鎖模技術 的英文怎麼說

中文拼音 [suǒmójìshù]
鎖模技術 英文
mode-locking technique
  • 鎖 : Ⅰ名詞1 （安在開合處使人不能隨便打開的器具） lock 2 （姓氏） a surname Ⅱ動詞1 （上鎖） lock up 2 ...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 技 : 名詞（技能; 本領） skill; ability; trick; technique
  • 術 : 術名詞1. （技藝; 技術; 學術） art; skill; technique 2. （方法; 策略） method; tactics 3. （姓氏） a surname
  1. In allusion to the working characteristics and technical difficulties of 155mb / s burst mode receiver, we have put forward to the quick synchronization of inpouring phase locked loops ( pll ). for receiving burst signal, we introduce the scheme of dc coupling and dynamic threshold decision

    針對155mb s突發式收發模塊的工作特點和技術難點，我們提出了注入鎖相環法的快速同步技術；對于突發式信號的接收，我們採用了直流耦合和動態閾值判決的技術方案。
  2. There has been a revolutionary advance in ultrashort pulse technology since the discovery of self - mode locking of ti : sapphire lasers. few - femtosecond pulses have already been generated from ti : sapphire lasers, by means of combining self - phase modulation with negative group velocity dispersion, which is similar to the way of soliton generation

    鈦寶石激光自鎖模的發現使得超短脈沖技術發生了革命性的變化，利用自相位調制和負群速度色散結合的類孤子產生方式，人們已經在鈦寶石鎖模激光器上得到了脈寬只有幾個飛秒的光脈沖。
  3. From the viewpoint of resource demand, ocean multi - wave exploration is a useful technology to resolve the difficult problem just as blur zoon, structure distortion and gas pollution etc. because of the monopolization by developed countries with high price and high technology, the developing of our ocean multi - wave exploration technology has been baffled for a long time

    從我國油氣資源來看，海上多波地震是解決海底模糊帶、構造變形和氣污染等問題的有效技術。由於西方國家對我國的高價壟斷和高技術封鎖，使我國海上多波勘探技術的發展受到了嚴重製約。
  4. By introducing the latest german technology, with the ouststanding design & manufacturing capability of asg, a kind of full automatic stretch bootle blowing machine has been devel - oped there are two model of option, model sy - 20, which can form 2, 000 bottles per hour and model sy - 40, which can form 4, 000 bottles per hour. the devices adopt the inductive control with high performance and special designed bi - arm interlocked mold operation, which feature lower failure rate, higher efficiency, easier service and compact structure

    引進德國最新技術，憑借星a卓越設計能力和製造能力，製造出了具有國際先進水平的全自動拉伸吹瓶機。現有cp - 20型每小時吹瓶2000個和cp - 40型每小時吹瓶4000個2種型號可供選擇。高性能的感應控制，特殊設計的雙臂結構鎖模動作，故障率低，效率更高，維修更方便，節約佔地空間。
  5. Four strong logistics operating bodies are described, namely large third - party logistics firms, logistics agencies of large manufactories, distribution centres of huge enterprise chains in headquarters, top management consulting agencies and information technological companies ; the operating characteristics and modes of the four types of logistics supply chains are discussed ; the fundamental conditions, operating characteristics, advantages, and applicable conditions of various logistics supply chains are detailed

    摘要闡述了作為我國物流供應鏈領導者的四個強勢物流經營主體，它們是大型第三方物流企業、大型製造企業的物流機構、大型連鎖企業總部配送中心和頂尖的管理咨詢公司或頂尖信息技術公司；論述了以不同強勢物流經營主體為主導的物流供應鏈4種類型的運作模式的特徵和方式，重點對各種物流供應鏈類型的基礎條件、管理內容、管理方式及實施操作等內容進行了深入探討。
  6. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先，在闡述i / q正交調制基本原理的基礎上，通過對誤差矢量和鄰近通道功率泄漏的詳細分析，定性、定量地討論了各種非理想電路因素（如相位不平衡、幅度不平衡、直流偏差等）對調制器性能的影響;其次，介紹了鎖相環的工作原理和基本組成部分，包括鎖相環的設計和環路濾波器的設計，特別詳述了電荷泵鎖相頻率源;第三，介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後，對整個直接射頻調制系統進行測試，結果基本上達到了課題要求。
  7. They include the framework of product long - distance maintenance guiding system, fault diagnose, automatically making of maintenance technics, the query of information and the visual leading. according to b / s model, the author puts forward system structure of product maintenance guiding system based on network. the dissertation introduces the main technologies for the realization of maintenance guiding system, the data structure of product fault and order of disassembly and assembly, and the way to get the preliminary data

    本論文對產品維修向導系統的幾個部分：包括產品維修向導系統的體系結構、故障診斷、維修工藝的自動生成、資源信息查詢和可視化引導的有關技術進行研究；根據web技術b / s模式結構和產品維修過程提出基於網路的產品維修向導系統的體系結構；介紹了維修向導系統的具體實現中的一些主要技術和產品故障數據結構、拆裝順序數據結構的設計以及這些數據表的原始數據獲得方法；對產品故障診斷採用的決策樹方法作了介紹；重點對產品故障診斷和產品各零部件的拆裝順序關系以及資源信息的查詢進行了實現；針對轎車卡板式門鎖，開發了產品維修向導系統的實例。
  8. This paper has launched exhaustive analysis and study to every module of pll and its key part ( vco ) is also improved. the history of phase - locked technology and the actuality of research on it are introduced. and then beginning with the fundamental principles of a phase - locked system, we build the mathematical model based on the architecture of the traditional analog pll, and afterwards investigate some of its characters such as tracking, acquisition, noising, and stability

    本文在對鎖相技術的發展歷史和研究現狀調查研究的基礎上，從鎖相系統的工作原理入手，分析了鎖相環的數學模型，並以此為出發點對其跟蹤性能、捕獲性能、穩定性及噪聲性能等性能進行了較為深入的研究，對環路的各項參數指標進行了詳細的推導，得出了鎖相環數理分析的普遍結論。
  9. This thesis describes the properties of millimeter wave, and development of the millimeter wave sources nowadays, and introduces the solid - state devices impatt diodes, and analyses the technology of the injection locked. then this thesis gives out how to design the pa module in detail. and practical circuit is given out with the test result and analyses

    本文首先綜述了毫米波特點，毫米波源的發展現狀，介紹了w波段impatt器件的基本工作原理，分析毫米波波導電路中的注入鎖定技術，給出實現連續波或脈沖功率放大的w波段信號源的功放模塊的技術方案、測試結果和綜合分析。
  10. Pll frequency synthesizer is increasingly used in microprocessor systems and communication. with the development of integrated circuits and the emergence of soc ( system on a chip ) technology, it has been a fundamental and very important module in analog and mixed - signal integrated circuits

    鎖相環頻率合成器現在日益廣泛地應用於通訊、微處理器系統中，並且隨著集成電路的發展以及soc技術的出現，其已經成為超大規模集成電路中不可或缺的模塊。
  11. Topics covered include : properties and advantages of feedback systems, time - domain and frequency - domain performance measures, stability and degree of stability, root locus method, nyquist criterion, frequency - domain design, compensation techniques, application to a wide variety of physical systems, internal and external compensation of operational amplifiers, modelling and compensation of power coverter systems and phase lock loops

    所涉及的主題包括：反饋系統的特性和優勢，時域和頻域性能度量，穩定和穩定度，根軌跡法，奈魁斯特準則，頻域設計，補償技術，種類繁多的物理系統應用，運算放大器的內部和外部補償，能量轉換系統的建模和補償，以及鎖相環。
  12. Considering the fact that the analog system is not so good as the digital system on the respect of variation of bandwidths and on the respect of switch between different bandwidths. this paper proposes to adopt the dds ( direct digital synthesis ) technique that produces chirp signals of different bandwidths to improve the situation of losing tracks for the ocean satellite altitude indicator in measuring coarse surfaces

    現在的雷達基本上採用模擬系統產生線性調頻信號，由於模擬系統在帶寬變化方面和不同帶寬間切換方面不如數字系統，本文採用dds （ directdigitalsynthesis ）技術產生不同帶寬的線性調頻信號以改善海洋衛星高度計在測量粗糙表面時存在的失鎖現象。
  13. Then we uses the scheme that has the variable gain based on the kalman filtering model realize two steps phase - locks ring circuit track technology, this kind has the advantage that when changed the gain the digital phase - lock link to be allowed simultaneously to realize the fast capture and the reliable track, the simulation analyzes its capture performance

    模擬結果表明，自編碼直擴通信系統的編碼捕獲性能具有可行性。採用基於卡爾曼濾波模型實現具有可變增益的二階鎖相環路的跟蹤技術，這種具有時變增益的數字鎖相環可以同時實現快速捕獲和可靠跟蹤，其捕獲性能要比傳統數字鎖相環改善很多。
  14. Using fiber grating to substitute traditional wavelength - selecting components, the 8nm tuning range is realized at a repetition frequency of 2. 5ghz. ( 5 ). the wavelength - tuning methods of an active mode - locked fiber laser using a ld as a modulator are researched, and two tuning methods including temperature tuning

    （ 4 ）對主動鎖模光纖激光器的波長調節技術進行了研究，用光纖光柵代替傳統的波長選擇器件實現了主動鎖模光纖激光器的波長調諧，並獲得了波長連續調諧范圍達8nm 、重復頻率2 . 5ghz的穩定的光脈沖輸出。
  15. With the phase - noise model of the phase loked loop ( pll ) and the analysis of spur characteristic of fractional - n frequency synthesizer using - ? modulating technology, the scheme of pll with mixer + quadrupler is confirmed as a result

    文中，通過建立鎖相環路的相位噪聲模型，並分析了使用- ?調制技術的分數頻率綜合器的雜散性能，以此二者為理論依據完成了毫米波頻率源合成器的基本方案? ?鎖相混頻環+倍頻器方案。
  16. The main part and key technique of the cpa system is study : the generation of the femtosecond laser pulse is study, the modulation and maintenance of the ti : s laser is learned ; the types of the measurement for ultrashort laser pulse is generalized and the interferometric autocorrelation is expatiated ; the varieties of the stretchers is sum up and aberration - free stretcher is calculated and optimized to improve the stretching ratio ; the pulse selection is analyzed and a single pulse can be selected successful from the pulse train at a repetition rate of 82mhz ; the kinds of the amplifier in cpa system is gathered up, the eight - pass pre - amplifier and a good many effects in it is investigated. finally, the second, third and fourth - order dispersions in cpa system is analyzed systemicly, and the according means for dispersion compensation is worked out

    對cpa系統的主要環節及關鍵技術進行了研究：掌握了鈦寶石激光器的調節和維護技術，較深入地研究了飛秒激光脈沖產生的機理，其中對群速色散、自相位調制、自鎖模等問題進行了詳盡的分析；總結了超短激光脈沖的測量技術，重點研究了干涉自相關測量法；在總結展寬器類型的基礎上，對無象差展寬器進行了理論計算、優化設計，提高了展寬倍數；深入論述了脈沖列的選單問題，熟練掌握了脈沖選單技術。
  17. This paper ' s background is the foreign securities trading online. through the analyses of the present situation and the advantages and disadvantages of the securities business online in china, the author points out that chinese online securities trading business must go through the way from information competition to price competition, the trend of comprehensive finance will forward the deepening of business, and the reform of commission system is imperative under the situation

    指出我國的網上證券交易應先信息競爭后價格競爭，網上交易業務技術模式必須滿足可運行、可鎖定、可擴展三個目標，網上證券交易可採取證券營業部登記注冊，網路為交易平臺；銀行證券公司合作；完全以網路交易平臺為依託，實現網上注冊、網上交易、網上資金劃轉等業務三種運行模式。
  18. It is worth noting that broken techniques like double - checked locking are still broken under the new memory model, and that " fixing " double - checked locking was not one of the goals of the new memory model effort

    值得注意的是，有漏洞的技術（如雙重檢查鎖定）在新的內存模型下仍然有漏洞，並且「修復」雙重檢查鎖定技術並不是新內存模型所致力的一個目標。
  19. With the development of mode - locked laser, the pulse ’ s width becomes narrower and narrower, and exhibits more and more applications in many fields. obviously, these developments and applications demand improvements of measurement of pulse

    隨著激光鎖模技術的不斷發展，激光脈沖的寬度越來越窄，從而得到了越來越廣泛的應用，這就要求脈沖測量手段不斷提高。
  20. The main contributions of the dissertation are as follows : first, based on some results which have been made, by the used of the analogy pll and the digital pll, i ameliorates a precept of the mm frequency synthesizer, by this way i develop an mm frequency synthesizer, which can feed the request of some project

    本論文的主要貢獻在於:在前人所做工作的基礎上，綜合了模擬鎖相技術和數字鎖相技術的優點，對一種毫米波頻綜的設計方案加以改進，並根據改進后的方案研製出毫米波頻綜，其性能指標基本滿足了某工程預研的設計要求
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