環路相位特性 的英文怎麼說

中文拼音 [huánlùxiāngwèitèxìng]
環路相位特性 英文
loop phase characteristic
  • 環 : Ⅰ名詞1 （環子） ring; hoop 2 （環節） link 3 （姓氏） a surname Ⅱ動詞（圍繞） surround; encircle;...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 相位 : phase position; phase
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  1. The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox

    本論文中，首先介紹模數轉換器的各種參數的意義，以及一階sigma - delta調制器和高階sigma - delta調制器的原理;給出解決高階單環sigma - delta調制器不穩定性的方案，引入級聯結構調制器，特別針對級聯結構調制器中的失配和開關電容積分器的非理想特性進行詳細的討論;本設計的sigma - delta調制器採用2 - 1級聯結構和一位量化器，調制器採用全差分開關電容電路實現;同時對整個調制器的各個模塊進行了電路設計，包括跨導放大器、開關電容積分器、量化器、兩相非交疊時鐘等，並利用hspice和spectre模擬工具對這些電路進行模擬測試;最後，利用matlab軟體和simulink工具對整個級聯調制器進行行為級模擬。
  2. 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。
  3. Furthermore, the range of measurement of it was pointed out. all the analysis shows that our crsi 1il can be used to measure the spatial mid and low frequency wavefront distortion. 5. based on our crsi and algorithm, the phase modulation characteristic of an lcslm was measured

    五、利用環路徑向剪切干涉儀共光路、雙光束干涉的特點，全場準確測量了液晶空間光調制器的位相調制特性，並且利用它的位相調制特性實現了臺階位相板畸變波前的補償，由此證明了液晶空間光調制器可用於控制波前畸變。
  4. This thesis is a case example the form, first half part introduced the united states california beef the new soldier for characteristics for big king ' s limited company at with ocean fast food in the fierce competition, then by oneself accurate market positioning, integrating our country food profession, practicing specially operating the strategy, making the business enterprise catena the development, most becoming our country fast food industry soldier rising part of textual empress half, from the company gain and loss the factor analysis commence, important function that manage of business enterprise strategy, combined to put great emphasis on to discuss the choice of the market strategied, and related problem, of development etc. of property is in the united states california beef big king ' s limited company, on from now on of the development way of thinking, have to follow of follow the virtuous cycle ' s orbit, and emerge out more the foreground of the organic vitality

    本論文為案例形式，前半部分介紹了美國加州牛肉麵大王有限公司在與洋快餐激烈競爭中，以自己準確的市場定位，整合了我國飲食行業的特點，實踐了獨特的經營策略，使企業連鎖發展，最終成為我國快餐業異軍突起的新軍。本文的後半部分，從公司得失因素分析入手，闡述了企業戰略管理的重要作用，並著重論述了市場戰略的選擇，以及產業鏈開發等相關問題，意在美國加州牛肉麵大王有限公司，在今後的發展思路上，有所遵循的步入良性循環的軌道，展現出更加生機活力的前景。
  5. Because of last a century industry revolution is with the technology creative since behave type history precept for educating the glorious material civilization of with spiritual civilization, again making the nature ecosystem the environment suffering the bigness wound ; face with the large quantity that economic development mode consume the nature resources, break the ecosystem environment to price to give the our country small town developments of a nice bit of inside the negative influence that bring before, if over - emphasize in the moment economic " performance ", the regardless of farsighted ecosystem is equilibrium, and escape from to be the ground seriously economy, culture foundation with same mode of term, blindness mimicry of nature geography, because of but cause the native special features and traditional culture to lose, image one, thousand an etc. of cities ; with the same mode of term, blindness mimicry of nature geography, because of but cause the native special features and traditional culture to lose, image one, thousand an etc. of cities ; people who reply 21 century pursue the whole body heart the health the life style that develop relation towards publicly exist with movable environment request more and more of high and rigorous challenge, this lesson " inside small town environment design way of thinking research ", then " insist put can into practice keep on develop strategy, exactitude handle economy with population, resources, environment, improvement ecosystem environment with beautify to live the environment, improvement public facilities is with the social welfare facilities. found to produce the development hard, life wealthy with the leading that the good civilization of ecosystem develop the road " for total thought, then " unify programming, reasonable layout, is proper because of the ground system, each have special features, protect farmland, beautify environment, synthesize development, kit developments " for the basic way, regarding related research result of domestic and international expert ' s scholar as draw lessons from, then " create to set up clean, beautiful, quite and public environment, outstanding character image, expand the region ecosystem the vogue, and promote the economic society and environment can keep on developing, and realize the economy develop to win with environmental protection double " for design the target

    鑒于上一世紀產業革命和科技創新既為人類造就出輝煌物質文明和精神文明，又使自然生態環境遭受到巨大創傷的歷史教訓；面臨以往以大量消耗自然資源、破壞生態環境為代價的經濟發展模式給我國相當多的中小城鎮建設帶來的負面影響，如偏重眼前經濟「效益」 ，不顧長遠生態平衡，嚴重脫離當地經濟、文化基礎和自然地理條件，盲目模仿同一模式，因而導致本土特色與傳統文化喪失，形象單一，千城一面等；應對21世紀人們追求全身心健康發展的生活方式對公共生存與活動環境要求越來越高的嚴峻挑戰，本課題「中小城鎮環境設計思路研究」 ，以「堅持實施可持續發展戰略，正確處理經濟同人口、資源、環境的關系，改善生態環境和美化生活環境，改善公共設施和社會福利設施。努力開創生產發展、生活富裕和生態良好的文明發展道路」為總的指導思想，以「統一規劃、合理布局、因地制宜、各具特色、保護耕地、優化環境、綜合開發、配套建設」為根本方針，以國內外專家學者相關研究成果為借鑒，以「創建清潔、優美、寧靜的公共環境，突出個性形象，弘揚地域生態風尚，促進經濟社會與環境可持續發展，實現經濟發展與環境保護雙贏」為設計目標。並緊緊圍繞這一目標對中小城鎮的街區環境設計、建築特色設計、建築形象設計、自然環境設計、藝術形象設計、廣場景觀設計、住宅小區設計、生態環境設計、文化建設以及總體環境設計的定位等，展開了具體的思路研究與探討。
  6. To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed

    利用集成a / d 、 d / a轉換器的新型晶元aduc824 ，實現了電流（電壓）采樣?數據處理?電流控制的閉環控制結構；地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題；控制信號反相的同時進行幅度壓縮，使得輸出調整電壓的解析度提高；根據常規的比例?積分?微分（ pid ）調節模型，針對陀螺系統的特性，給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法；不同條件下系統穩流性能的對比、分析在論文最後給出，並據此找出了決定該系統穩流精度的關鍵因素，提出了系統的改進意見。
  7. Firstly, some factors such as the cost of the project, the protection of the enviroment, the revenue of the project and the dialectical relationship between these factors and the plan is discussed. secondly, " the unitary principle " is applied to set up a unitary evaluting system ; " the all - sidedness principle " is applied to have a comprehensive evaluation ; the qualifative analysis method and quantitative analysis are connected to be applied in the work to ensure the accuracy of the research work. 3. by inducing the key factors, quantizing the datas of input and output and the methods of operational research the plans evaluation, a evaluating model is stroke up to test vary plans

    2 、建設線路方案技術經濟評價各指標與評價體系的建立運用「統一的原則」 ，即進行本次綜合評價時，必須設定統一的評價指標體系，以客觀反映各不同方案的特點，便於進行比選；運用「全面性的原則」 ，即指標的設定要兼顧各個方案、兼顧結果與過程、兼顧規劃武漢理工人學碩士學位論文控制與近期建設，並要覆蓋城市規劃、交通改善、投資、建設可能性、環境等各個方面；運用「定性與定量相結合的原則」 ，即可以定量表述的內容盡量用定量指標來反映並建立數學模型，但是規劃方案的比選，亦需要定性的分析和判斷，因此指標體系中也納入了定性分析的內容。
  8. 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。
  9. The basic operation principle of phase - locked frequency synthesizer and the type of circuits are expatiated systematicly in this paper. the principle of operation on sampling phase detector and some characteristics including the linear tracking and phase noise in phase loop circuits are analyzed deeply. the research is emphased on the theory and design method of circuits in the sampling phase - locked frequency synthesizer. then, the expansion capturing circuit is analyzed and designed for better performance of capturing loop circuits. at last, the loop filter is also analyzed and contrived taking account of effection of additional phase shift by the sampling - holder. the general research on the theory and technology of sampling phase lock in the paper will make a basement for the development of new product

    本文系統的闡述了鎖相頻率合成器的基本工作原理及電路類型；較深入地分析了取樣鑒相工作原理及電路、鎖相環路的線性跟蹤特性和相位噪聲特性；重點對取樣鎖相頻率合成器電路理論和設計方法進行了研究；為了改善環路的捕獲性能，對擴捕電路進行了分析和設計，並用wewb32軟體對電路進行了模擬；考慮到取樣保持器的附加相移影響，對環路濾波器進行了分析和設計。
  10. Then according to the emphasis of the design, went deeply into the theory of pll frequency synthesizers widely used, described pll ’ s working principle, structure and several types in detail, and made research and analysis of pll frequency synthesizers ’ phase noise, including the effect of the active loop filter on the phase noise, and give some methods to make improvement as well, such as changing loop filter form, reducing divide number, and increase phase detector frequency, etc. then paper introduced the principle character and phase noise analysis of direct digital frequency synthesizer ( dds ) and injection phase lock circuit, which are also important circuits in the design

    論文首先對幾十年頻率合成器的發展進行概述，而後針對本次設計的重點，對應用較為廣泛的鎖相頻率合成理論進行了深入的探討，詳細介紹了鎖相環的工作原理、組成結構和鎖相類型，並對鎖相頻率合成器的相噪特性進行了研究分析，包括有源環路濾波器對于相噪的影響，提出了改善相位噪聲的幾點措施:改善環路形式、降低分頻數、增大鑒相頻率等。接著介紹了直接數字頻率合成器（ dds ）和注入鎖相電路的原理特點以及相噪分析，它們也是本次設計的重要電路。
  11. The components used in the system project are detailed analyzed. all the parts contributed to phase noise are discussed as emphases. this millimeter wave frequency synthesizer has better phase noise and wider band

    本文詳細分析了本系統方案及其特性，並對其中用到的鎖相環路各部件及其對系統相位噪聲性能的影響作了重點討論。
  12. At last we introduce the realization of all the parts, the problem in the circuit design and the measured data. the results show that the designed system has met the requirement. in this dissertation, direct digital synthesis technology has been used in the phase - locked frequency synthesizer, which can make full use of the characteristics of direct digital synthesis technology such as flexible output wave shape and continuous

    本課題將直接數字式合成技術用於鎖相頻率合成器中，該方法將直接數字合成的特點，如輸出波形靈活且相位連續、頻率穩定度高、輸出頻率解析度高、頻率轉換速度快、輸出相位噪聲低、集成度高、功耗低、體積小等與鎖相環路的頻帶寬、工作頻率高、頻譜質量好等優點有機的結合起來，從而在寬帶的條件下實現了比較好的雜散性能和相噪。
  13. The jitter simulation environment establishes the basis for the research of jitter transfer, jitter tolerance and timing budget in digital circuits

    相位抖動軟體模擬環境的建立為研究數字電路相位抖動的傳輸特性、忍受范圍、時間余量預算等建立了基礎。
  14. This paper introduces the principle of phase - locked loop and analyzes the performance characteristics of pll chip adf4106 which has wide bandwidth and low power consumption. and then introduces the design method of a kind of low phase noise frequency synthesizers which uses single chip processor to control the chip. the application supplies a good design method for high frequency synthesizer

    介紹了鎖相環路的工作原理，分析了低功耗寬帶集成鎖相環晶元adf4106的工作特性，並介紹了一種利用單片機控制該晶元的低相位噪聲頻率合成器的設計方法，討論了環路濾波器的設計，為高頻頻率合成器的設計提供了很好的思路。
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