虛變量法 的英文怎麼說
中文拼音 [xūbiànliángfǎ]
虛變量法
英文
dummy variables-
Brings forward the basic network cell model of symmetrical blast vault and asymmetric blast vault. then studies and analyses airflow in vault of main voltage switchyard hall of xiluodu hydropower station which is far cry and large numbers of airflow conflux, brings forward concept of “ virtual embranchment ” and corresponding basic network cell model, regresses calculate expressions of flux uniformity coefficient and impedance of “ virtual embranchment ” of vault of main voltage switchyard hall of xiluodu hydropower station
而後又採用cfd數值模擬的方法對溪洛渡水電站主變洞排風拱頂這種多股氣流匯流的長距離通道內的氣流流動進行了分析，提出了「虛擬分支」的概念和相應的網路基元模型，並回歸得到了溪洛渡水電站主變洞排風拱頂各個排風「虛擬分支」風量均勻系數以及阻抗的計算公式。And also expounding that the first - fight - time can give explanation to the advanced techniques, the estimating ranges of first - fight - time in alcc estimating are expanded. the type - changed index and type - difference are selected as dummy variables. it has discussed mearsursion of type - changed index, and three criterions and three methods to set models including the dummy variable are got
說明性變量選取：說明性變量的選取基於費用因子分析，特別討論了首飛時間對費用預測的影響，論述了首飛時間能對技術先進性作出說明，拓寬其在費用預測中的作用，選取改型指數虛設變量，研究了改型的量化方法，提出了判別準則和實現方法。Based on funds holding stocks sample and whole stocks sample, it uses cck adjusted model to test the existence of herd behavior of funds and that of the whole stock market. then, it inserts dummy variable dt in cck adjusted model to testify whether herd behavior of funds and that of the whole stock market are the same in scale to prove whether herd behavior of funds makes stock prices fluctuate in the whole stock market
本文主要採用實證研究的方法，首先運用cck校正模型，按基金持股樣本和股市整體樣本，分別檢驗基金羊群行為及股市整體羊群行為是否存在；其次，在cck校正模型的基礎上引入虛擬變量d _ t ，建立虛擬變量模型，以檢驗基金與股市整體羊群行為的顯著程度是否相同，從而證明基金羊群行為能否引起股市整體價格的波動。According to the characteristics of recent publications, the paper discusses the cataloguing for western language materials from several facets, that is, the description of multimedia documents based on usmarc, some changes under the impact of usmarc format integration, virtual resource cataloguing, and provide measures ensuring the quality of bibliographical data sharing and online cataloguing
文章針對近年來出版文獻的特點，探討多媒體文獻的著錄方法、 usmarc格式一體化前後格式的變化及其編目應用、虛擬資源編目的解決方案，進而提出保證編目數據共享和聯機編目質量的一系列措施。[ english abstract ] according to the characteristics of recent publications, the paper discusses the cataloguing for western language materials from several facets, that is, the description of multimedia documents based on usmarc, some changes under the impact of usmarc format integration, virtual resource cataloguing, and provide measures ensuring the quality of bibliographical data sharing and online cataloguing
文章針對近年來出版文獻的特點，探討多媒體文獻的著錄方法、 usmarc格式一體化前後格式的變化及其編目應用、虛擬資源編目的解決方案，進而提出保證編目數據共享和聯機編目質量的一系列措施。This article is divided into four parts : part one emphasizes the common theory that corporate governance structure figures out the agent problems caused by the separation of ownership and control power, and sets forth correlative research done by domestic and foreign scholars from the relationship between centralization degree of ownership and performance, the relationship between incentive of senior managers and performance, and the relationship between board and performance. and puts forward some deficiencies in domestic research, for example, the select of performance is bald ; most research methods are cross section analysis, there is little research basing on both time serial and cross section datum ; and there is little research have the inside and outside corporate governance factors in the selection of corporate governance structure indexes
描述性分析介紹了我國上市公司治理結構的現狀;通過公司治理變量的線性組合，採用主元分析法來構造反映公司治理水平的指標z ，並由此z指標回歸經營績效指標得出公司經營績效與公司治理的整體效果有相同方向變化的結論;變量之間的相關關系揭示了這些變量之間關系的合理信息;面板數據結果顯示:第一大股東持股比例、國有控股虛擬變量與經營績效負相關;第二至第十大股東股權集中度、董事會持股比例和總經理持股比例與經營績效正相關。Thirdly, in the environment of labview, several kinds of vis used for sensor signal test are designed, including wave generation, time domain measurement, filter disposal, frequency analysis, etc. after that, wavelet analysis in the application of one - dimensional signal de - noise is studied, threshold and translation invariance wavelet de - noise are realized, and wavelet de - noise vi for zero drift signal of the fiber optic gyro in fcs is designed using labview
接著，在labview環境下開發了多種用於傳感器信號測試的虛擬儀器，具有波形發生、時域測量、濾波處理、頻譜分析等多種功能。隨后，研究了小波分析在一維信號消噪中的應用，實現了labview環境下的閾值法和平移不變量法小波消噪，並利用labview設計了飛控系統中光纖陀螺零漂信號的小波消噪儀。On this basis, adopt the plural linear regression method, regard peasant ' s per capita income as the dependent variable, per capita agricultural land area, unit agricultural land area chemical fertilizer use amount, agriculture total value account for gdp proportion and land degradation the index data ( land degradation fictitious variable, land degradation percentage and land degradation the array variable of the degree ) as the independent variable
在此基礎上，採用多元線性回歸方法，以農民人均收入為因變量，人均農業用地面積、單位農業用地面積化肥使用量、第一產業總值佔gdp比例和土地退化指標（土地退化與否的虛擬變量、土地退化百分比和土地退化程度的序列變量）為自變量來分析。In video shot segmentation, an improvement to double - threold shot segmentation algorithm is provided, which uses multi - frame sampling technique and can improve the performance significantly on the detection of gradual transition. an abrupt transition detection algorithm is also developed on the basis of the closest pixels matching in spatio - temporal slice, which decreases the false rate and computing strength greatly
在視頻鏡頭分割方面，提出了一種基於多幀抽樣的雙重比較鏡頭分割演算法，有效地提高了對視頻鏡頭漸變檢測的性能;同時，針對視頻鏡頭突變的檢測，提出了一種基於最近鄰像素匹配的時空切片鏡頭突變檢測演算法，該演算法顯著降低了突變檢測的虛檢率和計算量。By taking advantages of epipolar line features and depth discontinuities in reference 中國科學院 軟件 研究所 博士 學位 論文 基于 圖 象 的 快速 繪制 技術 的 研究 images ， an efficient inverse wmping algorithm is pfoposed in chapter 3 for gcnerating nagcs of novel views by combining multiple eference images 帆 enhm different vie 呷 oints because continuous segnents determi 。 d by pairs ofedge pixels at co 。 spending epipolar lines are order kept ， only pairs of edge pixels in the reference 渝 明 e e necess 叨 口 cowute to obtain generalized disparity of all points in the desired image as a result ， sighficant acceleraion could be made in the endering pfo 比 鴕 two accelerating techiq 此 s e presented in this algori 山 mb accelerate the hole illing process his algorithm extends the reference images rom projection of single col ： ii ’ ected surface in previously developed nvnverse w 出 下 er to ima 驢 s captured rom complex scene in chapter 4 ， an 《 dent ibr method is prese 庇 仙 y takn ull 訕 antage of 呷 bies c 咖 the method can simulate the 3d details on sllri ： ace of object successfully he 。 叩 proach ， called rered ature mopmp consists of two pans at fst ， an origi 。 ltexture with orthogonal displacements per pixel is deco 啊 osed into a series of new t6 刀 mfcs with each 他 lug a given displacement per pixel ， called ae ， ea atures ， or lt hen hese lt e used to render the novel view by conventional texture mapping d avoid gaps n the endered hlla 驢 ， some phels are to be interpolated nd extended in the 廠 kaccoding to the depth differe eee between two neighbor pixels in the original texture as these ltlt fc … e much storage nd therefore much time is equired to install ltlt into the text ’ ufc buffec an 舊 thod is pfoposed to co 呷 fcss the ltlt ， nd the cottcspondingfclldering method is given experimental esults show that the new method is efficient ， especially n rendering those objects with a smaller depth rnge compared withtheir size ， such as relief surfaces of building
與己有的三維變換方法相比較，該方法不但成功地填補了由於投影區域擴張而產生的第一類空洞，而且成功地填補了由於空間深度非連續物體相互遮擋而產生的第二類空洞，從而方便地實現了虛擬環境中的漫遊；基於物體表面深度的連續性，本文提出了一個位移預測方法? ?此方法可以從單幅參考圖象獲得逆映射過程中所需要的目標圖象的位移信息，從而大大提高了演算法的效率：與通常的正向映射演算法相比，此演算法克服了多幅參考圖象所帶來的計算量成倍增長等問題，而且誤差較小。 2 ）基於極線幾何的快速逆映射演算法。利用參考圖象的邊界信息與隱含的遮擋關系，以及極線幾何的性質，本文第三章提出了一個基於極線幾何的快速3 『一中國科學院軟體研究所博士學位論文基於圖象的快速繪制技術的研究逆映射演算法，從多幅參考圖象精確合成當前視點目標圖象。For the exact feedback linearization of general nonlinear singular systems, by taking the algebraic variables as virtual inputs, a recursion inverse algorithm is introduced in this paper
摘要對一般廣義非線性系統的反饋線性化問題，通過將代數變量視為虛擬輸入，給出了構造性遞歸求逆演算法，實現了系統的精確反饋線性化。In two - view case, a method is presented for calculation 2d projective transformation and construction the virtual elements by combination of spatial points and lines. so more 3d invariants of object ' s spatial structures can be extracted from real elements and virtual eleme nts. ( 3 ) the geometric characteristics of 2d symmetric objects " in perspective images are lucubrated
（ 2 ）擴展了2d射影變換矩陣的求解方法，將單純利用點集對應的計算模式擴展到利用直線集、點線組合等多種類型來建立兩個射影平面的對應關系；總結了平面上基於點、直線元素可求解的多種3d不變量；提出了雙視圖下由點、直線元素的多種對應關系求解2d射影變換來構造「虛元素」的方法，結合「實元素」和「虛元素」可以提取更多的空間3d不變量。Then using the method of unit virtual - load, the displacement constraints are transformed into a explicit function to the design variables
然後利用單位虛載荷法將位移約束轉化為設計變量與約束的顯式關系。In ship steering controller design, the nonlinear ship model should be written in siso strict feedback form. we start the recursive design with the system first state variable and continue with the second one. by introducing a change of coordinates, we choose lyapunov functions to stabilize the system and obtain the control law
在船舶航向控制方面，考慮船舶的穩態回轉非線性，應用backstepping方法設計：首先把系統化成單入單出的嚴格反饋控制形式（呈下三角結構） ，假設系統后一個狀態變量是前一個狀態變量的虛擬控制，通過適當的變量代換，在每一步構造李亞普諾夫函數，使前一子系統在虛擬控制下漸近穩定，逐步遞推出控制器控制規律，使整個系統在平衡點滿足一致漸近穩定性。Experimental research on applying fuzzy logic systems to active vibration control of flexible structures
機械可靠性設計的虛擬變量演算法Chapter 4, empirical test. this part uses the var models to measuring the var of shanghai stock market and shenzhen stock market and analyzed the conclusion. chapter 5, introduce the definition of marginal var, component var and increment var and give empirical test
本部分首先給出了本文的研究方法一摩根集團採用的risk一metrics方法、基於garch模型的garch一t 、 garcll一右ed模型和考慮到我國政策多變性帶兩個虛擬變量的garch一t模型，基於極值理論的var一x方法。The results showed that, at 12 48 hrs post infection, the bursal epithelial cells bore swollen and necrotic shape. the lymphoid cells in the medulla and cortex of lymphoid follicles had various degrees of degeneration and necrosis. the lymphoid follicles showed glandular structures or cystic vacuoles owing to the prolifetation of bursal epithelium and lymphocyte depletion. lymphoid follicles from bursa at 72 144 hrs post inoculation became atropy. marked proliferation of interfollicular and interstitial connective tissue was present
結果表明，病毒感染后12 48小時，雛雞法氏囊粘膜上皮細胞腫脹、壞死脫落，淋巴濾泡髓質部及皮質部淋巴細胞不同程度變性、壞死、排空，形成腺管樣結構或囊狀空泡，接毒后72 144小時，法氏囊淋巴濾泡淋巴細胞壞死排空，淋巴濾泡萎縮，網狀結締組織大量增生，而胚胎發育時期，法氏囊粘膜上皮腫脹變性，法氏囊淋巴濾泡形成延遲或不完整，淋巴濾泡內淋巴細胞缺乏或空虛。Then it gives some advices about raising the tfp. the dissertation ' s main contribution lies in using malmquist - dea method and regression techniques for limited dependent variable models with random effects
本論文的主要貢獻在於把擴展的malmqust dea方法引入交通運輸業並運用虛擬因變量回歸模型考察全要素生產率變化的影響因素。A virtual stochastic process is constructed so that the basic random variable becomes the value of the stochastic process at certain instants of time
在此方法中，構造一個與基本隨機變量相關的虛擬隨機過程，使得基本隨機變量成為該隨機過程的截口隨機變量。The determinants and productivity growth are analyzed by using regression techniques for limited dependent variable models with random effects
然後，運用虛擬因變量方法分析影響全要素生產率變化的具體因素。分享友人