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- IMITATING COVARIANCE MATRIX OF DISPLACEMENT DATA AND ITS APPLICATION IN CALCULATION OF CRUSTAL STRAIN FIELD AS A WHOLE? 位移觀(guān)測值協(xié)方差矩陣模擬及其在整體解算地殼應變場(chǎng)中的應用?
- When the observation noise is temporal correlation, Kalman Filter will not be able to achieve optimization, and its covariance matrix will be wrong. 在觀(guān)測噪聲不滿(mǎn)足時(shí)間不相關(guān)的假設情況下，卡爾曼濾波將達不到最優(yōu)濾波效果，并且其誤差協(xié)方差陣也是錯誤的。
- DFT is used to estimate the covariance matrix of downlink channel of the path, not calculating DOA. 在不求出DOA的情況下,采用離散傅里葉變換來(lái)估計該路徑下行信道協(xié)方差矩陣。
- Fault detection and classification (FDC) via sample covariance matrix is thus very important. 因此，對于共變異矩陣的錯誤偵測與鑑別(FDC)也越來(lái)越重要。
- Realized covariance matrix is a new measurement of the volatility and correlation of portfolio. 摘要“已實(shí)現”協(xié)方差矩陣是對投資組合波動(dòng)性及相關(guān)性的一種全新的度量方法。
- The algorithm uses the sub-block of covariance matrix which is not affected by noise to estimate the parameters of DOA. 使用該算法和兩平行均勻線(xiàn)陣可實(shí)現二維來(lái)波方向的快速估計。
- By averaging the previous results, a new covariance matrix is obtained.It is a full rank matrix. 對其進(jìn)行平均后，所得到的相干信號協(xié)方差矩陣具有滿(mǎn)秩性。
- By analyzing the weighted covariance matrix of a local neighborhood, its least-squares plane was estimated. 對局部鄰域進(jìn)行加權協(xié)方差分析，估計出該部域的最小二乘擬合平面。
- The FIVAR model based on realized covariance matrix is good basis of studying co-persistence. 針對“已實(shí)現”協(xié)方差陣建立的FIVAR模型為進(jìn)一步研究波動(dòng)的協(xié)同持續性提供了基礎。
- A new online coupled algorithm for PCA and MCA which can simultaneously extract the eigenvectors and eigenvalues of the covariance matrix with coupled iterations is obtained. 給出能同時(shí)得到主成分分析或小成分分析所要求的特征值和特征向量的實(shí)時(shí)算法。
- With the characters of covariance and pseudo covariance matrix combined, the cost function feeds more useful information into the algorithm. 由于充分利用了非正則復向量不相關(guān)的特性，獲得了更多有用的信息量，因此算法的收斂速度更快、提取效果更好，并且在線(xiàn)方式下算法更加穩定。
- The observation covariance matrix is a important factor of influence on navigation precision in position potential navigation. 在進(jìn)行位置勢導航濾波時(shí),觀(guān)測值的方差陣是影響導航濾波精度的重要因素。
- First, the colored noise covariance matrix is estimated, and at the same time, the primary estimations of the sensor positions and DOA are achieved. 該算法首先估計色噪聲相關(guān)矩陣，同時(shí)對陣元位置和信源DOA作初步估計；
- The variabilities and complex relationships of semiconductor equipment variables can be characterized by the sample covariance matrix. 摘要:半導體制程的訊息不僅反映在平均值，也會(huì )反映在共變異矩陣之中。
- Simulation results show that due to the errors the rank of the covariance matrix will increase and the SINR performance will descend. 實(shí)驗結果表明：濾波器相頻響應誤差會(huì )使自相關(guān)矩陣的秩增加、SINR性能下降。
- For the constraint system of covariance matrix being uncertain, a robust moving horizon estimation (MHE) strategy is discussed. 摘要針對噪聲方差不確定的約束系統，討論了一種魯棒滾動(dòng)時(shí)域估計(MHE)方法。
- There are obvious differences between the variance-covariance matrix estimated by tile two methods and by the usual pre-test covariance matrix. 結果兩種方法估計的方差-協(xié)方差陣都與常用的先驗協(xié)方差陣有明顯區別；
- It is shown that the proposed detector has the const false alarm properties with respect to the covariance matrix of the clutter. 研究結果表明，多極化通道自適應匹配濾波器相對于雜波協(xié)方差矩陣有恒虛譽(yù)的性質(zhì)。
- The method of moving target detection based on eigen-decomposition of the covariance matrix is proposed for single-antenna airborne SAR. 該文提出了一種基于單通道圖像序列間協(xié)方差矩陣分解的動(dòng)目標檢測方法。
- In filtering calculation, strong tracking factor is introduced to modify priori covariance matrix to improve the accuracy of the filter. 在濾波計算中，引入強跟蹤濾波因子修正濾波器的狀態(tài)預協(xié)方差矩陣。濾波精度得以提高；
