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error covariance中文什么意思

發(fā)音:   用"error covariance"造句

例句與用法

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  1. A recursive algorithm of error covariance matrix of moving horizon estimation
    滾動(dòng)時(shí)域估計(jì)中先驗(yàn)估計(jì)誤差協(xié)方差陣的遞歸算法
  2. A sub - optimal kalman filter is presented in chapter 3 , and the relative error covariance matrix ( recm ) is introduced to evaluate the performance of the fusion process ; 3
    給出一種多傳感器分布式次優(yōu)kalman濾波器，并以相對(duì)誤差協(xié)方差矩陣作為量化指標(biāo)，對(duì)該濾波器的融合效果進(jìn)行評(píng)估； 3
  3. Based on the multi - scale representation theory , we present a reduced order model for the solving of the inverse problem . also the relative error covariance matrix is used to analyze the performance of models with different orders ; 4
    基于小波多尺度表示理論給出逆問題求解的多尺度降階模型，同時(shí)用相對(duì)誤差協(xié)方差矩陣對(duì)階數(shù)不同的降階模型的估計(jì)精度進(jìn)行分析； 4
  4. Based on the method expressing the positional uncertainty of point entities in surveying and mapping , uncertainty ellipse was employed to characterize the uncertainty region for the error dispersal of 2d target ' s position , and uncertainty ellipsoid for the 3d target . 1 - uncertainty ellipse was derived from positional error covariance
    借鑒測繪學(xué)科中衡量點(diǎn)元位置不確定性的方法，分別用橢圓和橢球來表示二維目標(biāo)和三維目標(biāo)的位置誤差散布的不確定性區(qū)域。
  5. And then facing the problem of the channel estimation of the adaptive modulation system , we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail . to meet flat fading channel , we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length . the conclusion can be drawn from these results
    接著，對(duì)自適應(yīng)調(diào)制系統(tǒng)中的信道估計(jì)問題難點(diǎn)，詳細(xì)推導(dǎo)了平衰落信道條件下和選擇性衰落信道條件下最大似然( ml )估計(jì)和最大后驗(yàn)概率( map )估計(jì)算法，針對(duì)平衰落信道，我們仿真了map估計(jì)和ml估計(jì)的方差與導(dǎo)頻符號(hào)長度的關(guān)系，仿真結(jié)果表明，錯(cuò)誤方差受多譜勒頻率的變化影響最大，并且對(duì)實(shí)際的自適應(yīng)調(diào)制系統(tǒng)，導(dǎo)頻符號(hào)長度的取值超過20個(gè)符號(hào)長度時(shí)， map信道估計(jì)明顯優(yōu)于ml信道估計(jì)。

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