相位失配 的英文怎麼說

中文拼音 [xiāngwèishīpèi]
相位失配 英文
phase mismatch
  • : 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...
  • : 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...
  • : Ⅰ動詞1 (兩性結合) join in marriage 2 (使動物交配) mate (animals) 3 (按適當的標準或比例加以...
  • 相位 : phase position; phase
  1. In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits

    論文首次提出並研究了加速度模糊函數和加速度分辨力的有關概念,並以加速度模糊函數為分析工具,詳細討論了加速度對線性濾波器的輸出信噪比的損程度、對多卜勒頻率分辨能力的影響程度、對最優參積累時間的約束關系以及線性濾波器輸出受加速度影響的容限等問題。
  2. Part iiilegal issues upon the reform of toll and tax in countryside this part is concentrated to show six problems that the reform of toll and tax in countryside is to be up against and is to be peremptorily settled as following : the first one, in the confirming of agricultural tax, it is very difficult to protect the farmer ' s rights fairly because of unscientific of the evidence at assessment, highly of tax rate, and the absence of law and statute correlatively ; the second one, on the tax levying, there lack of legal systems that is to supervise and run, especially lack of law and statute which lead to collect agricultural special tax canonically ; the third one, the reform of toll and tax in countryside extrudes unbalance burden among farmers and countries, and lead to unevenly between subject of tax payment, which breaches the legal rule of balanceable tax ; the fourth one, the reform of toll and tax in countryside faces the danger that farmers " burden tends to rebound because of weakly carry through legal rule on tax statutory and absent of law and statute correlatively ; the fifth one, the reform of toll and tax in countryside affects the finance and revenue - expenditure auditing of the grass roots and father affects the grass roots to raise fee upon public construction and education, as a result, there ' s more charge that is out of law, the monocracy of grass roots " finance ought to be carry out ; the sixth one, legal measures connect with the reform of toll and tax in countryside in dire need of to be built, which mainly conclude legal system that adjust country social security, country compulsory education and country debt

    第三部分? ?農村稅費改革的法律課題集中展示了農村稅費改革所面臨且亟待解決的六大法律問題。即:其一,在確定農業稅上,計稅依據不科學、稅率偏高、關法律規范缺,無法平等保護農民的合法權益;其二,在農村稅收的徵收上,缺乏行之有效的法律監督和運行機制,尤其是農業特產稅的徵收缺乏保障據實徵收的法律規范;其三,稅費改革凸顯農民之間、農村之間的負擔不均,使納稅主體的權利義務衡,有悖稅負均衡的法律原則;其四,由於稅收法定主義沒有得到有效貫徹,規制農民負擔反彈方面的法律法規缺,致使農村稅費改革潛伏著農民負擔反彈的風險;其五,稅費改革影響基層組織的財政收支,進而影響鄉村公益事業建設及教育經費的籌措,引發稅外亂收費沉渣泛起,基層財政體製法治化勢在必行;其六,與稅費改革關的套法律措施巫待構建,主要是農村社會保障法律體系、鄉村義務教育和鄉村債務疏導的法律支撐魚待構建與完善。第四部分一一農村稅費改革與關法律制度的構建基於上一部分提出的法律問題,力圖構築農村稅費改革的法律框架並提出應對策。
  3. Abstract : temporal properties of the second - ordre process with a chirped incident pulse are theoretically calculated. the chirp influences the irradiance and the pulse shape of the second harmonic wave with large phase mismatch. the phase distortion of all three waves is dependent more strongly on the chirp than on the phase mismatch

    文摘:討論了在大諧下,基波為頻率啁啾脈沖的二次諧波產生過程,結果表明選取合適的啁啾參量可以使二次諧波的光強提高,但同時會使其波形和發生變化.三波的畸變主要取決于入射的基波啁啾脈沖,而與諧量關系不大
  4. 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。
  5. It can save the information near lips, which may be deleted by the method based on two points. ( 2 ) based on the analysis of current methods, a new multi - pose facial feature location algorithm is developed, which is based on the analysis of multi - feature and integral projection, the combination of an iterative search with a confidence function and template matching. the algorithm not only improves the location accuracy, but also speeds up a great deal. ( 3 ) based on the analysis of the advantages and disadvantages of current feature extraction methods, an adaptive facial feature selection criterion is developed, which is based on facial local feature protrusion consisting of several aspects, such as face image resolution and image quality

    其後研究了人臉特徵提取,一、討論了適合於多姿態人臉識別的基於三點仿射變換的人臉圖像歸一化方法,以克服基於兩點仿射變換會引起較大圖像信息損的缺陷;二、在分析現有器官定演算法的基礎上,提出了新多姿態人臉器官特徵定技術,將多特徵和直方圖分析、基於置信度函數的迭代搜索和模板匹結合,既提高了器官定精度,又提高了定速度。
  6. Effects of intensity - dependent phase - matching factor on four wave mixing

    四波混頻中與強度有關的相位失配量及其影響
  7. 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,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、套建設」為根本方針,以國內外專家學者關研究成果為借鑒,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等,展開了具體的思路研究與探討。
  8. The numerical work gives out lot of results of different aberrations. the effects of the fundamental wave ' s aberrations, which will change the conversion efficiency, distribution of intensity and phase in the frequency conversion, is analyzed

    研究結果表明和走離效應是影響諧波的重要因素;像差在非線性光學過程中傳遞結果不是線性疊加的,而是非線性的。
  9. Secondly, with combination of a certain type of radar, the application of genetic algorithm to optimum code selection and the iteratively reweighted least - square mismatched filter design for sidelobe reduction are discussed. the favorable experimental results are obtained, especially for 64 phase code

    最後,我們結合某型雷達,以64碼信號為例,說明了遺傳優化演算法在編碼搜索中的優越性,並採用了迭代加權最小二乘演算法來設計濾波器以達到編碼信號的優化副瓣抑制目的,且給出了應的模擬結果。
  10. The reasons focusing only on ray travel times are " noise tolerance could be enhanced and the sensitivity to the environment model mismatch may be reduced by neglecting amplitude information ; phase ambiguity is eliminated by employing the group delay of arriving wave packets ; travel times are pseudo - linear functions of sound speed profiles of the medium, and the perturbation of ray travel time is much smaller than sound pressure ' s

    之所以選擇聲傳播時間的原因是:噪聲容限可以得到提高,並且傳播時間的計算可以不考慮聲壓的信息,從而降低了對環境模型的敏感性;的起伏也可通過到達包絡的群延時來消除;傳播時間是介質聲速分佈的偽線性函數並且傳播時間的起伏遠小於聲壓的起伏。
  11. Frequency code is not uniformity distribution and keeps to a probability distribution function defined by the spectral characteristics of the target of interest. the phase code is equally duality pseudo - random sequence and used to reduced the sidelobes of the signal correlation function. and the mismatch - phase sequence is corresponding with the frequency sequence one by one

    而頻率編碼為不均勻分佈,由所觀測目標的頻譜信息提取出概率密度函數決定頻率編碼序列的分佈;編碼為二元的偽隨機序列,採取均勻的二編碼,消減同頻脈沖帶來的過高的關函數的旁瓣;而為與頻率編碼一一對應于各子脈沖中。
  12. Then, based on the consideration of resolution limitation coming from intrinsic mismatch of resistor, we divide the d / a converter into 7 - bit voltage scaling d / a converter using the same resistors and 3 - bit charge scaling d / a converter using binary - weighted capacitors

    然後,基於對電阻本身固有的帶來的精度限制的考慮,經過具體計算確定了電阻分壓式d a轉換器為7應的權電容d a轉換器為3
  13. The effect of pump beam ' s walk - off and the group - velocity - mismatch in bbo crystal is discussed, the group - velocity - mismatch can be compensated by non - collinear phase - match when the angle between signal and idler beams equals to 14. 4

    當下轉換光與抽運光夾角達到13 . 4度時,非共線基本可以消除晶體中群速對下轉換過程的影響。
  14. To idiographic institution, the main causes of the debts forming are as follow : the finance rights and affair rights are digit in the process of the finance and tax system, the finance rights are up collecting, and the affairs rights are down moving, the finance gap formed in the process of the finance and tax system, the comparative economic shrink in the anaphase country reform, the finance ingathering became fewer : the political and the administration system reform is disjoint to the economic system reform, the village and town government financial action is lost echo obligation, the expenditure break through the budget, and so on, otherwise, the country financial system reform is lag, the invests are becoming bad for the country government intervention to economic field, the country government action is short of efficient criterion, cut down the centre transferring geld to the farmers and delay to carry out the legal payment ; the effective supervision to the loan is short of about national to the non - financial machine, and so on, so the debts form at last

    但從根本講,還是制度的原因,是國家通過制度的安排來對利益進行重新分,導致鄉鎮政府財政收入短缺,產生債務需求,最終形成債務。從具體的制度上看,主要有:財稅體制改革中的財權與事權的錯,財權向上集中、事權不斷下移;農村稅費改革產生財政缺口;農村改革後期出現的經濟對萎縮,財政收入減少;政治制度和行政管理制度改革與經濟改革脫節,鄉鎮政府財政行為去應有的約束,導致開支突破預算等等,產生債務需求。另外,農村金融體制改革的滯后;鄉鎮政府對經濟領域的高度介入,出現經濟投資虧損;政府行為缺乏有效規范,截留老百姓的轉移支付款項、拖延履行法定支付義務;國家對非金融機構借貸行為缺乏有效監管等等,產生債務供給。
  15. We also use fourth runge - kutta method simulate the opcpa process in the case of considering signal and pump temporal profile and phase mismatching and get gain and spectra properties at different pump temporal profile

    我們還在考慮時間波形和相位失配的情況下,利用四階龍格-庫塔法對光參量啁啾脈沖放大進行了數值模擬計算,得到了不同泵浦光時間波形時的增益與頻譜特性。
  16. One reason for that is the dismatching of effective mass and dielectric constant between the well and the barrier, another important reason is the consideration of the correlation between confined and non - confined direction in the wider well condition

    其原因是除了考慮了阱壘中電子有川北帥他人學顧十研究生學論義蘇會效質量及介電常數的性外,更重要的是在寬階時不能忽略限制方向與非限制方向的關性因素
  17. In order to improve the properties of materials, one needs to understand the structural relationship between interface and matrix of the materials, such as interface atomic structure, misfit dislocation, chemical bond structure, stress field distribution, composition segregation etc. there are tremendous research works on the grain boundary and interface structures during last century and the sophisticated theory about grain boundary and interface, i. e. coincidence site lattice and 0 - lattice theories had been developed simultaneously

    眾所周知,材料的宏觀性質是由其微觀結構所決定的,因此,為了改善材料的宏觀性能我們有必要弄清楚材料的界面與基體之間的結構關系,如界面的原子結構、錯、化學鍵合、應力場的分佈等等。在上世紀,人們已對晶界和界面結構進行了大量的研究,同時,關的理論如「重點陣」和「 o -點陣」理論也發展成熟。
  18. We analyze the generation of external cavity frequency - doubling with knbo3 crystal theoretically. in order to get the second - order nonlinear conversion from 858nm to 429nm with knbo3, we use non - critical type - i phase - matching to avoid the walk - off effect the corresponding optimum focusing condition is as followings : double refraction parameter b = 0, focus parameter = 2. 84, optimum phase mismatch parameter = 0. 574. based on the theoretical analysis and numerical calculations, we obtain the ideal nonlinear conversion coefficient about 1. 45 % / w with crystal length of 7mm and 2. 07 % / w with crystal length of 10mm at the phase - matching temperature around 23. 50c

    根據對其倍頻原理及性能的分析討論,在用該晶體完成波長從858nm到429nm的二階非線性轉換時,採用非臨界條件(此時無離散效應,對應的雙折射參數b = 0 ,共焦長度為= 2 . 84 ,最佳相位失配因子為= 0 . 574 ) ,在溫度約為23 . 5時,理論上通過計算得到理想情況下非線性轉換系數約為1 . 45 / w (長度為7mm ) , 2 . 07 / w (長度為10mm ) 。
  19. The cancellation performance ( cp ) of cancellation loops, which constitute the feed - forward amplifier system, is investigated mathematically and the simulation results are given. the effects of amplitude imbalance, phase imbalance and delay mismatch on the cancellation performance of a cancellation loop are fully analyzed

    本文分析了前饋功率放大系統中抑制環路的工作原理;推導了幅度相位失配、延遲對環路抑制能力的理論解析式,並進行了模擬研究。
  20. The method digitally modulates the pseudo - random fsk / psk multi - modulation signal and the partly - matched processing signal of this signal with the same frequencies sequence and phases sequence in the same time, additionally, add a mismatch - phase sequence to the partly - matched processing signal

    設計的方法是對偽隨機fsk / psk復合調制信號與非完全匹處理信號採用同的頻率的數字調制( fsk ) ,同的的數字調制( psk ) ,並對非完全匹處理信號增加
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