正序分量 的英文怎麼說

中文拼音 [zhēngxùfēnliáng]
正序分量 英文
positive sequence component
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  1. In this article, firstly the background of the textile trade conflicts within sino - us or sino - euro are introduced, thus learn that how to discern and dodge the foreign trade risks, how to choose the appropriate investment projects have already become one of the most important questions for exporting companies on foreign trade affairs well - known as high investment and high risk. so the main text makes a risk analysis qualitatively and quantitatively on a textile - exporting trading company from three angles of statistic 、 game theory and portfolio theory, which is the main content that we studied. firstly, the statistic article adopts data of the transaction closing price of the textile clothing index in shenzhen stock exchange at the end of each quarter as well as several other kinds of data reflecting the macro - economic changes, performs an empirical analysis of these data according to the theory of co - integration test 、 granger cause test and impulse response function of time series in economitric, and learn that the impact to ti is more obvious by the economic index reflecting local commodity price level and economic prosperity degree home and abroad, as well as the impact degree and the time lag degree, and knows the macro - economic risks faced by textile business enterprises ; after that by the game theory angle we analyze exactly the managing risks faced by one textile export corporation named beauty. from the game expansion chart the system arrangement between censor ways by exportation goal countries and exporting strategies by the exporting enterprises has been analyzed. involving the benefit assignment between them both the limited rounds and infinite rounds negotiations of cooperation games have been studied, and then country responsibility and the enterprise managing risks on foreign trade affairs and so on have been analyzed exactly ; in order to realize the investment multiplication in the certain degree to disperse the risk, the

    本文首先介紹了中美、中歐紡織品貿易爭端的來龍去脈，由此可知在涉外貿易這種以高投入、高風險著稱的行業里，如何甄別和規避外貿風險、如何選擇合適的投資項目已經成為外貿企業的首要問題。因此，正文分別從統計學、博弈論和投資組合三種角度對涉外紡織品貿易公司風險進行了定性和定量的分析，這也是本文的主要研究內容。首先，統計學篇選取了深圳證券交易所行業分類指數?紡織服裝指數（ ti ）每一季度末的交易收盤價和若干種反映宏觀經濟變化的指標，利用計量經濟學中時間序列的協整檢驗、 granger因果檢驗和脈沖反應函數等理論做實證分析，從而得知反映國內物價水平和國內外經濟景氣程度的經濟指標對紡織板塊上市值的沖擊比較明顯，且可知沖擊程度和時滯度，進而分析出涉外紡織企業所面臨的宏觀經濟風險;接著，從博弈論的角度具體分析一家紡織品出口公司（ beauty ）的外貿活動所面臨的各種經營風險，該篇從博弈擴展圖入手，分析了出口目的國審查方式與本企業出口策略之間的制度安排;並圍繞雙方的利益分配，研究了有限回合和無限回合合作談判博弈，然後具體論述了國家責任和企業涉外經營風險等問題;在一定程度上為了實現投資多元化來分散風險的目的，投資組合篇從經典的markowitz模型著手，在一些特定條件的限制下，給出了一個相應的投資組合模型。
  2. This paper focuses on the control strategies to improve the performance of the three - phase ac - dc pwm voltage - source - converters ( vsr ) under unbalanced power supply. the problems such as negative sequences current, voltage and current harmonics and un - constant ( un - smooth ) power flow from ac to dc side are discussed in this paper. the analytical solutions for negative sequence current and harmonic current elimination are obtained by fully feed - forward of negative sequence voltage and producing a non - harmonic current command of the inner - loop

    電網不平衡時，基於電網平衡為約束條件設計的三相vsr將出現不正常運行狀態，比如三相vsr交流電流中出現負序分量，使交流電流嚴重不對稱；直流電壓和交流電流中出現非特徵諧波分量，使直流電壓和交流電流波形發生嚴重畸變；三相vsr從電網吸收不平衡的瞬時功率等一系列問題。
  3. This thesis proposed a real - time detection method for fundamental negative - and positive - sequence based on space vector

    本文提出了一種基於空間矢量概念的基波正序、負序分量實時提取新方法。
  4. Abstract : by using of instance, this paper gives c program about animal selection by the principle of normal distribution, provides convenience for practice selection

    摘要本文僅從實用角度出發，通過應用示例給出根據正態分佈原理進行家畜數量性狀選擇的c語言程序，為實際選種提供方便。
  5. 3. the dissertation proposes the extended kalman filter based to estimate the fundamental symmetrical component of the ps and the frequency while the frequency is unknown

    在電動機變頻調速系統的頻率未知條件下，給出了基本正序對稱分量和頻率估計的擴展卡爾曼濾波方法。
  6. Based on the adaptive interference canceling theory and the concept of space vector, an adaptive fundamental positive / negative sequence component and harmonic component detecting method is developed. due to the close loop structure, this method has quite good robustness, and can meet the requirement of the asymmetrical control of hvdc - vsc well

    運用自適應干擾對消原理和空間矢量的概念，提出了一種基波正序分量、基波負序分量及諧波分量的自適應檢測方法，並進行了詳細的理論分析，為研究hvdc - vsc的不對稱運行控制奠定了基礎。
  7. On the analysis of the theory of instantaneous reactive power, the paper brings forward a new harmonic detection method based on multiple frequency transform. the detection theory of positive sequence harmonic and negative sequence harmonic is respectively proved in detail. the correlative concepts are defined and the simulation validates the feasibility of this method

    本文在分析瞬時無功功率理論的基礎上，提出了一種基於倍頻旋轉變換的諧波測量方法，分別針對正序和負序分量，從理論上證明了該方法能分離出單個的諧波，給出了相關量的定義，最後通過模擬驗證了該方法的有效性。
  8. Finally, the demonstration & analysis on the electronic and telecommunications equipment industry have been put up in the state - owned layer in this paper which is the first support industries for china. the sufficienty & essentiality have been demonstrated of that guideline of both economic benefit and science & technology act as input variables for measure. the material guideline system has been constructed to indicate the two order - parameters and self - organization synergetic macro effect of industrial organization s

    在論證了經濟效益指標、科技評價指標作為測度輸入變量的充要性，構造了充分表徵專業化、信息化序參量和產業組織系統自組織協同宏觀效果的具體指標體系基礎上，給出了產業組織系統有序度、協同度模型，並應用此模型實證了該產業組織系統近幾年協同演進狀況，計算結果與事實相符，為該產業的進一步協同發展提供了重要的戰略依據，同時進一步證明了本文理論的正確性與客觀性。
  9. At last distribution functions of load modes in life service are presented. based on the resisting force model and load model, the limit state equations of rc bridge are formulated. according to the resisting force is time - dependent and vehicle load is the non - gaussian distribution, jc method is applied to calculate the time - dependent reliability index of rc bridge

    在抗力衰減模型及橋梁荷載模型的基礎上，將可靠度理論引入橋梁結構的評定中，推導出了橋梁結構耐久性極限狀態方程，並根據耐久性極限狀態方程中抗力是時間的函數，以及車輛荷載為非正態分佈的特點，應用當量正態法（ jc法）編制相應的程序計算橋梁構件的時變可靠度指標。
  10. Both w1 and w2 are related to the strength of the interactional potential energy. otherwise. otherwise w1 is in proportion to the scalar order parameter s approximately, and w2 is relate to the biaxial order parameter

    它們都和兩種分子間作用勢強度有關， w _ 1正比于標量序參量s ， w _ 2正比于雙軸性序參量p 。
  11. In order to consider the different heating of positive - sequence current and negative - sequence current of the motor stator generally, the equivalent current is adopted instead of the traditional phase current. the way how to gather positive - sequence current and negative - sequence current is brought forward, and the recurrence fourier - algorithm is adopted to calculate the effective value of current and voltage, the effective value of positive - sequence current and negative - sequence current

    為了全面考慮感應電動機定子正序電流和負序電流的不同發熱效應，提出了正序電流和負序電流獲取的方法，並採用遞推傅氏演算法來實現電流、電壓及電流正序和負序分量的有效值的計算。
  12. Through the i 、 q component of ipix radar sea clutter data " s histogram analyses and by skewness and kurtosis computed, it is been shown that sea clutter amplitude is not rayleigh distribution ; through the comparison of amplitude histogram and distributed models with the same parameters, it is been shown that hh polarization clutter is lognormal distribution, whereas vv polarization is k - distribution ; at the same time the correlation function and power spectrum density are been analyzed, at last the correlation compound k - distribution stochastic sequences whose covariance matrix is been given are been generated through sirp algorithm

    文中先介紹了海雜波幅度的有關模型，通過對ipix雷達海雜波數據的i 、 q分量的直方圖以及傾斜度和峰度進行了分析和計算，證明了海雜波幅度不服從瑞利分佈;使用幅度直方圖和相同參數下的各種分佈模型進行比較，得出hh極化符合對數正態分佈，而vv極化服從k -分佈的結論;同時對海雜波的相關函數和功率譜進行了分析，最後使用sirp演算法產生了給定協方差矩陣的相關復合k -分佈隨機序列。
  13. Based on the concept of space vector, an open loop detecting method for the fundamental negative and positive sequence components as well as the harmonic components is developed, which combining the conventional detecting method based on filters and the concept of space vector. this method can overcome the defaults of the conventional detecting method, and can meet the requirement of the asymmetrical control of hvdc - vsc

    基於空間矢量的概念，提出了一種開環的基波正序分量、基波負序分量及諧波分量的實時檢測方法，這種方法可以看作是空間矢量的概念與傳統的基於濾波器的諧波檢測方法的結合，它能夠克服原有的基於濾波器的檢測方法的不足，可用於hvdc - vsc的不對稱運行控制。
  14. The algorithm of strapdown inertial navigation system is also discussed and then use the flight - track generator to give a simulation, since a closed loop feedback integrated navigation system is designed in this paper, and the output of the filter must feed back to the strapdown inertial navigation system, the analysis of the algorithm in strapdown inertial navigation system is important. the scheme to design the trajectory of gps and the simulation of gps constellation are then studied, the simulation of gps constellation is given from the calculation of vernal equinox base on the principle of celestial mechanics, this method of different from other methods given by other paper and is useful to the research of satellite navigation system. a new method to abstract noise modal in integrated navigation system is proved to be useful in practice, this method, which is given by use the principles of stochastic processes, statistics, time series analysis, and system identification, is suitable for the kalman filter in integrated navigation system

    如航跡產生器的設計，該航跡產生器是研究組合導航問題的前提，從國外一些研究組合導航系統的文獻中可以看出，設計這樣一個航跡產生器是非常必要的，所以本文自行設計了這樣一個系統；還討論了捷聯慣性導航系統中捷聯解算的方法，並進行了模擬研究，由於在本文設計的閉環反饋式組合導航系統中，對捷聯慣導系統的平臺誤差進行閉環控制，需要將濾波器輸出的校正量反饋到捷聯解算內部，所以必須對捷聯解算進行深入的研究和分析，更何況捷聯解算問題本身也是導航界的一個熱門研究課題；另外，本文還介紹了gps軌道及其星座模擬的設計思想和方案，與以往gps軌道和星座模擬不同的是本文從天體力學中計算春分點開始，逐步進行gps軌道及其星座模擬，這樣的設計方法對從事衛星導航的研究工作是有價值的；還對組合導航中誤差建模方法進行了研究，綜合運用隨機過程、概率統計、時序分析及系統辯識等方面的理論提出了一套適合組合導航卡爾曼濾波的誤差建模方法，並運用實際研究工作中的測量數據對該方法進行了驗證。
  15. Let { xn ; n > 1 } be mutually identically independent random variables distributed according to the normal distribution, { sn, n > 1 } be finite partial sum series, the purpose of this paper is to investigate law of the iterated logarithm type results for special finite partial weight sum series { sn, n > 1 }, we assume that sn = a1sn + a2 ( s2n - sn ) + a3 ( s3n - s2n ) +. . + ad ( sdn - s ( d - 1 ) n ) in the second chapter, theory 2 by using the method of literature [ 8 ], we extend hartman - wintner law of iterated logarithm on the gauss distribution. we substitute negative correspond for independent. it extends the corresponding results in gauss distribution

    設{ x _ n ； n 1 }是獨立同分佈的且服從標準正態分佈的隨機變量序列， { s _ n ， n 1 }是其部分和數列，討論有限項特殊加權部分和{ s _ n ， n 1 }的重對數律，其中定理2利用文獻[ 8 ]提供的方法，在高斯分佈上改進了hartman - wintner的重對數律，取消獨立性用更弱的條件負相關代替，大大拓寬了重對數律在高斯分佈中的使用范圍。
  16. What the practical problems is often gotten is a single variable time series which has a time interval of t, reflect by a lot of interactive physics factor, containing the mark of all variates participating in movement, traditional time series analysis is to analyse going from this array to the form directly it ' s time develops, one dimension analysis loses useful information, the characteristics of phase space reconstruction method is to construct one dimension scalar quantity to high dimension vector, prop the geometry space of the state, show all dynamical information of system in phase space. the characteristic that just constructs again according to the phase space in this text, analyse the time series of responding, use the relevant knowledge of symbol dynamics and reconstruct phase space, put forward a kind of relation degree analysis method of the systematic mathematics model which has theory basis, so reach the correction of calculation mathematics model, make it accord with the actual systematic state

    實際問題中常常得到的是一個時間間隔為t的單變量的時間序列，它是許多物理因子相互作用的綜合反映，蘊藏著參與運動的全部變量的痕跡，傳統的時序分析是直接從這個序列去形式地分析它的時間演變，一維分析必然喪失許多有用信息，相空間重構方法的特點是把一維標量數據構造成高維矢量，支起狀態的幾何空間，在相空間中展示系統全部動力信息。本文正是根據相空間重構的特點，對響應時間序列進行分析，利用符號動力學、重構相空間等方法，提出一種有理論依據的系統數學模型關聯度分析方法，從而達到修正計算數學模型，使其更符合實際系統狀態的目的。
  17. The design principle and data flow of process quality control is discussed. the paper then puts forward an algorithm of control principle in process quality control system and the modification coefficient ( a ) in the control chart of spc. a prototype for process quality control system is designed and implemented

    研究了工序質量控制系統的設計原理，工序質量控制系統的數據採集與處理，工序質量控制系統中監控原理的演算法，提出適應erp環境的spc控制圖中的修正系數的原理與方法，並設計與實現了一個工序質量控制與分析系統。
  18. Abstract : in this paper, a variety of encryption methods for optical image security are comparatively studied. according to the different method, the encrypted image can be transformed into white or color noise. the encryption phase can be the random phase or the chaotic sequence as well as the calculated result by used of the phase retrieval algorithm. the image quality and the correlative recognition ability of decrypted image are affected by the different part of the decryption phase and the amount of high frequency or low frequency used in the process of decryption

    文摘:本文分析比較了多種實現光學圖象相位加密的方法，發現不同方法獲得的加密圖象有不同類型的噪音分佈.無論加密相位是隨機相位模板、渾沌序列的相位列陣，還是用相位重構迭代演算法計算的結果，它們都能起到加密圖象的功能.解密圖象的質量或被相關識別的能力與解密過程中所使用正確解密相位的不同部分以及高低頻分量多少有關，且其依賴程度是由不同的加密方法自身決定
  19. And in addition, the paper explores the aspects of internal fluctuation, which is viewed as the random choices of the cognitive subject, how it is depend on the initial conditions and is enlarged by the method of positive feedback with step by step on the views of the nature, material outlook and thought modes. what ' s more, under the controls of the nonlinear interactions, the paper respectively explores the development principle in the culture of technology and science between the west and the east on the aspect of attractors and the order parameters, which result from the cooperation and competition. finally, the paper correctly formulates the different value preference in accord with the attractors and the order parameters, and focuses respectively on the traditions of the eastern pragmatic preference and the western contemplative preference and technological preference

    在此基礎上，從東西方科技文化的發生和起源入手，從耗散結構的觀點出發，考察了認知主體的隨機性選擇這種文化的內漲落因素，是怎樣依託于各自不同的初始條件?地理氣候條件，在自然觀、物質觀和思想模式方面一步步得到正反饋式的放大;進而，在文化系統內部種種非線性的相互作用下，從競爭和協同所必然產生的序參量和吸引子兩個方面，分別考察了東西方科技文化不同的發展規律，聚焦東方的實用化取向和西方的思辨化、技術化取向的影響機制，從它們在不同時期所發揮的不同作用正面回答了「李約瑟難題」 。
  20. The integrative chilling damage index successions of 22 representative stations for 44 years were calculated. let those successions consist of a matrix. do eof to the matrix and get two meaningful eigenvector fields, and therefore two main patterns about the spatial distribution of winter chilling damage in guangdong was found : the whole distribution pattern and the south - north distribution pattern

    計算了22個代表站44年的綜合寒害指數序列，構成一個綜合寒害指數序列的時變矩陣，對該矩陣進行自然正交分解，獲得了2個有意義的特徵向量場，由此發現廣東冬季寒害的地域分佈主要有2種型式：整體分佈型和南北分佈型。
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