無誤差傳輸 的英文怎麼說

中文拼音 [chāzhuànshū]
無誤差傳輸 英文
error free transmission
  • : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
  • : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • : 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)...
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • 誤差 : error
  1. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制方式( 16qam和4 - qpsk )進行了模擬工作並給出了模擬結果,同時討論了碼元同步定時對鎖相環路工作的影響並根據流星通信中使用變速率時鎖相環路的載波同步性能進行了測試;然後在基於軟體線電思想的數字處理平臺(該數字處理平臺實現了中頻數字化)上用dsp軟體完成了載波的相位跟蹤。
  2. However, video communication can tolerate some kind of data error or loss and different parts of video bitstream have unequal error sensitivities. so we need new error control methods designed especially for video communicaton

    同時視頻數據能夠容忍一定的碼和丟失,並不需要絕對的,而且視頻數據流的不同部分對錯的敏感度也不同,因此有必要也有可能根據視頻通信的特點研究新的錯控制方法。
  3. First of all, we bring forward the basic project of tadil, which adapts to combined operations. it is suggested to use tdma ( the abbreviation of time division multiple access ) as the working pattern and utilize the concept of mobile ad hoc network to construct the data link network. aiming at the impact of time delay on data link and the characteristic of cooperative combat under the command of director aircraft, this thesis applies a kind of kalman filtering algorithm in polar coordinates to compensate the error of time delay, and then does the transformation of target motion parameters to obtain the current information of target

    本文結合空軍裝備部某「十五」預研課題,圍繞著戰術數據鏈、多機協同多目標攻擊、超機動攻擊、空對地攻擊這四個方面展開了一系列的研究工作:本文首先給出了適應三軍聯合作戰的戰術數據鏈系統的基本方案,建議採用時分多址的工作模式,並利用移動自組織網路的概念構建數據鏈網路,同時針對數據鏈信息的時間延遲特性和指揮機指揮下的多機協同作戰特點,應用一種極坐標系下的卡爾曼濾波演算法對該延遲進行補償,並在此基礎上進行目標運動參數的轉換,以獲得目標相對于某人機的當前運動信息,且利用模擬驗證了方法的有效性。
  4. The future wireless mobile communication systems are expected to provide ubiquitous, high - quality, and high - rate mobile multimedia transmission. however, hostile multipath fading radio conditions give rise to serious inter - symbol interference ( isi ) ; even worse, wireless channel are often time varying, which makes the system more vulnerable and more difficult to track the channel state. orthogonal frequency dvision multiplexing ( ofdm ), which is inherently resistant against isi, has invoked a popular research interest in recent years, and has been a promising candidate technology of the physical layer for future weideband high - date - rate wireless communications. notwithstanding, ofdm is much more vulnerable to errors of both time and frequency synchronization and to that of channel estimation, and how to obtain correct timing and channel estimation efficiently is highly critical to ofdm systems. the dissertation will focus on both of the aspects of ofdm systems mentioned above

    但是線環境的多徑特性造成通信系統中嚴重的符號間干擾,同時線通道的時變性使得通道特性跟蹤復雜。而正交頻分復用技術( orthogonalfrequencydivisionmultiplexing , ofdm )正是一種解決符號間干擾的有效手段,因此ofdm技術作為未來寬帶高速率線通信的物理層候選技術在當前引起了一股研究熱潮。但ofdm系統對定時同步和通道估計非常敏感,如何在ofdm系統中準確快速地實現符號同步和通道估計是至關重要的,本論文將重點針對這兩個問題進行討論。
  5. The remote measurement system of the torque was designed, used wireless transmitter and receiver devices to transmit the signals, avoiding the errors which brought by slip ring, and solving the problems that are the space narrowness or connecting difficulty for the moving objects

    設計了扭矩遙測系統,使用線發射接收裝置進行扭矩信號的,避免由集流環數據時帶來的,而且解決了空間狹小或是被測物體處于運動之中而導致引線困難等問題。
  6. The congestion, packet lose and transmission error is an inherent problem with internet and wireless mobile video communication system, the techniques of error control and concealment is necessary to this video encoding and decoding applications

    對于因特網和線移動通道等環境,擁塞、分組丟失和通道錯是不可避免的,各種錯控制和隱藏技術成為視頻編解碼中不可缺少的組成部分。
  7. In contrast with data communications, which are not usually subject to strict delay constraints and can therefore be handled using network protocols that uses retransmission to ensure error - free delivery, real - time video is delay sensitive and cannot easily make use of retransmission

    與普通的數據不同,視頻通信受嚴格的延時限制,不能通過重機制保證錯的。預測和可變長編碼的使用也使得碼流對碼或數據包丟失更加敏感。
  8. Embedded image coding is especially fit for the changeful and fallible environment, such as internet / wireless transmission, image browse etc. the output bit stream of the embedded code can be truncated and reconstruct image for practical applications to achieve varying degrees of scalability and different target bit rates or distortion

    嵌入式編碼可以應用於網路、,圖像瀏覽,特別適合於容易發生的環境。為了滿足目標比特率或者要求,通過監視編碼的一些參數,嵌入式的編碼器可以在任何一點終止編碼。
  9. Some related res ults have been acquired after comparing these cdf with the theoretical capacity. in the fourth chapter, it was at first estimated all the channel coefficients by maximum likelihood estimation and minimum mean square error estimation method on the basis of the construction of the transmission frame and the mathematical model for the wireless mtmo system of channel estimation with training sequence

    第四章首先基於訓練序列估計的線mimo幀結構和數學模型,分別使用最小均方估計法和最大似然估計法估計出了通道的各個系數,在小信噪比和大信噪比時,比較了兩種估計方法的估計的方
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