loop transmission 中文意思是什麼

loop transmission 解釋
環形傳輸
  • loop : n 1 (用線、帶等打成的)圈,環,匝,框,環孔,線圈;【醫學】(常 the loop)宮內避孕環。2 環狀物,...
  • transmission : n 遞送;傳遞;傳達;傳染;移轉;【機械工程】傳動;傳遞;變速器;聯動機件;【無線電】傳送;發射;...
  1. Chapter five describe the real example of the project of dwdm. related with the project of the east - north loop of fiber transmission system, research the layout of the network, analysis the performance of the transmission and bring out the frondose project of construction, inculde the number of the wave length, the speed of the transmission, the style of he fiber etc. chapter six is the summary of the article

    第五章是dwdm技術在通信工程建設中的實際應用,本論文以作者參與的一項具體的工程設計? ?中國移動集團公司建設的東北環光纜傳輸工程中dwdm技術的運用為實例,根據預測業務發展的要求,從傳輸性能的分析,到網路的規劃,技術上的實現,提出了其具體的建設方案,包括波長數目、傳輸速率、光纖類型、光復用段、設備制式等。
  2. Based on the lucubration of adsl ' s transmission characters, the author concluded the main noise sources on the loop and their influences to the adsl ' s transmission performance

    本文作者在深入了解adsl傳輸特點的基礎上,總結了線路上主要噪聲源的特點及其對adsl傳輸性能的影響。
  3. Chapter 3 treats the algorithm implementation of demodulator in the receiving asic of dvb - s. in detail, demodulation includes carrier recovery and symbol synchronization. together with the transmission characterization of band - limited input signals the chapter proposes a scheme for implementing carrier recovery loop

    解調具體分為載波恢復、時鐘同步兩大部分,本章著重論述了載波恢復的原理並結合dvb - s輸入信號傳輸特性,提出了相應的實現方案,對部分電路進行了性能分析。
  4. Presents the system established by taking variable - speed torque converter with adjustable guide blades as a pilot control unit and forming an open or closed loop feedback control system, and its outstanding advantages, such as high capacity, simplicity, reliability and good transmission efficiency owned by hydrodynamic drive, and the dynamic model developed for variable - speed torque converter with adjustable guide blades by means of theoretical analysis and regression analysis of experimental data, and concluds that the model is sophisticated and simple enough to be used as a tool for design, analysis and computer simulation of a hydrodynamic control system

    以導葉可調式液力變矩器作為控制單元組成的開環或閉環液力控制系統,具有液力傳動裝置能容大、系統簡單可靠、傳動效率較高等顯著的優點.通過理論分析和試驗數據的回歸分析方法建立了導葉可調式液力變矩器的數學模型,模型既簡單,又有足夠的工程應用精度,為液力控制系統的設計、動態分析和性能預測提供了必要的理論基礎
  5. The mathematic models of networked control systems with single packet transmission, multiple packet transmission or data packet dropout are developed when the network - induced delay is short time delay. the open - loop mathematic models of networked control systems with long time delay are developed when the system is driven by anyone of the four different modes. the uniformed modeling method for networked control systems with long time delay is proposed

    建立了短時延網路控制系統在單包傳輸、多包傳輸以及有數據包丟失時的數學模型;建立了長時延網路控制系統在四種驅動方式下的開環數學模型,提出了長時延網路控制系統的統一建模方法;建立了多輸入、多輸出ncs的數學模型。
  6. Since its foundation, china tietong invested millions of rmb and adopted dwdm to build a high - speed backbone optical transmission network composed of five fiber loops : northeast, northwest, southwest, southeast and beijing - shanghai - guangzhou loop, realizing the unified net control and schedule of the nationwide backbone transmission network

    自成立以來,中國鐵通投資數百億元,採用先進的密集波分技術,組建了京滬穗高速環、西南環、西北環、東北環、東南環等五大骨幹傳輸網路,並且實現全國骨幹傳輸網路的統一網管指揮和調度。
  7. Since its foundation, china tietong invested millions of rmb and adopted d to build a high - speed backbone optical transmission network composed of five fiber loops : northeast, northwest, southwest, southeast and beijing - shanghai - guangzhou loop, realizing the unified net control and schedule of the nationwide backbone transmission network

    自成立以來,中國鐵通投資數百億元,採用先進的密集波分技術,組建了京滬穗高速環、西南環、西北環、東北環、東南環等五大骨幹傳輸,並且實現全國骨幹傳輸網路的統一網管指揮和調度。
  8. This paper gives the way of using the ac servo drive instead of the traditional drive mode consisted of the main motor, the gears and belts, realizing the synchronous drives of the multi - motors. the closed loop control technology of the speed and the position embedding has been adopted to track in real time, then to reduce the transmission error and the noise, so as to increase the control precision and the stability of the combination and simplify the maintenance and repair of the mechanical and technical system

    採用交流伺服驅動代替傳統的由主電機、齒輪和皮帶組成的傳動方式,實現多電機同步驅動;採用速度環和位置環嵌套的閉環控制技術,進行實時跟蹤,達到減小傳動誤差、減小噪音,增強機組的控制精度與穩定性、簡化機電系統的維護與修理的效果。
  9. It can be deduced from the characteristics of ilpll circuit that injection - locking bandwidth is not only related to the injection - locking bandwidth without feedback loop, but also related to the characteristics of frequency mixing, loop gain and the change of the loop phase. thus, the needed bandwidth can be obtained by adjusting the loop parameters. and the phase noise characteristics are mainly determined by loop transmission factor

    由ilpll電路特性的推導得出:注入鎖定帶寬不僅跟開環時的注鎖帶寬有關,而且與混頻特性、環路增益以及環路相位變化相關聯,可以通過調節環路的參數得到所需帶寬;相噪特性主要由環路傳輸因子決定,可以通過調節環路濾波得到比開環注入鎖定相噪更優的特性。
  10. For recent years, adsl has world widely employed and widely used in many aspects such as vod, remote medical treatment and e - shopping etc. but we noticed that the traditional telephone networks are designed for the transmission of low frequency signals, and the adsl ' s frequency rang is from 0 to 1. 104mhz, so we must confront the signal attenuation, the loop line noise impairments, the crosstalk interferences, the bridge tap reflections and the rf disturbances problems and many other problems when transmitting the adsl signals one the telephone networks

    近幾年來, adsl在世界范圍內得到充分的使用,廣泛應用於視頻點播、遠程醫療、網上購物等各個方面。但是由於電話線網路是專門為傳輸低頻信號而設計,而adsl的頻譜范圍在0 1 . 104mhz內,因此在傳輸adsl信號時,面臨著信號衰減、線路噪聲、串音干擾、橋接抽頭反射和射頻干擾等等多方面的問題,這就要求在adsl開通之前對線路進行一系列的測試。
  11. Wireless access technology also name wireless connect technology, or name wireless local loop, the main function is passing transmission medium of wireless technology provide immobile or mobile terminal for consumer

    無線接入技術( wirelessaccesstechnology )也稱無線接續技術,或稱無線本地環路( wirelesslocalloop ) ,主要功能是以無線技術(大部分是移動通信技術)為傳輸媒介向用戶提供固定的或移動的終端用戶。
  12. Spectrum management for loop transmission systems

    環路傳輸系統的頻譜管理
  13. The design of the scheme is mainly in consideration of good adaptability for variable transmission systems. chapter 3 introduces the digital phase - locked - loop used in the modulator scheme

    方案設計的重點在於方案的靈活性,使之能夠對不同的傳輸體制具有盡量好的適應性和可移植性。
  14. Analog loop back is a common test for locating transmission problems in data transmission systems

    數據傳輸系統中,模擬環回是一種常用的測試本地傳輸狀況的方法。
  15. According to the electromagnetic induction theory, abrupt variation of current in the transmitter loop will induce magnetic field around it, which is called the first field. in the transmission of the first field, when it meets good conductor target, induce current will be created, which is called erratic current of second current. because the second current changes with time, so it will create new magnetic field, which is called

    對于接收部分,由於瞬變信號具有早期信號幅度大、衰減快,而中晚期信號幅度小、衰減慢的大動態范圍的特點,必須設計適應這種大動態范圍信號的採集電路;為了適應野外工作,系統主控部分採用具有功耗低、高速處理的dsp ,通過高速通用串列介面usb與上位機通訊,實現對整個探測系統的控制。
  16. As it has been made successfully, the optocoupler will be used more extensively in the field of consecutive simulation signal transmission. 4 ) in order to achieve high - capacitance driving, double - loop designing in the circuitry and appropriate ic are adopted

    4 、採用雙迴路電路設計和專用集成晶元,研製出高壓隔離高容驅動光電耦合器,並對該器件的性能進行了全面分析。
  17. In order to gather the warning data of nms ( network management system ) of zte transmission loop network, the paper analyses the communication protocol and the data format of nms of zte transmission loop network, and introduces the designment and the implementation of the protocol converters

    為實現採集中興傳輸環的告警數據,分析了中興傳輸環網管系統的通信協議與數據格式,介紹了相應協議轉換器的設計與實現方法。
  18. Asymmetrical digital subscriber loop ( adsl ) is a prevalence fashion of broadband solutions today. it uses the installed base of copper telephone line as the transmission medium. with the combined use of sophisticated signal modulate methods and the high speed digital signal process technology, it ' s upstream speed can be 100kbps to 800kbps and the downstream delivers from 1mbps to 8mbps

    不對稱數字用戶線( adsl , asymmetricaldigitalsubscriberloop )是目前比較流行的寬帶接入方式,它使用現有的銅質電話線作為傳輸介質,採用先進的信號調制方式和高速的數字信號處理技術相結合,上行速度為100kbps 800kbps ,下行速度為1mbps 8mbps 。
  19. The system properties of single - loop system, such as velocity, torque, bifurcated power, transmission efficiency are researched deeply using theoretical analysis and numerical computing, and gives new methods for designing which according to the design parameter a and combine with the system diffluent coefficient q and the ratio of x, p cell transmission. so the theoretical expressions for designing this kind of transmission is established. the design parameter a is put forward as the ratio of confluent power and the input power of single - loop system

    通過對單環路系統的運動學和動力學特性、功率流特性、傳動效率特性等所進行的理論分析和數值計算,提出了以單環路系統主支路功率大小與輸入總功率的比值為關鍵設計參數的設計新方法,並結合系統的功率分流系數q和各組成單元的傳動比,得到了單環路系統的速度、力矩、功率流、傳動效率等計算公式,為該種傳動類型的設計提供了必要的理論依據。
  20. Loop transmission facilities

    循環傳輸設備
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