字速率 的英文怎麼說
中文拼音 [zìsùlǜ]
字速率
英文
word rate-
In this paper, combined with currently voice coding technique, espically with the fabulosity development of the mixed voice coding and the increasingly utility of the digital signals processor. we investigated the voice coding technique and discussed emphasizedly the technology of variable rate voice coding technology
本文結合當前語音編碼技術尤其是混合編碼技術的驚人發展及數字信號處理器的日益實用化，研究了語音編碼技術，並重點討論了變速率語音編碼技術。論文簡要介紹語音編碼技術中的波形編碼和聲碼器的主要性能。It is generally impossible to obtain the analytic optimal guidance law for complex nonlinear guidance systems of homing missiles, and the open loop optimal guidance law is often obtained by numerical methods, which can not be used directly in practice. the neural networks are trained off - line using the optimal trajectory of the missile produced by the numerical open loop optimal guidance law, and then, the converged neural networks are used on - line as the feedback optimal guidance law in real - time. the research shows that different selections of the neural networks inputs, such as the system state variables or the rate of los ( line of sight ), may have great effect on the performances of the guidance systems for homing missiles. the robustness for several guidance laws is investigated by simulations, and the modular neural networks architectures are used to increase the approximating and generalizing abilities in the large state space. some useful conclusions are obtained by simulation results
對于復雜的非線性導彈制導系統，很難求得其解析的最優制導律，只能求得開環的數字解，不能適用於具有時變不確定性的導彈制導系統.利用神經網路的學習和推廣能力，對開環的數字最優制導律進行離線的學習，作為閉環的神經最優制導律在線應用.研究分別選擇系統狀態變量和視線角速率等不同的神經網路輸入對制導系統性能的影響，以及各種制導律的魯棒性問題，並採用模塊化神經網路結構提高神經網路的學習和推廣能力，模擬結果得到一些有益的結論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誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試；然後在基於軟體無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。When you ' re writing working code nearly as fast as you can type and your misstep rate is near zero, it generally means you ' ve achieved mastery of the language
當你寫的能工作的代碼和你打字速度一樣快，而且失策率為零，這通常意味著你正在精通這門語言。In the end, quick implementation of kasumi, f8 and f9 are simulated under the condition of windows 98 with celeron 633 and 128m memory, the simulation data show that the f8 algorithm is capable of achieving the encryption rate up to 1. 9mbit / s, while f9 algorithm only takes 20ms to compute the mac with the length of 5114 bits, both of which can reach the basica requirement of 3g
在本文的最後我們對kasumi ， f8演算法和f9演算法的快速實現進行了具體的模擬， f8演算法的具體實現是在windows98 ，賽揚633mhz和128m內存的環境下其加密速率可以達到1 . 9mbps ，而f9演算法在同樣的條件下計算5114比特的字元串的消息認證碼所需時間僅為20毫秒，這些速率基本上可以滿足3g中高速率傳輸的要求。In the past few years, there has been significant interest in digital video applications like video conferencing and video e - mailing over internet, video telephony over public switched telephone networks ( pstn ) and wireless networks, etc. by removing spatio - temporal redundancies existing in adjacent frames, motion estimation can reduce the coding bit - rate significantly
低速率視頻編碼技術已在許多領域得到了應用，如在pstn （公共電話網） 、無線網、 n - isdn （窄帶綜合業務數字網） 、 b - isdn （寬帶綜合業務數字網）上傳輸視頻會議、可視電話和無線手持終端等。By choosing non - hybrid dictionary, blocking artifacts of dct system can be avoided ultimately. the cost of coding motion information is reduced, so the visual quality of images at low bit - rates is improved. 4
而且，通過選擇非晶格結構的字典（原子函數之間允許重疊） ，從根本上避免了低速率dct系統帶來的方塊邊緣失真，增加估計的精度，減少對運動信息編碼耗費並提高在低速率下的視覺效果。Digital speech has preponderance over analog speech in reliability, robustness and security during communication. however, digital speech needs more bandwidth than the analog signal. especially with the requirement for communication frequency increasing, it ' s necessary to code speech signal at low rates
但是，數字化后的信號所佔的頻帶大幅增加，特別是在帶寬需求日益增長的今天，這個問題尤為突出，因此語音的低速率編碼（即壓縮編碼）成為迫切的要求。Fully considering the system ' s reliabilty, being real - time, speed and extensibility, it finally chooses the sdh as the system network of cors through deep compration and alalysis of four special data lines supplied by china telecom, so that an effective interconnection among the stations and the workstations in the control - center comes true
摘要充分考慮系統可靠性、實時性、通信速率、可擴充性等因素，通過對中國電信提供的4種數據專線服務的綜合分析比較，選擇了同步數字體系作為系統通信網路，實現了控制中心各工作站和各基準站之間的高速互聯。Adsl, symmetrical dsl ( sdsl ), high - bit - rate dsl ( hdsl ), very high dsl ( vdsl ), and rate adaptive dsl ( radsl ) use intelligent devices similar to network cards at each end of a single twisted - pair copper wire circuit to deliver very high speeds over copper wire for distances ranging from hundreds of feet to 18, 000 feet
Adsl （不對稱數字用戶線） 、 sdsl （對稱數字用戶線） 、 hdsl （高位速率數字用戶線） 、 vdsl （極高速數字用戶線）和radsl （速率自適應數字用戶線）都使用了與網卡類似的智能裝置，它們裝在單根雙絞銅線的兩端，以在幾百到18000英尺的距離范圍內在銅線上提供極高的傳輸速度。The scheme is designed based on these researches. for traditional laser rang finders, most of them use heterodyne method as the phase shift measurement. the advantage of heterodyne method is the high measurement accuracy, but its disadvantage is the low measurement velocity
傳統的相位激光測距大部分都採用差頻數字測相，差頻測相的優點在於由於頻率的降低，這樣必然意味著測距精度的提高，但其缺點是測距速率低。Hdsl2 high bit rate digital subscriber line - 2nd generation
高比特速率數字用戶線路.第2代High bit rate digital subscriber line
高位速率數字用戶專用線The network interface uses a very high data rate digital subscriber line vdsl
網路介面使用超高數據速率數字用戶線路（ vdsl ） 。Radio - frequency cables - part 3 : coaxial cables for digital communication in horizontal floor wiring - section 1 : detail specification for cables of 500 m reach and up to 10 mb s
射頻電纜規范.第3部分:平面層布線數字通訊用同軸電纜.第1節:有效半徑達到500 m ，速率不低於10 mb s時電纜的詳細規范10mb s radio - frequency cables - part 3 - 2 : coaxial cables for digital communication in horizontal floor wiring - detail specification for coaxial cables with solid dielectric for local area networks of 185 m reach and up to 10 mb s
射頻電纜規范.第3部分:平面層布線數字通訊用同軸電纜.第2節:有效半徑達到185m速率在10mb s10mb s radio - frequency cables - part 3 - 3 : coaxial cables for digital communication in horizontal floor wiring - detail specification for coaxial cables with foamed dielectric for local area networks of 185 m reach and up to 10 mb s
射頻電纜規范.第3部分:平面層布線數字通訊用同軸電纜.第3節:有效半徑達到185m速率在10mb sThe increasing of single channel capacities and evolution of optical networks topology, from simple point - to - point to intelligent optical networks, call for strict demands to optical filters. in this paper, the crucial technologies of optical filters such as interleaver, optical digital filter, fused biconical taper all - wave coupler as well as polarization - pump combiner have been studied experimentally and theoretically, which include : 1. a new process, cascaded fbt ( fused biconical taper ) with precise control as well as strict interference arm length difference, is proposed for the first time to our knowledge
單通道速率不斷提高以及網路拓撲由單一的點對點傳輸向可上下載的環網和可動態選擇波長路由的智能型格形光網路演進，對光濾波器的常規性能指標、時域特性和動態可調諧特性提出了更加苛刻的要求，鑒於此，本論文全面研究了全光纖熔錐型奇偶交錯濾波技術、數字光濾波技術、基於g - t全通濾波器的奇偶交錯濾波技術以及熔錐型全波耦合器和偏振泵浦合波器。Sectional specification for printed board connectors of certified quality for use in dc low frequency analog applications and in digital applications employing high speed data rates
經質量認證的印製電路板連接器的分規范用於直流低頻模擬應用系統和採用高數字速率的數字應用系統This varies depending on the output word rate and the gain setting used
這種情況視輸出字速率和所用的增益設定而改變。分享友人