orthogonal space 中文意思是什麼

orthogonal space 解釋
正交空間
  • orthogonal : adj. 1. 直角的，互相垂直的；正交的；直交的。2. （統計數字）互不相關的。
  • space : n 1 空間；太空。2 空隙，空地；場地；（火車輪船飛機中的）座位；餘地；篇幅。3 空白；間隔；距離。4 ...
  1. The shell is divided into orthogonal or oblique crossing girder systems, which make up a space rigid frame structure, then an analysis is made of the endogen force of the shell structure based on the curved lever space rigid frame structure

    該方法通過將殼體結構離散成相互垂直或斜交的曲桿梁系組成的空間剛架結構，進而分析曲桿空間剛架結構的內力，達到殼體內力分析的目的。
  2. Zonal wavelets on the heisenberg group and the orthogonal decomposition for the function space

    群上的帶狀小波及函數空間的正交分解
  3. Space - time block codes based on coordinate interleaved orthogonal designs

    基於坐標交叉正交設計的空時分組碼
  4. Secondly, this paper presents a new fuzzy modeling based on t - s fuzzy model, which calculates the membership grade of each fuzzy subspace using fuzzy partition of input space, the consequence parameter identification is obtained by orthogonal least square

    其次，提出了一種新的基於t - s模糊模型的建模方法。該方法是基於輸入空間的模糊劃分計算給定樣本在各模糊子空間的隸屬度，利用正交最小二乘演算法辨識模糊模型的結論參數。
  5. One is the non - orthogonal gabor - daubechies frame, or g - d frame, a complete set of discrete window fourier functions which are constructed by space - shifting and harmonically modulating a gaussian window. although a g - d frame is not an orthogonal basis, it bears considerable advantages for the study of physical problems, especially those related to the wave field extrapolation, due to the optimal localization properties of the gaussian window function under the heisenberg uncertainty principle

    其一為將高斯窗函數經平移和調制而構成的一組窗口富里葉框架（ gabor - daubechies框架，或g - d框架）基本函數，另一種為在富里葉分析和小波包理論基礎上發展起來的局部餘弦基函數。
  6. Abstract : by comparing the channel capacities hetwem orthogonal space - time block coding and multi - antenna array system over rayleigh fading channel, some capacity loss for orthogonal space - time block coding is obtained, which is a function of the code rate, the rank of channel matrix and the number of transmitter and receive antennas, although the system of orthogonal space - time block codes is simple and easy to implemented. if is also shown that there is no capacity loss only if both the code rate and the channel matrix rank are all one

    文摘:在研究瑞利衰落條件下正交空時分組編碼通道容量的基礎上，將其與多發送多接收天線系統的通道容量進行了比較.比較結果表明，正交空時分組碼雖編碼簡單，易於實現，但在通道容量方面存在較大的損失，損失的程度與編碼碼率、通道矩陣的秩及收發天線數等因素有關.進一步研究表明只有當編碼碼率和通道矩陣的秩都為1時，才沒有通道容量的損失
  7. Orthogonal projection in real matrix space

    實對稱矩陣空間的直交投影
  8. Are uncertain and should be regarded as random variables, therefore the reinforced concrete frame is stochastic structure inherently, and then its motive equations converted to combined random differential equations for the uncertain parameters and external random excitation. these equations were solved by order - orthogonal expansion method with pseudo - excitation method, and then the statistic stochastic responses of random structure were obtained. at last, based on the stochastic cumulative damage model with double parameters developed by park, formulas were formulated for calculating structural earthquake damage probability using the structural reliability theory ( mainly jc algorithm ) in extensive random space

    首先對受地震激勵的剪切型鋼筋混凝土結構進行建模，用隨機等效線性化方法將二階非線性微分方程組化成一階線性微分方程組（或稱之為狀態方程） ；再考慮材料等參數的隨機性，則狀態方程成為復合隨機微分方程組，將擴階系統方法和虛擬激勵方法推廣並應用於這個復合隨機微分方程組，求出結構的隨機響應量的統計參數；最後採用隨機累積損傷破壞準則，在廣義隨機空間內，用jc演算法求解失效概率，進而求出結構的抗震可靠度。
  9. According to the data of the covariance - stationary stochastic time series, we can get the state space modeling algorithm quickly and stably by singular value decompositi on and orthogonal projection. this algorithm will be faster and more stable

    在已知平穩隨機時間序列樣本數據的情況下，論述了如何採用正交投影演算法和正交奇異值演算法建立隨機時間序列的狀態空間模型和狀態矢量估計，這種數學建模方法對于船舶機艙中的系統數學建模有很大的幫助
  10. 3. the graph structure of some non - invertible autonomous automata is discussed in regular space, orthogonal space, and orthonormal space respectively. some new results are derived [ theorem 3. 10 - 3. 13 ]

    （ 3 ）討論了非可逆線性內動機在正規空間、直交空間、正交空間上的圖型結構問題[定理3 . 10 3 . 13 ] 。
  11. Adopting rotor field - oriented vector control methods, through which make the stator and the rotor magnetmotive forces can be kept orthogonal all along during operation of the bldcm, combining hysteresis current modulation ' s current control advantage and space voltage vector modulation ' s torque ripple attenuation advantage, then designing a sort of bldcm hysteresis current svpwm control method

    摘要研究採用轉子磁場定向的矢量控制方法使無刷直流電動機定、轉子磁勢矢量始終保持正交，結合滯環調制電流控制和空間電壓矢量調制，設計了無刷直流電動機滯環電流svpwm控制方案。
  12. A subspace - based blind channel estimator has been developed for space time coding orthogonal frequency division multiplexing ( stc - ofdm ) system with two transmit antennas and two receive antennas

    摘要針對使用2個發射天線和2個接收天線並且採用循環前綴的空時編碼正交頻分復用系統（ stc - ofdm ） ，提出了一種通道盲估計演算法，並給出通道可被辨識的條件。
  13. A novel method of content - based image segmentation using deformable template matching is proposed. a two - dimensional ( 2 - d ) deformable template based on orthogonal curves is built by pre - computing extensions of the deformable template along orthogonal curves and sampling the curves uniformly. then the definitions of internal and external energy functions are given according to the image segmentation problem, and genetic algorithm is used to obtain globally optimal solutions. the proposed method uses a lower - dimensional search space than conventional methods and reduces the sensitivity of the algorithm to initial placement of the template. experiments on real - world images and in simulations at low signal - to - noise ratio show the robustness and good performance of the method

    本文提出一種採用可變形模板匹配技術進行基於內容的圖像分割演算法.通過預先計算出可變形模板沿著變形的正交曲線，並對模板曲線及正交曲線進行離散抽樣，建立一基於正交曲線的二維（ 2 - d ）可變形模板，針對圖像分割問題定義控制可變形模板進行變形的內、外部能量函數，本文採用遺傳演算法搜索能量函數最小的全局最優解.該新演算法比傳統的可變形模板匹配方法降低了搜索空間的維數，減少了演算法對模板初始位置的敏感.對實際圖像及模擬低信噪比圖像處理的結果表明，新演算法具有良好的分割精度及穩定性
  14. Approximations analysis for the capacity of orthogonal space - time block codes over correlated fading channels

    相關衰落下正交空時分組碼容量的近似分析
  15. Matri representation of the orthogonal complement in euclidan space

    歐氏空間中正交問題的矩陣描述
  16. A new generalized complex orthogonal space - time block

    一種新的擴展復數正交空時分組碼
  17. Orthogonal space - time block codes over rician fading environment

    萊斯衰落下的正交空時分組碼
  18. Differential space - time block code based on amicable orthogonal design

    基於互滿正交設計的差分空時分組碼
  19. In term of the orthogonal property of alamouti scheme and the character of the ofdm system equivalent model expression of receiver signal for stbc - ofdm system was obtained by flexible transform method so that the inverse of matrix was avoided using direct - decision mode and the complexity of computation and receiver was decreased. the simulation results show the validity and efficiency of the proposed receiver. ( 6 ) an adaptive equalization algorithm used in space - time block coded ofdm ( stbc - ofdm ) system with alamou

    該演算法充分利用了alamouti編碼的正交特性和多發射天線ofdm系統特點，通過靈活的變換對接收信號進行等價的表示；通過對11矩陣求逆的研究，將塊最小二乘遞推演算法（ brl ）中的zkxzk的矩陣求逆分解為k個2x2矩陣的求逆，從而降低了自適應演算法的運算量和接收機的復雜度。
  20. Errors resulting from discrete sampling of zernike orthogonal ( space ) matrix is correct by error correction table. the edge detection precision is higher than 0. 1 pixels though signal to noise ratio up to 20db

    改進了zernike正交矩（空間矩）亞像素邊緣檢測演算法，用誤差修正表對離散采樣引起的誤差進行修正，使信噪比達到20db時，邊緣檢測精度仍然優於0 . 1像素。
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