自協方差 的英文怎麼說

中文拼音 [zìxiéfāngchā]
自協方差 英文
auto covariance
  • 自 : Ⅰ代詞（自己） self; oneself; one s own Ⅱ副詞（自然;當然） certainly; of course; naturally; willin...
  • 協 : Ⅰ形容詞（共同） joint; common Ⅱ動詞（協助） assist; help; aid
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 方差 : dispersion
  1. In this paper, coordination accuracy calculating program is developed based on studying the main way and method of solving coordination problem, which is able to calculate self - motion and distribute tolerance in reason through input alternant information

    研究了解決協調問題的主要方法，由此開發出協調準確度計算軟體，具有互動式信息輸入、自動計算、合理分配公差等功能。
  2. The apec approach, which features respect for differences, equality, mutual benefit, voluntarism and consensus, should be upheld

    應堅持以尊重差異、平等互利、自主自願和協商一致為主要特點的合作方式。
  3. It has its own basic features in its approach, that is, giving full consideration to the diversity of its members and acknowledging their divergence at the level and stage of development as well as the consequent differing interests and needs ; laying emphasis on flexibility, step - by - step progress and openness ; adhering to such principles as equality and mutual benefit, consensus, seeking common ground while putting aside differences as well as voluntarism ; and combining individual with collective actions

    它的運行方式具有自己的基本觀點，這就是：充分尊重各成員的多樣性；承認成員之間發展水平和發展階段上的差異及其帶來的不同利益與需求；強調靈活性、漸進性和開放性；遵循平等互利、協商一致、求同存異、自主自願的原則；實行單邊行動與集體行動相結合。
  4. On " apec approach ", president jiang pointed out that apec has its own basic features in its approach, that is giving full consideration to the diversity of its members and acknowledging their divergence in the level and stage of development as well as the consequent differing interests and needs ; laying emphasis on flexibility, step - by - step progress and openness ; adhering to such principles as equality and mutual benefit, consensus, seeking common ground while putting aside differences as well as voluntarism ; and combining individual with collective actions

    關于" apec方式" ，江主席指出， apec的運行方式具有自己的基本特點，這就是：充分尊重各成員的多樣性，承認成員之間的發展水平和發展階段上的差異及其帶來的不同利益與需求強調靈活性漸進性和開放性遵循平等互利協商一致求同存異自主自願的原則實行單邊行動與集體行動相結合。
  5. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。
  6. This thesis brings forward that it is necessary to develop image - building by planning and design of small towns mainly for tourism from the height of region aiming at some phenomena of desultorily constructions, monotone and simple view, buildings with no design and culture happened and happening in some of this type of towns. the author analyses the system, structure, elements of these small towns through the theory of city identity system and " the image of city " with five elements. on the basis of it, the author studies the structure of sights and the embodiment of characteristic sights and advances the emphases of image - building by planning and design at three different aspects : the region or aero as a whole, the town as a whole and the part of the town

    論文針對當前重慶市許多旅遊型小城鎮形象建設雜亂無章，城鎮建設面貌單調乏味，建築缺乏設計和文化內涵，城鎮旅遊接待環境條件差，提出有必要站在區域的高度，對這類小城鎮進行形象規劃和設計，運用城市識別系統cis （ cityidentitysystem ）和「城市意象」五要素的原理來分析小城鎮系統結構和要素，以便能夠清楚地認識研究對象，在此基礎上分析旅遊型小城鎮的景觀構成及特色體現，提出了旅遊型小城鎮形象在宏觀、中觀和微觀三個層次上規劃設計的重點，並從理論上分析從實踐中總結出旅遊型小城鎮形象規劃設計的一般原則、方法表達方式及手段等，最後本文運用前面的理論和方法分析了重慶市的兩個典型的旅遊型小城鎮，並進一步得出結論，即旅遊型小城鎮形象建設是一個系統工程，要從規劃和設計兩個角度，結合旅遊的優勢，結合地方，結合自然，既有整體又有重點地對旅遊型小城鎮形象進行塑造，使得旅遊與小城鎮的建設和發展互相融合，協調發展，相得益彰。
  7. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點，提出多變量協調控制方案，解決了系統可控性差，難以實現穩定自動運行的問題；在此基礎上，改變以往以煙氣含氧量控制送風的傳統模式，針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重，煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題，應用智能控制理論中的模糊控制技術，結合自尋最優控制的思想，設計了一種模糊自尋優控制器，應用在電站鍋爐送風控制系統上，並闡述了動靜態兩種實現途徑，通過在線優化風煤配比，實現最佳經濟燃燒，切實保障了鍋爐的經濟運行。
  8. First of all, we bring forward the basic project of tadil, which adapts to combined operations. it is suggested to use tdma ( the abbreviation of time division multiple access ) as the working pattern and utilize the concept of mobile ad hoc network to construct the data link network. aiming at the impact of time delay on data link and the characteristic of cooperative combat under the command of director aircraft, this thesis applies a kind of kalman filtering algorithm in polar coordinates to compensate the error of time delay, and then does the transformation of target motion parameters to obtain the current information of target

    本文結合空軍裝備部某「十五」預研課題，圍繞著戰術數據鏈、多機協同多目標攻擊、超機動攻擊、空對地攻擊這四個方面展開了一系列的研究工作:本文首先給出了適應三軍聯合作戰的戰術數據鏈系統的基本方案，建議採用時分多址的工作模式，並利用移動自組織網路的概念構建數據鏈網路，同時針對數據鏈傳輸信息的時間延遲特性和指揮機指揮下的多機協同作戰特點，應用一種極坐標系下的卡爾曼濾波演算法對該傳輸延遲誤差進行補償，並在此基礎上進行目標運動參數的轉換，以獲得目標相對于某無人機的當前運動信息，且利用模擬驗證了方法的有效性。
  9. Before my recent trip to india to assist in master s drought relief project, i was often troubled by mundane affairs and aspired to live a free and easy lifestyle in which i could take care of my living expenses, minimize outside activities and thus help myself in my spiritual practice. however, being unable to distinguish between " needs " and " wants " in my life, i could never make ends meet

    平常容易為世俗事焦慮的我，在去印度協助賑災前，一直想透過內邊的靈感，找到一種自在的生活方式：既可以應付生活開銷，又能將外在的活動減到最低，並能夠幫助修行的方法，但因自己無法分辨需要與慾望的差別，以致收支一直無法平衡。
  10. And then, thesis explicates the reasons of the difference from five aspects including natural resource, area conditions, labor conditions, technical conditions and industry structure. furthermore, the thesis points out that the sustainable utilization of natural resource, the adjustment of labor structure, improvement of labor qualities, the employment of advanced science and technology and reasonable industry structure are critical to the improvement of rural economy ' s integral, power and comprehensive competition. at last, this thesis puts forwards a series of policies and countermeasures, such as accelerating urbanization of villages of villages to develop increasing pole, enchanting agricultural, industrialization to strengthen the industry foundation, improving the help and development policies to the poor to strengthen the district economic cooperation and the coordination effect by decreasing the limits of the poor, and so on, which can encourage each area display its advantage and supply what the other needs and make the rural economy coordinated and commonly flourishing

    根據分析結果將11個市劃分為省內發達區域、中等發達區域和不發達區域三種類型，將138個縣（市）劃分為由高到低七個等級；對差異產生的原因從自然資源、區位條件、勞動力條件、技術條件、產業結構等五個方面進行了系統探討；並從更深層次上指出，土地等自然資源的可持續利用，勞動力構成優化、素質提高，先進科學技術的適用，產業結構的合理布局等對農村經濟的整體實力和綜合競爭力的提高起決定性的作用；最後，在河北省農村經濟協調發展的角度，提出了「因地制宜，揚長避短；優勢互補，共同發展」的指導思想和「鼓勵先進，鞭策后勁；區域聯動，全面協調」的基本原則，並進一步提出了加大小城建設? ?培養增長極，推進農業產業化經營? ?強化產業基礎，改善扶貧開發政策? ?降低后勁制約以及加強區域經濟聯合? ?增強協調效應等綜合措施。
  11. Studies have been made on arithmetic realization of apsd estimate in a high - speed detect system, since the way of calculating cpsd is only a little different from that of calculating apsd

    鑒于互功率譜密度估計演算法只需將自功率譜密度估計演算法中的自協方差函數換成互協方差函數，本文僅研究和討論了自功率譜密度估計演算法及其實現。
  12. Under ideal conditions, adaptive array signal processing methods can get excellent performance and adaptive beamformers provide an improvement in array output signal - to - interference - plus - noise - ratio ( sinr ) in comparison with conventional beamforming. in practical operating circumstances, the performance of adaptive array signal processing methods degrade extremely due to existing errors

    但是，在實際系統中總存在有誤差，包括自適應訓練樣本有限次快拍引起的協方差矩陣的估計誤差和各種系統誤差，誤差使得實際陣列流形與理想陣列流形存在差異，這時自適應陣列信號處理的性能會急劇下降。
  13. Then, sage adaptive filtering usually used in kinematic gps navigation and positioning and its shorcoming are analyzed. the weights of measurement residuals and state correction residuals are modified according to the self - correlation property of colored noise and robust estimation. the procedure of weighte d prediction of covariace matrix not only resists the influence of outlying kinematic model errors, but also controls the effects of measurement outliers

    然後，分析了目前常用於有色噪聲處理的sage自適應濾波及其在動態gps導航定位應用中的缺陷，並依據有色噪聲的自相關特性和抗差估計調整觀測殘差和狀態改正數的權比，再通過加權預報控制殘留在其中的異常對協方差矩陣自適應估計的影響。
  14. We analyses the different result of pca by using autocorrelation matrix and covariance matrix, and point out that the express of pca is different but the error are the same

    分析了用協方差矩陣和自相關矩陣得出的pca表達是不同的，但是兩者的誤差是相同的。
  15. The first chapter introduces several important models of investment portfolio in the present capital market, such as covariance model, capital asset pricing model, single index model and arbitrage pricing theory. in the last of this part, the thesis analyse strongpoint and disadvantage of each model

    第一章詳細介紹了目前資本市場上關于投資組合的幾個重要模型，如協方差模型、資本資產定價模型、單指數模型和資產套利模型等，在本章的最後，論文對這些模型各自的優缺點進行了簡單的分析比較。
  16. They are detailed as follows : 1. to construct covariance matrix with time correlation and distance correlation. both observational data and theoretical model results has its respective errors, upon which both covariance matrix being produced

    具體內容為如下幾個方面： 1建立時間相關的協方差矩陣處理方法在估值類的同化方法中，觀測數據與理論模型結合的橋梁是各自的協方差矩陣。
  17. It comes up with a new notion, d - solution, which is applied to the distance estimation, by virtue of hilbert space ; furthermore, the dissertation has gained a necessary condition which is identity of minimum mean - square value in linear function classes, so that d - solution extends minimum mean - square value within the domain of nonlinear function equation or equation system ; and, the dissertation studies in detail the classical moment estimation and maximal likelihood estimation on the parameters of ar ( p ), a series of theorems in the estimation section shows the moment estimators are consistent on the ground of large samples jikewise, those distribution functions of the estimated parameters accord to maximum likelihood estimation converge gauss distribution if the white noise is gaussan

    首先，藉助hilbert空間理論，提出了距離估計的d -解，給出了d -解的必要條件，這個條件在線性函數類里即是極小二乘估計法， d -解的必要條件滿足的方程實質上將極小二乘估計法推廣到多函數及非線性函數類。再而，詳細地研究了多元弱平穩序列自回歸模型ar （ p ）的參數經典的矩的替代估計和極大似然估計，獲得矩的替代估計的一致性的結果。對基於gauss白噪聲假設多元弱平穩序列自回歸模型的均值、白噪聲的協方差陣的極大似然估計都有依分佈收斂到多元正態分佈的統計性質。
  18. An adaptive kalman filter combining variance component estimation with covariance matrix estimation based on moving window

    基於移動開窗法協方差估計和方差分量估計的自適應濾波
  19. The second part is a introduction to methods and models : vector autoregression, the cointegration of vector autoregression, and impulse response function and variance decomposition, which is on the basis of vector autoregression

    第二部分是模型方法介紹。介紹了向量自回歸模型，向量自回歸模型中的協整，以及基於向量自回歸模型基礎上的脈沖響應函數與方差分解。
  20. We highlight the key points of this dissertation at the end of this charter. in chapter 2, a modified projection transformation method is presented, which utilizes preliminary estimation of interference doa. it is demonstrated that the side lobe performance of adapted antenna patterns can be significantly improved with this method and increased convergence rate of adaptive algorithm when the array manifold is not known exactly

    針對投影預變換在大信噪比時性能下降的缺點，提出了一種改進的基於投影預變換自適應波束形成演算法，通過對陣列協方差矩陣進行降維處理，既可抑制擾動誤差又可降低運算量，增強陣列的sinr輸出，具有良好的波束合成性能和較快收斂速度。
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