projection vector 中文意思是什麼

projection vector 解釋
投射矢量
  • projection : n 1 射出，投擲，發射，噴射。2 投射；投影，投影法；（地圖）投影圖製法；【電影】放映。3 凸出；凸出...
  • 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...
  1. Reseach on maths model of two - dimension vector field reconstruction with inverse projection

    反投影重建二維矢量場的一種數學模型研究
  2. Project pursuit can be used to project high dimensional data to low dimensional space and find the optimum projection vector of data in one dimension space by data character of research units, which can comprehensively evaluate the value and direction of every index

    該方法可以依據樣本自身的數據特性尋求最佳投影方向，從而判斷各評價指標對綜合評價目標的貢獻大小和方向。
  3. 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。
  4. Within the framework of sparse bayesian learning, the algorithm extends the relevance vector machine by combining global and local kernels adaptively in the form of multiple kernels, and the improved locality preserving projection ( llp ) is then applied to reduce the column dimension of the multiple kernel input matrix to achieve less training time

    在稀疏貝葉斯學習的框架下，該演算法首先以多核形式自適應結合全局核函數和局部核函數擴展相關向量機，然後應用改進的保局投影來約簡多核輸入矩陣的列維數以減少訓練時間。
  5. Pca model was set up based on the normal history data of the system to detect the sensor faults by comparing the projection on the residual subspace to which the real measurement vector and normal vector were projected

    主成分分析法根據系統正常的歷史數據建立數理統計模型，通過傳感器實際測量數據與正常數據在故障子空間投影的比較，對傳感器的故障進行在線檢測。
  6. Placement outline projection vector invalid. floor outline projection vector invalid. top outline projection vector invalid. taper vector invalid. invalid translation direction

    如果未定義或未使用有效值定義任何矢量，則顯示以下消息。
  7. Ica as a new signal processing technique is used to determine the projection coefficient matrix which represents the features characterizing the current operating condition. multiple well - trained support vector machines use the projection coefficient matrix as their inputs to identify the fault

    獨立分量分析被用來從當前工況的數據矩陣中提取出代表當前工況特徵的投影系數矩陣，而這些投影系數矩陣則被用來訓練多個支撐向量機，從而利用它們實現故障類型的識別。
  8. First we construct a covariance matrix from sample images, then compute the eigenvalues and corresponding eigenvectors of the covariance matrix, construct a feature matrix with the eigenvectors. then every images in database can be projected into the feature matrix and gain a projection vector, so does the input image. then we can judge the resemblance between input image with each image in database by computing the distance between their projection vectors

    我們首先根據採集的樣本圖像構造一個協方差矩陣，然後求取該矩陣的特徵值，以這些矩陣特徵值對應的特徵向量構造出一個特徵空間，然後將輸入圖像向該特徵空間映射，將獲取的映射系數與樣本庫中圖像的映射系數進行距離計算，根據計算出的距離判定輸入圖像與樣本圖像間的匹配程度。
  9. First we construct a covariance matrix from sample images, then compute the eigenvalues and corresponding eigenvectors of the covariance matrix, construct a feature matrix with the eigenvectors. then every image in database can be projected into the feature matrix and gain a projection vector, so does the input image. then we can judge the resemblance between input image with each image in database by computing the distance between their projection vectors

    然後，根據採集的樣本圖像構造一個協方差矩陣，求取該矩陣的特徵值，以這些矩陣特徵值對應的特徵向量構造一個特徵空間，將輸入圖像向該特徵空間映射，計算獲取的映射系數與樣本庫中各類圖像的映射系數的歐基里德距離，根據計算出的距離判定輸入圖像與樣本圖像間的匹配程度。
  10. The projection index values were gave by multiplying projection vector by standardization value of evaluation indexes, which can comprehensively evaluate agricultural resources use efficiency of every unit

    通過最佳投影方向與評價指標的線性投影得到投影指標值，通過這一指標可以對樣本進行統一評價。
  11. The outer contour of the silhouette is projected along the midline of the body to obtain the fore - and - aft midline projection vectors, which are then combined into one dimensional vector as the gait feature

    將外輪廓沿人體中線投影可以得到前後兩個向量，合成1d向量（ midlineprojectionvector ，中線投影向量）作為步態特徵。
  12. According to the geometrical characteristics of the transmission line and the theory of perspective projection, a stereo vision method based on single camera is presented to detect the orientation and position vector of the power transmission line

    結合輸電線的幾何特徵和攝像機成像原理，提出了一種基於單攝像機的立體視覺方法來確定輸電線的位置和姿態。
  13. The method builds a weighted grey relation matrix of the evaluation indexes for aircraft conceptual design schemes with grey relation theory, then calculates grey relation projection values of the design schemes on the perfect scheme by vector projection theory, the design schemes can be evaluated by the grey relation projection values

    該方法採用灰色關聯理論建立各總體設計方案對評價指標集的加權灰色關聯判斷矩陣，然後利用矢量投影原理計算各設計方案相對理想方案的灰色關聯投影值，以灰色關聯投影值的大小來評價設計方案的優劣。
  14. Firstly, we introduce the vector projection theory and preceding theory results. secondly, the sufficient conditions of stability linear switched systems are presented ; furthermore, the sufficient conditions of stability of nonlinear switched systems are extended under some conditions. meanwhile, we design a kind of switching law based on the conditions

    首先介紹向量投影理論以及前人得到的穩定性結果;其次，利用向量投影理論給出線性切換系統指數穩定充分條件，在一定條件下，可以推廣到一類帶有持續擾動系統中並得到其穩定的充分條件，同時基於穩定性條件設計了一種切換法則，然後用模擬和數值例子說明了結果的正確有效性。
  15. Chapter 2 exposits the principle of the airborne isar imaging of ship targets in detail using the concept of image projection plan and effective rotating vector. and some imaging results under every ship sway ( roll, pitch and yaw ) are presented

    論文第二章藉助成像投影面和有效旋轉矢量的概念，詳細闡述了機載isar對艦船成像的機理，並分別對艦船橫搖、縱搖、偏航運動成像進行了模擬。
  16. Using the regularized greens functions and a duality argument, it is proved that the mixed finite element method proposed in this paper possesses the superconvergence by almost one order maximum norm estimates for the l2 projection of the function and quasi - optimal maximum norm estimates for the associated vector function for a strongly nonlinear second order elliptic problem

    本文利用正規格林函數及對偶論證技術證明了一類強非線性二階橢圓問題混合元方法對函數的l2投影具有幾乎超收斂一階的最大模誤差估計，對伴隨向量函數具有擬最優最大模誤差估計
  17. In view of insufficient number of fault samples in process industry, support vector machines ( svm ) with the capacity of sufficient learning from a limited training set are used to identify the projection coefficient matrix of te process, and satisfying results are also obtained

    而考慮到實際工業過程故障數據都是少量的，支撐向量機在小樣本學習方面具有良好的泛化能力。利用支撐向量機對te過程的投影系數矩陣進行識別，也獲得較滿意的結果。
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