    空時編碼多載波碼分多址系統上行空時通道盲估計
  12. The generalized canonical presentation is proposed, with which space - time channel estimation and interference suppression can be implemented jointly

    提出了廣義正則形式，進行聯合空時通道估計和干擾抑制，並且進行了殘余干擾分析。
  13. Space - time processing for cdma with antenna array is investigated in this paper, which includes space - time channel estimation, beamforming technique, 2d - rake receiver, multiuser detection, space - time multiuser detection and joint estimation

    本文研究了天線陣cdma系統中的空時處理技術，主要包括空時通道估計、波束形成技術、空時2d - rake接收機、多用戶檢測、空時多用戶檢測和聯合估計。
  14. Based on such reasons, in this dissertation, some research on mimo radio channel modeling was done, and we proposed a stochastic mimo channel model which could serve as a generalized mimo radio channel model in mimo technology research

    基於上述原因，本文研究了現有應用環境下mimo無線通信系統的通道建模理論與方法，綜合了一個寬帶統計mimo無線通道模型，可以作為研究mimo無線通信系統的一個通用空時通道模型。
  15. Section 4 researches on pilot symbol aided space - time 2d rake receiver in rayleigh fading channel. two kinds of 2d - rake receivers are proposed, one is the interference zeros force 2d - rake receiver ( zf - 2drake ). simulation results reveal zf - 2drake has the better performance than the conventional 2d - rake receiver

    研究了rayleigh通道下2種導頻輔助的空時2d - rake接收機結構:干擾置零2d - rake接收機（ zf - 2drake ）和基於空時通道估計的時空級聯2d - rake接收機（ spce - 2drake ） ，推導了它們的誤碼率性能。
  16. A method for training a time - domain equalizer having at least one coefficient that includes estimating a channel, initializing the at least one coefficient of the time - domain equalizer, updating the at least one coefficient of the time - domain equalizer with the estimated channel, retaining the updated estimated channel, fixing the updated value of the at least one coefficient of the time - domain equalizer for at least a one - symbol duration, calculating a modulated symbol based on an output of the time - domain equalizer, calculating a second value for the estimated channel based on the modulated symbol, setting the estimated channel to the second value, and repeating the step of updating the time - domain equalizer through the step of setting the estimated channel to the second value until a predetermined condition has been met

    本發明系一種用以訓練一具有至少一系數之時域等化電路之方法，讓方法包含估計一通道；初始化該時域等化電路至少一系數；利用該估計通道來更新該時域等化電路之至少一系數；保留該更新之估計通道；維持該時域等化電路之至少一系數之更新值至少一符號周期固定；根據該時域化電路之一輸出，計算一調變符號；根據該調變符號計算一用於該估計通道之第二值；設定該估計通道等於該第二值；及重復更新該時域等化電路至設定該估計通道等於該第二值之步驟，直到符合預設條件為止。
  17. It consists of two parts : channel modulator ' s controlling system and the receiver ' s controlling system, including the interface designing of the demultiplexer, the controlling of the channel demultiplexer, if modulator, tuner, the setting and transmitting of the system parameters, and the real - time monitoring of the whole system, etc. based on the descriptions of the scheme of bdb - t and the principles of controlling circuits, this paper presents the hardware and software designing methods of the controlling circuits, and realizes a powerful, multifunctional and reliable controlling system which can automatically record the operational states of the system and communicate with other personal computers through a rs - 232 serial interface

    控制系統是實現整個傳輸系統的關鍵部分，它分為通道調制器控制系統和接收機控制系統兩大部分，其中包括了通道解復用器用戶介面設計、對通道解復用器的控制、系統傳輸參數的設置與傳送、中頻調制器的配置、數字調諧器的配置，以及對整個系統的實時監控。本文在闡述了bdb - t方案及其各部分電路的控制原理的基礎上，詳細描述了控制系統的硬體電路設計和軟體實現方法，實現了一套功能完善、性能穩定且具有自動記憶功能的控制系統，同時該系統通過rs - 232串列介面可以實現與計算機的串口通信。
  18. The numeric simulation also shows their capability is superior to that of wavelet - domain replica correlator ( wdrc ). on the other hand, we found that for exploiting the full potential of rci, we must overcome a serious lack of matching. then we propose a multi - hypothesis rci that minimized lack of matching

    另一方面，為了減小rci檢測器與tsd通道之間的嚴重失配問題，在rci基礎上提出了多重假設的rci檢測器，該方法可有效估計tsd通道的擴展時間。
  19. The interleaver with channel spacing of 50ghz is designed and prototype device is achieved. we test experimentally the interleaved spectrum in the c - band which is rectangle with ripple of less than 0. 1 db. and through measuring its time delay, we obtain the character of its dispersion. a novel architecture of 50ghz mfpi interleaver with different passband widths is put forward at first

    2 、設計了通道間隔為50ghz的mgti型interleaver濾波器，獲得了該濾波器的原型器件；實驗得到了該器件在c波段兩組交錯分波的矩形化光譜，其紋波小於0 . 1db ，通過對器件時延的測量，間接獲得了其色散特性；首次提出mfpi型不等帶寬50ghz的interleaver濾波器技術方案。
  20. 199 countries will broadcast live the games held simultaneously in dozens of games sites. the total channels are expected to exceed 500

    2008年北京奧運會同時使用數十個場館進行比賽、訓練， 199個國家和地區進行電視轉播，預計總通道數將超過500路。
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