vector decomposition 中文意思是什麼

vector decomposition 解釋
向量分解
  • vector : n 1 【數學】向量,矢量,動徑。2 【航空】飛機航線;航向指示。3 【天文學】幅,矢徑。4 【生物學】帶...
  • decomposition : n. 1. 分解,分析,溶解,還原(作用)。2. 腐朽,解體。
  1. Occasionally we shall make use of the following decomposition of the displacement vector.

    有時候,我們將利用位失量的下列分解式。
  2. Therefore, a model of three sectors, respectively referring to domestic sector, manufacturing export sector and primary product export sector, has been established here to measure the technology spillover effects of export on domestic sector. finally, based on a broader framework, this dissertation went on to investigate the relationship between openness and china ' s economic growth, while the result shows that though there exists a notable dispute about how to measure the degree of china ' s openness, the index of trade dependence still maintains the better one to reflect china ' s economic openness. in the meanwhile, impulse response function ( irf ) method and forecasting errors variance decomposition ( fevd ) method, both of which are based on the vector auto - regression ( var ) system, are used here to investigate the dynamic relationship between openness and china ' s economic growth

    與傳統理論不同,新增長理論和新貿易理論都強調技術進步的作用,因此本文構建了一個三部門的技術外溢效應模型(國內部門、工業製成品出口部門以及初級產品出口部門) ,考察了工業製成品出口和初級產品出口對國內非出口部門不同的技術外溢效應;第四,從更加廣闊的視野就貿易開放度與中國經濟增長問題進行研究,有關貿易開放度如何度量一直是存在較大爭議的問題,本文首先對該類研究文獻進行了較為詳盡的述評,然後運用生產函數方法對所選取的5個貿易開放度度量指標進行了檢驗,結果發現盡管一些已有研究認為外貿依存度無法真實度量一國經濟開放水平,但是本文研究結果表明外貿依存度仍是度量我國貿易開放度的較好指標,進一步採用基於var系統的脈沖響應函數法以及預測誤差方法分解法對貿易開放促進經濟增長的作用進行了動態刻畫。
  3. The feasibility of decomposition of transition firing sequence, the application of them in the detecting lfs and the reverse course of decomposition - synthesis are discussed. they provide theoretic basis for our algorithm in the field of petri net. supported by the above, two main part is included in the algorithm : at first, x is transacted according to the following method in order to get a set of xb named as basic vector of x which is the firing count vector of a directed path without circle if md is reached from m0 in the rg ( m0 )

    在變遷序列分解的指導思想下,我們的演算法主要通過以下兩步工作完成: ( 1 )首先對給出的已知條件中滿足狀態方程的n維非負整數向量進行處理,得到一組x的基礎向量x _ b ,使得在petri網的可達標識圖中,若存在一條由m _ o到m _ d的有向無環路,則x _ b為這樣的路上變遷引發序列的發生數向量。
  4. The final results obtained in this paper contained that the optimal interpolation scheme highlighted by the covariance that the correlation between different time and the correlation between different place being considered ; that the simplification of kalman filter with the singular - value decomposition ( svd ) and the direct construction of state transition matrix pfeceded with " inverse vector expression " ; and that the analysis of t / p data and its blending with theoretical model

    這些成果包括:建立考慮了時間相關的方差矩陣和時空相關的最優插值演算法;對卡爾曼濾波演算法進行了svd簡化以及建立了顯式的狀態轉移矩陣;將t p實時衛星數據進行調和分析並與數值模型進行同化處理。
  5. There are mainly two type of algorithms used for spatial spectrum estimation : one is those based on bayesian maximum likelihood method, like the ml ( maximum likelihood ) algorithm, maximum entropy method and etc., the others are based on the spatial decomposition or projection of correlation matrix, this kind of algorithm include vector characterization method, music ( multiple signal classification ) algorithm, projection matrix method, etc. music is a classical spatial spectrum estimation algorithm that has a super high resolution and is widely used today, however, it cannot estimate doa of signals that are correlated

    空間譜估計的演算法大致分兩大類:一是基於極大似然估計和最大后驗概率估計統計理論的演算法,包括:極大似然估計法( ml ) 、最大熵法等;另一類是基於對協方差矩陣進行子空間分解或投影的演算法,包括:矢量特徵法、多重信號分類法( music ) 、投影矩陣法等。其中, music法是一種經典的空間譜估計主流演算法,具有超強的分辨性能,但它無法實現對相干信號進行測向分辨。
  6. Secondly, the author firstly demonstrates that the demand regulatory policy could keep the currency value correspondingly stable and make economy go up more quickly, employing the image diagram of curves. and then the author effectively demonstrates that the relativity of between price, output and monetary aggregates is closer, employing co - integrated theory, the vec ( vector error correction ) model and the variance decomposition method for analyzing quarterly data from 1996 to the third quarter of 2005

    其次,在運用形象的曲線圖分析現階段需求管理政策可以使我國在保持幣值相對穩定的條件下實現經濟較快增長的基礎上,運用協整檢驗、 vec (向量誤差校正)模型和方差分解方法分析了1996年以來貨幣供應量、物價和產出的季度時間序列,有力地論證了貨幣供應量與物價、產出間具有較強的相關性。
  7. Then it is possible to realize high compression ratio of images. in this paper the principle of which wavelet transform can be used in images compression is discussed on basis of statistics and analysis of image ' s wavelet coefficients after wavelet decomposition. also some kinds of quantify and coding schemes are discussed including scalar quantization, vector quantization, embedded zerotree wavelets encodings run length coding, huffman coding and so on

    論文對圖像經分解后的小波系數進行統計與分析,闡述了小波變換所以能夠用於圖像壓縮的道理,並在此基礎上討論了多種量化和編碼方案的設計與實現,包括標量量化、矢量量化、嵌入小波零樹編碼、行程編碼、哈夫曼編碼等,其中對jpeg2000採用的標量量化和嵌入小波零樹編碼作了重點討論和分析。
  8. Among these a three - phase voltage - style pwm rectifier is selected, and voltage space vector pwm is employed. and its principle, mathematics models and the selection of control parameters are studied in details. in addition to, a fast algorithm for space vector pwm, the method of decomposition matrix proposed in this paper can simplify the calculation process and with which we may omit the triangular function tables

    分析總結了現有的三相整流電路拓撲及其控制策略,選擇以三相電壓型pwm整流器為研究對象,並採用電壓空間矢量pwm控制策略;分析研究了整流器的工作原理,建立了數學模型;研究了控制方法及其參數設計;提出了電壓空間矢量的pwm快速演算法,不需要三角函數表,由dsp實時計算得到精確的工作矢量及零矢量的作用時間。
  9. We calculate the scalar and vector self - energy in symmetric and asymmetric nuclear matter with this new decomposition approach of the g matrix. the properties of symmetric, asymmetric, and neutron matter are systematically studied in this effective dbhf approach

    我們利用這種g矩陣新的分解方法計算了對稱、不對稱核物質及中子物質的自能,進一步系統地研究了對稱、不對稱核物質及有限核的性質。
  10. In every iteration only a sub - optimization is solved. decomposition and optimization technology based on feasible direction provide a feasible method to solve the support vector machines " training problem

    分解與基於可行方向的優化技術結合為解決大數據集的支持向量機訓練提供了一種可行的方法。
  11. Lsa is similar to vector space mode ( vsm ), representing textual materials with space vectors. lsa can advance the accuracy of subsequent processes by using a truncated singular value decomposition ( svd ) to remove the influences of synonymy

    在技術上,它同向量空間模型類型類似,都是採用空間向量表示文本,但通過svd分解等處理,消除了同義詞、多義詞的影響,提高了后續處理的精度。
  12. 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。
  13. Based on the foundation of vector error correction model, this paper applies impulse response function and variance decomposition to portray the dynamic correlations between development of infrastructure and economic growth in chinese rural areas

    摘要本文以建立向量誤差修正模型為基礎,使用脈沖響應函數和預測方差分解來描述中國農業基礎設施發展與農村經濟增長之間的動態相關性。
  14. There are three means to decrease the number of attributes : delete irrelevant attributes to the task using fisher ' s discriminant ratio ; merge correlate attributes according to pearson ' s correlation coefficient ; reduce the dimensionality of the attribute vector by singular value decomposition

    在屬性選取時根據fisher函數把對分類影響小的屬性刪除,由pearson ' scorrelationcoefficient將相關聯的屬性合併,用singularvaluedecomposition減少屬性向量空間的維度。
  15. Some fundamental methods in mathematical analysis are applied to prove the unique decomposition theorem : the distance between vector - valued pseudo almost periodic functions in metric spaces and almost periodic functions is an ergodic perturbation

    應用數學分析中的基本方法證明了唯一分解定理,即距離空間中的向量值偽概周期函數和概周期函數之間的距離是一個遍歷擾動。
  16. Based on all of above, the theories of polarimetric sar interferometry were studied, and several pivotal problems were lucubrated, including vector interfero - metry, coherence optimization, and coherent scattering decomposition

    在此基礎上,研究了極化sar干涉測量的理論和方法,對矢量干涉、最優干涉圖形成、干涉相干分解等問題進行了深入的探討。
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