指數傳輸線 的英文怎麼說

中文拼音 [zhǐshǔzhuànshūxiàn]
指數傳輸線 英文
exponential line
  • : 指構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • : 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...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
  1. That the antenna points at the aerocraft very precisely can utilize the gain of antenna, minishing the power of transmitter, and propagating data very gualitily effectly

    在無測控系統中,天精確向飛行目標,可最佳利用天增益,減小發射功率,高質量的進行控制和
  2. Besides tt & c transponder, the power support for pico - satellite also covers cmos camera, data processing unit and energy subsystem, by connecting and charactization which, full course from modulation and demodulation of instruction data to feedback of image data, wireless long - range transmission and the feedback of sidetone signal could be achieved

    4 、整個衛星的電系統除了通信一體機外,還包括cmos相機和據處理單元以及能源分系統。具備了這幾部分,對系統聯試,實現了從令信號的調制解調和圖像信號的返回的全過程,並且可通過遠距離的無
  3. Fiber optics mechanization of an aircraft internal time division command response multiplex data bus

    光纖化的飛機內部時分制令響應式多路據總
  4. The one - dimension effective fpk equation of colored noise serves as our starting point to evaluate the effect of noise color on communication system design. the theory of ber versus input snr per bit is developed and a new procedure to determine the system parameters that influence the minimum ber is proposed. it is shown that the communication system ' s performance is related to the turnable system parameters as well as the noise correlation time

    相關高期色噪聲情況下,本文以一維有效色噪聲fpk方程作為研究的出發點,理論分析了限帶高斯色噪聲通道中脈沖幅值調制字信號的誤碼性能,給出了非性接收器的接收性能曲,充分體現了噪聲相關時間的影響。
  5. It includes : dynamic show of technics flow, real time data acquirement and show, history data save and print, fault alarm, etc. the plc control system mainly accomplishes the wastewater technics flow control, harmonizes the logical relationship among local intelligent control instruments and transmits the state of each local equipment to the industrial computer simultaneously, the plc control station receives the control commands from the industrial computer ; the local intelligent units take charge of the correlated parameters measure, disposal and control, and it will transmit the related parameters to the computer, etc. in this thesis, introduced municipal wastewater treatment technics, the integrated application program development of computer, the design method of plc control station, the communication between plc control system and computer, and the network of wastewater treatment with profibus - dp was also discussed

    上位計算機主要實現遠程監測和管理功能,具體包括:工藝流程動態顯示、實時據獲得及顯示、歷史據存儲與列印、故障報警等功能plc控制系統主要完成工藝流程式控制制以及協調現場各智能儀表之間的邏輯關系,將現場各設備的運行狀態通過通訊網路到上位計算機,並接收上位計算機的控制令;現場各智能儀表單元負責各相關參的監測和處理、控制,並將有關參送往上位監控計算機進行處理、保存等。本文以莎車污水處理項目為例,介紹了城市污水處理工藝、上位監控計算機的綜合應用程序開發、城市污水處理自動控制系統plc控制站的設計和採用profibus系列中廣泛應用於現場設備的profibus - dp總
  6. Before the connectting between moden and other equipments, it works at the cammand mode, the cammand that is send to moden is used to set or manipulate the mode, after the connectting between moden and other equipments, it works at connectting mode, at that time, the cammand send from the computer is send to another computer which will pass the moden and telephone line. the moden control cammand is called " at " cammand, all the control manipulation is realized by sending the ascii character to moden, after the moden received the " at " cammand, it firstly judges the cammand, secondly, it analyses and executes the cammand, finnally, it executes a response by sending back a ascii character, during the deseign of below - computer, we introduce in detail the deseign of system hardware and system software, below - computer system hardware and system software, below - computer is made up of microchip collecting and controlling system, which finish the strobe and water level data collection, display and disposal, deal with the communication with the above - computer, the microchip is the centre of data dealing with, the peripheral equipments are made up of data collecttion module, control cammand input module, display module, execute output module, and long - distance communication module

    在moden控制軟體的設計中,詳細敘述了moden正常工作時的幾個重要函:初始化函、撥號處理函、應答處理函、掛機處理函,設計並調試了四個函的通信程序,據機工作時存在兩種模式,命令模式與連模式,命令模式是針對功能設置的模式,連模式是的模式。當據機未與其他設備連接時,其處于命令模式,這時候下達給據機的令是作為據機本身設置或操作用的;當據機已經與其他設備連接時,其處于連模式,所有在此時由計算機送至據機的信息都將經由電話送到另一部計算機上。專門使用於控制據機的令集被稱為「 at令集」 ,對moden的所有操作(如撥號、應答、掛機等)都可以通過給moden發送ascii字元串來實現, moden在收到at命令后,先對命令進行判斷,接著分析和執行命令緩沖區中的命令,最後以自身的ascii字元對命令作出響應。
  7. In the paper, the transmission power of section constituted by the assigned branch is seen as objective function, assigning the adjustable generators both in sending system and receiving system, assigning the faults set, including the constraint conditions such as the differences between the angles of rotor and the inertia center angel of the whole system, the thermal stability of branch and node voltage, obtaining the results by using interior - point solution and line - predominant jordan

    本文提出的考慮暫態穩定約束的可用電能力演算法是以路組成的斷面的功率為目標函定送端系統和受端系統中參考調節的發電機,定故障集情況下,以發電機轉子相對全系統慣性中心的角度差、路熱穩定、節點電壓等構成約束條件,採用內點法和行主元約當逐行消去法求解問題的最優解。
  8. Three shaped profiles ( parabola, linear, and exponential ) have been considered. the exponential dispersion profile fiber loop is optimal for the propagation and compression of picosecond pulse. on the contrary, the parabola dispersion profile fiber loop is optimal for femtosecond pulse due to the high order effects such as the third order dispersion ( tod ), stimulated raman scattering ( srs ) and self steeping ( ss )

    ( 3 )研究不同色散遞減類型(拋物遞減、性遞減、遞減)光纖構成的環形腔中的特性,發現其色散曲遞減型光纖有利於皮秒光脈沖的與壓縮;而對于飛秒脈沖,由於三階色散( tod ) 、脈沖拉曼自散射( srs )及自變陡( ss )等高階非性效應的影響,情況恰恰相反;色散曲為拋物遞減型的光纖構成的光纖環最有利於脈沖與壓縮。
  9. The dissertation refers to comparatively full literatures in the field of vsc, and the development history and characteristics of vsc are summarized, and the elementary concepts, elementary definitions, elementary properties, elementary principles and design methods are particularly introduced, and the causes of the chattering phenomenon are systematically analysed, and the study status of the chattering phenomenon and the main methods to eliminate the chattering are elaborated. for the deficiencies of traditionary methods, three improved methods are developed, which are improved exponent reaching law solution, variable boundary layer solution and the solution by adding an auxiliary continuous control term. for uncertain linear systems, an adaptive fuzzy integral variable structure control stategy ( afivsc ) is put forward to eliminate the chattering around the sliding plane, which introduces fuzzy logic to soften the non - linear discontinuous sig nal in the control variable and utilizes adaptive theory to adjust output membership function according to how much the uncertainty of the system is

    比較全面地查閱了關于變結構控制理論的文獻,總結了滑模變結構控制的發展歷史和特點,詳細介紹了變結構控制的基本概念、基本定義、基本性質、基本原理以及設計方法;系統分析了變結構控制系統抖振產生的機理,並闡述了國內外目前對抖振問題的研究現狀以及消除抖振的主要方法;針對統抑制和消除抖振方法的不足,改進了統方法,得到了三種新的消除抖振的方法? ?即改進的趨近律法、可變邊界層法和附加連續項法;針對不確定性性系統,在變結構控制策略中引入模糊邏輯和自適應理論來消除滑動平面上的抖振,提出了一種自適應模糊積分變結構控制方案( afivsc ) ,利用模糊邏輯來柔化控制量中非性不連續部分,採用自適應理論,根據系統不確定性大小在調整模糊出量的隸屬函,另外,鑒于模糊控制本質上是有靜差的,所以本文選擇了帶積分項的切換函,由於積分項的存在使系統較正為無靜差系統。
  10. This article takes hanging off and wide fluctuation of transmition velocity of adsl as example, then analysis centers on the discerte multiple tone and the principle of channel load assignation. from analysis above article points out the root of adsl being sensible of noise signal. at last, reserches effects that window function and barrier effect on frequency and adopts fft to work out the noise power of adsl

    本文以電信現在推出的adsl中鏈路經常掉速率經常大范圍波動為例,重點分析了adsl所使用的dmt調制方式和注水演算法分配通道載荷方式原理,由此出adsl對噪聲信號敏感的根源,在得到問題的根源之後,分析了窗函和柵欄效應對頻譜的影響,採用fft方法計算adsl路的噪聲功率譜,為adsl路測試提供了可靠的理論依據。
  11. In this system, mean velocity pipe is applied to transform the air velocity signal into pressure difference signal, and then the pressure difference signal is input into pressure difference transmitter to realize the transform of the pressure difference signal from non - electricity signal to electric current, and through the resistance in the corresponding sampling circuit the electric current is transformed into voltage signal ; the thermocouple is used as the primary element to realize the transform from temperature signal to the voltage signal ; under the control of communication agreement module, diversified voltage signal is transported into computer by way of a / d conversion module, and then the monitoring software compiled beforehand is transferred to deal with all the voltage signals relatively, the result of which is conveyed to relative interface to display

    該裝置具有三個特點:一是採用表面式測溫方法,有效地減少了元件的維護與損耗;二是採用工業控制計算機及信息就地採集、據總的方式,充分利用計算機和據自動採集方面的技術,實現各種參的在測量,監測標全面,能與dcs系統聯用,具有技術先進性和一定的前瞻性;三是採用顯示器配工業觸摸屏的顯示方式,為現場運行人員提供了簡單、易學、方便的操作模式。本裝置自2001年8月投入運行以來,有效地幫助、導運行人員進行燃燒調整,對于鍋爐和機組的安全、經濟運行發揮了重要作用。
  12. According to electric & magnetic and circuit analysis theory, monocable transmission characteristics is analysed. on this basis, the transmission characteristics of the monocable in use is analysed and caculated. monocable is thousands meter long, electrical signal transmission along monocable shows long line transmission characteristics. monocable characteristics analysis is helpful to monocable telemetry system design, such as data transmission rate selection, circuit design, etc

    生產測井中應用的單芯電纜是地面系統和井下據採集系統間的通道。它長約幾千米,屬長。對它的特性分析可以對系統的設計提供理論導,如速率的選取、電路設計等。
  13. The concept of otn node transmission model is introduced. the requirement of otn node transmission model is discussed. this model uses the frequency domain transmission matrix to express the otn node transport characteristics. the simplified model based on wdm and im - dd systems, the relationship between node characteristics and model parameters and measurement of model parameters are also discussed. at last a briefly discussion on how to develop the otn simulation and cad software based on our model is demonstrated

    性時不變的假設下,提出利用頻域矩陣來表示節點特性的方法給出了oxc和oadm兩類光送網節點的統一的表示根據目前通用的波分復用強度調制直接檢波系統的特點對復雜的頻域矩陣進行了簡化並對通常所關心的節點主要性能標與模型參的關系模型參的測量和計算模型的設計與計算機模擬輔助設計軟體開發的銜接問題進行了討論。
  14. To accelerate the development of next generation high dwdm system, the pape r also researches the property of gain. based on optical wave nonlinear transmission equation, the gain model of fra is established. by the way of numerical analysis, it is obtained that the gain of fra has relation with pump power, input signal wave power, the effective area and absorption of fiber. the obtained conclusion has definite instruction to the design of fra

    為了促進下一代超高速dwdm密集波分復用技術的發展,本文還研究了光纖喇曼放大器的增益特性,根據光波非方程建立光纖喇曼放大器增益模型,通過值模擬分析了泵浦波功率、信號入光功率、以及光纖有效面積和損耗對光纖喇曼放大器增益的影響,得出了一些對光纖喇曼放大器的設計有一定的導意義的結論。
  15. Distribution automation using distribution line carrier systems - general considerations - guide to identification of data transmission parameters concerning medium and low - voltage distribution mains

    使用配電路載波系統的自動配電.一般考慮.關于中壓和低壓配電干的識別
  16. " communications " means transmission of sounds, pictures, text or data by wire, radio, satellite or other electromagnetic means

    一、通訊播:以有、無、衛星或其他電子設施送聲音、影像、文字或據者。
  17. Considering the bandwidth efficiency, the error rate performance and the complexity for realization together, we construct a digital transmission system with single - carrier modulation technique using the optimum premodulation filter. then the system parameters and performance indexes are prensent

    綜合考慮帶寬效率、誤碼性能和實現復雜程度以後,構建出基於單載波調制技術的無系統,並給出系統參和性能標。
  18. The purpose is optimizing bus transmission system by the analysis of integrated avionics system data bus capability parameter

    通過對綜合航電系統據總的性能標分析,以達到優化總系統的目的。
  19. Based on the developed system, and equipped with module for wireless transmitting and receiving, the experimental validation for the functions of cdma techniques are carried through. corresponding experimental data is presented. it can be concluded that cdma system can realize the correct receiving, meanwhile cdma system will not interference with another receiver in the system and other receivers will not capture the signal from the working system

    基於所研製的系統,配以無發送、接收模塊,進行cdma無制導實驗、對cdma的原理進行實驗驗證,得出相應的實驗據,證明了cdma技術一方面能實現信號的正確接收,另一方面又能防止對系統中其它用戶的干擾及非預定接收機對發送據的截獲。
  20. The thesis is composed of 9 parts : the background, significance, main topics and innovations in the thesis are introduced in chapter 1 ; in chapter 2, the main function and performance of interface circuits are described from the view of system by using the example of gigabit ethernet ' s transceiver ; the transmission media ' s frequency characteristics and model are analyzed for the high - speed data transmission system in chapter 3 ; the line driver is presented in chapter 4 ; the equalization principles for high - speed data transmission system are introduced in chapter 5 ; a novel adaptive equalizer for 1000base - cx transceiver is presented in chapter 6 ; in chapter 7, a fixed equalizer for 2. 5gbps transceiver is described ; in chapter 8, layout design and measured results are discussed ; at last, the conclusions are drawn in chapter 9. during period of finishing the thesis, i read lots of literatures about the interface circuits in high - speed data transmission system, studied their principles and design techniques, and designed : 1 、 the line driver for 2. 5gbps baseband copper cable transceiver ; 2 、 the fixed equalizer for 2. 5gbps baseband copper cable transceiver ; 3 、 the fixed equalizer for 1. 5gbps sata ( serial at attachment ) transceiver ; 4 、 an adaptive equalizer for 1000base - cx transceiver

    論文由9部分組成:在第一章引言中介紹了論文的背景、意義、國內外研究現狀,以及論文的主要內容和創新;第二章以千兆位以太網為例,從系統的角度介紹了高速系統介面電路的主要功能和性能標;第三章分析了高速系統的介質的頻率特性和模型;第四章描述了驅動器的設計原理及其電路實現;第五章描述了高速系統的均衡原理;第六章描述了適用於1 . 25gbps基帶銅纜收發器系統的自適應均衡器的設計原理和電路實現;第七章描述了適用於2 . 5gbps基帶銅纜收發器系統和1 . 5gbps串列硬盤介面( sata )收發器系統的固定均衡器的設計原理及其電路實現;在第八章中分析了電路的版圖設計及晶元測試結果;最後,第九章總結了全文。在完成論文期間,查閱了大量的有關高速系統介面電路方面的文獻,較系統地學習了驅動器、和均衡器等方面的理論知識和電路設計原理,設計了用於: ( 1 ) 2 . 5gbps基帶銅纜收發器系統的驅動器; ( 2 ) 2 . 5gbps基帶銅纜收發器系統的固定均衡器; ( 3 ) 1 . 5gbpssata系統的固定均衡器; ( 4 ) 1 . 25gbps基帶銅纜收發器系統的自適應均衡器。
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