通信傳輸時間 的英文怎麼說

中文拼音 [tōngxìnzhuànshūshíjiān]
通信傳輸時間 英文
usage time
  • 通 : 通量詞（用於動作）
  • 傳 : 傳名詞1 （解釋經文的著作） commentaries on classics 2 （傳記） biography 3 （敘述歷史故事的作品）...
  • 輸 : Ⅰ動詞1 （運輸; 運送） transport; convey 2 [書面語] （捐獻） contribute money; donate 3 （失敗） l...
  • 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...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 通信 : communication; communicate by letter; correspond
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. In the third chapter, with a view of the real - time and reliability and the saving of system resource, the system of asynchronous serial communication is designed successfully based on the multi - thread technology and message mechanism with delphi developing tool, the communication is very well between the greasers and the pc

    第三章以實時性、可靠性以及系統資源節約為著眼點，採用delphi作為編程語言，成功的設計了基於多線程與消息機制的通信系統，實現了現場加油機和后臺管理機之間及時可靠的數據傳輸。
  2. Shortwave channel is time varying transmission channel. it has dispersion in frequency and time domains. this characteristics hinds the data transmi - ssion at high speed and the correction of received data. in this dissertation i have analyzed the statistic characteristic of shortwa - ve channel, established the model of shortwave channel and simulated the rayl eigh fading distribution. the technology of spreading spetrum has been proved that it has the capability for anti - multipath and discerning multipath

    在短波通信中，由於通道的時間色散和頻率色散，引起多徑展寬和多徑衰落，前者限制了數據的傳輸速率，後者造成短波數據通信中出現突發錯誤，為了解決多徑效應對短波通信的影響，本文所做工作如下：首先詳細分析了短波通道的統計特性，建立其數學模型；其次分析了擴頻通信的特點，從理論上證明擴頻技術不僅具有抗多徑干擾能力，而且具有分離多徑的能力；介紹了傳統的rake分集合併技術的特點。
  3. When the join - structure is suspended, suspension state message between the two suspension points should be exchanged and the digital suspension controller will communicate with the sensor. this function is realized by rs - 485 serial communication

    在對搭接結構進行懸浮控制時，兩個懸浮點之間需要實時交換狀態信息，並且傳感器與數字懸浮控制器之間也要傳輸數據，兩類信息交換是通過rs - 485串列通信來實現的。
  4. Chapter 4 studies scheduling algorithm of the core node to implement on single adsp2191. the result shows that a single adsp2191 chip can ’ t satisfy the bhp processing delay request and parallel processing is inevitable. chapter 5 primarily studies the core node ’ s scheduling algorithm with many dsp parallel process. details of lauc - vf scheduling algorithm analysis data flow organization and mission distribution are argued. the results of software simulation and hardware debugging indicate that many dsp parallel processing is effective and coincident with the system ’ s demand

    結果表明單片adsp2191晶元不能夠滿足核心節點對bhp的實時處理要求，必須多dsp并行處理。第五章研究了核心節點調度演算法的多dsp并行處理。對多bhp批調度演算法的實現進行分析，探討了多bhp處理任務的的劃分和分配方案;多dsp間數據通信和傳輸的dma實現;最後對多處理器并行的處理時間進行模擬測試分析。
  5. Section ii describes the design approach and implementation of speech module on mcf5249 coldfire core. the speech codec optimizes g. 729a codes and added voice activity detection of g. 729b to save bandwidth ; the implementation of acoustic echo cancellation uses nlms algorithm and it can reduce echo though designing adaptive fir filter and speech detector ; the dtmf and cpt generate signal using two second order digital sinusoidal oscillators and detect signal by picking up the frequency information. but only get the frequency information is not enough in cpt detector, this thesis introduces a method

    其中對語音編解碼器的設計採用優化g . 729a代碼達到設計要求，並在此基礎上加入g . 729b的靜音檢測模塊，以進一步降低網路傳輸帶寬;對回聲消除器的設計採用nlms演算法，通過設計自適應fir濾波器和語音檢測器達到回聲消除目的;對雙音多頻設計，信號發生端採用構造靜態參數表並通過二階正弦振蕩器產生信號，信號檢測端提取頻率信息以檢測信號;對呼叫進程音設計，除了類似雙音多頻的信號發生及頻率檢測設計外，還需要檢測信號持續時間，作者設計了一種基於匹配狀態表的方法以檢測信號持續時間。
  6. Thispaperhasstudiedonthedatalinkinterfacetechniqueoftacticalcontrolsystem. firstof all, functional requirement and the important role of data link interface in tactical controlsystem is introduced ; secondly, with object oriented method, the characteristic of uav taskcontrol process is analysed, and then uav task control information model is established, anddata link interface standard of tactical control system is designed based on this model, including message format and transmission mechanism ; thirdly, data link control module isdesigned based on embedded linux operating system and has realized conversion betweendata link standard interface and the private interface of uav data link ; and then, combinationreal time corba middleware and its event channel, data link control modular componenttechnology is studied, and realization scheme is put forward ; finally, demostration is madebased on prototype of tactical controlsystem, which verify the validaty of data link interfacestandardandembeddeddatalinkcontrolmodules

    本文對戰術控制系統中的數據鏈介面技術進行研究:分析了數據鏈介面在戰術控制系統中的功能需求;採用面向對象的方法，分析無人機任務控制問題，建立了無人機任務控制信息模型，並基於該模型設計了數據鏈介面通信協議，包括報文格式和傳輸機制;基於嵌入式linux系統設計了數據鏈介面控制模塊，實現了數據鏈標準介面與無人機數據鏈私有介面之間的相互轉換;結合實時corba中間件及其事件通道，研究了數據鏈介面控制模塊組件技術，並給出了實現方案;通過戰術控制原理實驗系統的演示實驗，驗證了數據鏈介面通信協議和嵌入式數據鏈介面控制模塊的有效性。
  7. One of the key technologies of deep space communication is channel code. there are differences between deep space communication and the common space communication. because the former one has some characteristics, such as extending information transmission, and seriously reducing signal energy, it is necessary to ensure the information transmission band and the exactness by using the special means

    通道編譯碼是深空通信中的關鍵技術之一，深空通信與一般的空間通信不同，深空通信具有信息傳輸時延大、信號能量衰減嚴重等特點，必須有特殊的手段保證其信息傳輸的帶寬和準確。
  8. Another main information stream in the rums is control information based on image transfers between the industrial workstation and remote users and some potential clients. the riims provides means such as web to monitor remote industrial workstation

    在基於圖像傳輸的間接控制信息流方面：系統打通管理信息網與控制網路的界限，實現各級控制調度站和需要監控信息的用戶以web等方式實時對工控主機進行遠程圖像監控。
  9. 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。
  10. In this paper, the mutual information theory and non - linear hydrodynamic theory are mainly used in our studies. based on a large amount of experimental data, different signals of six channels are analyzed together at wide operation gas velocities. in the view of mutual information, information transport series between six channels are computed

    研究從互信息的角度出發，分析計算了六個通道兩兩之間的信息傳輸時間序列，得到了傳統的單參數檢測所不能提取的信息，從新的角度認證了氣固流化床系統的非線性本質。
  11. The proposed md mesh - based motion coding methodis then combined with the pairwise correlating transform, and acomplete md video coding scheme is proposed. further measures are takento reduce the mismatch between the encoder and decoder that occurs whenonly one description is received and the decoder reconstruction isdifferent from the encoder. the performance of the proposed scheme isevaluated using computer simulations, and the results show, compared toreibman s md transform coding mdtc method, the proposed schemeachieves better redundancy rate distortion performance

    數據重傳必然會引起延遲，因而在需要很短延遲的應用中是行不通的，如雙向無線通信同時在以廣播方式進行數據傳輸時也是行不通的當有大量突發錯誤時，糾錯碼如分組糾錯碼block code及卷積碼convolutional code無法在不產生額外延遲及需要額外運算的前提下對數據提供足夠的保護而錯誤掩蔽的性能則受接收到數據與丟失數據之間的殘留相關性大小的影響。
  12. In mobile communication and high - speed wireless digital communication, multi - path, the finity of channel bandwidth and faultiness of the channel, lead to the bringing of intersymbol interference ( isi ) when data transfer. this is an important factor that degrades the performance of communication. however channel equalization technique can eliminate the isi and noise, it can also reduces the bit error ratio

    在移動通信及高速無線數據通信中，多徑效應和通道帶寬的有限性以及通道特性的不完善性導致數據傳輸時不可避免地產生碼間干擾（ isi ） ，成為影響通信質量的重要因素，而通道的均衡技術可以消除碼間干擾和噪聲，並減少誤碼率。
  13. With the characteristics of large ambient noise, very narrow bandwidth, low carrier frequency, great propagation latency and time - space - frequency variant multipath effect ( mpe ), the stochastic ocean channel has demonstrated the greatest complexity and difficulty for underwater acoustic wireless communications. among them multipath effect ( mpe ) is the most difficult obstacle that results in signal fading and inter - symbol interference ( isi )

    但是噪聲高、帶寬窄、載波頻率低、傳輸時延大、多途徑效應隨時間?空間?頻率變化等通道特性都會給有效、可靠的水聲通信帶來很大的麻煩，其中多途徑效應是最主要的困擾因素，它會導致信號幅度衰落和碼間干擾。
  14. The 3rd generation ( 3g ) mobile communications system and part of the 2nd generation ( 2g ) mobile communications use pn sequences or walsh codes as spread codes, and their system capacities are limited by the multiple access interference ( mai ) from asynchronous transmitted signals

    採用pn序列和walsh碼進行直序列擴頻的第三代和部分第二代cdma移動通信系統，其容量受到異步傳輸時多址干擾的限制，其數據率因在n個碼片的時間內只能傳輸一個數據符號而受限。
  15. Considering the payload when transmitted in gaussian channel according to information theory, the system builds up a mapping relationship between image space and watermarking space, and achieves the trade - off between theoretic capacity, robustness and perceptual distortion

    考慮高斯通道傳輸時信息理論的容量，系統建立了圖像空間和水印空間的影射關系，實現了水印系統應用時的理論容載、魯棒性和人類感官之間的一種平衡關系。
  16. However, there are some questions about instant messenger : firstly, instant messengers existed ca n ' t support to draw instantly graphs for communicating with others because there is no environment to draw graphs in the local computer in instant messengers. secondly, or can do it, but for transferring too large picture encode data, the instant messengers are only running in local area networks, not in internet

    現有的即時通信系統在支持圖形即時雙向交互方面還存在著如下問題： （ 1 ）不能支持基於圖形的即時通信，在即時通信系統中缺少即時繪制圖形的環境，只支持基於文字、文件、語音和視頻的通信； （ 2 ）部分支持基於圖形的即時會話的系統，傳輸的數據是圖像壓縮數據，單位時間內傳輸的數據量大，不適合在開放網際網路上廣泛使用。
  17. In digital microwave communication, inter - symbol interference ( isi ) is inevitable because of multi - path fading, finiteness of channel bandwidth and faultiness of channel

    在數字微波通信中，多徑效應和通道帶寬的有限性以及通道特性的不完善導致數據傳輸時不可避免地產生碼間干擾（ isi ） 。
  18. On the basis of mutual information and nonlinear theory, we analyzed the different time serials of six channels at different regimes and got the information transform matrix ( itm )

    在互信息與非線性理論的基礎上，本文針對不同流型狀態下的多通道采樣時間序列進行分析，得到了信息傳輸itm矩陣。
  19. In recent years, with the development of communication technologies, digital protection devices are also improved. in this paper, the communications that are used in digital protection device and the protocol they followed are studied. as a kind of field bus technology, can ( control area network ) is applied to the communications of double mcu, which has higher reliability and strong transmission ability

    同以往的通信技術相比， can信號傳輸採用短幀結構，每幀的有效位元組數為8個，因而傳輸時間短，受干擾的概率低，當節點嚴重錯誤時，具有自動關閉的功能，以切斷該節點與總線的聯系，使總線上的其他節點和通信不受影響，具有較強的抗干擾能力。
  20. Considering the special demand of substation ' s bay unit and the characteristic of can2. 0b protocol, a high effective and reliable functional protocol is formulated to fulfill the request of real - time of system

    同時，根據can2 . 0b協議的要求，制定出符合變電站間隔層通信特點的can總線應用協議，具有可靠性好、傳輸效率高的特點，滿足了變電站自動化系統對通信的實時性要求。
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