方差元素估計 的英文怎麼說

中文拼音 [fāngchāyuán]
方差元素估計 英文
varcom
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • : Ⅰ形容詞1 (本色; 白色) white 2 (顏色單純) plain; simple; quiet 3 (本來的; 原有的) native Ⅱ名...
  • : 估構詞成分。
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • 方差 : dispersion
  • 估計 : estimate; evaluate; take stock of; size up; calculate; appraise; reckon; estimation; forecast
  1. The algorithms estimate the doa of the broadband distributed source fron the secondary diagonal elements of the covariance matrices generated from every frequency domain of the received broadband signals, thus avoiding unwrapping of phases

    該類演算法首先將陣列接收的寬帶信號變換到頻率域,然後對于每個頻率形成陣列接收信號協陣,最後由該協陣的次對角線寬帶分佈源的到達角,其主要特點是避免了相位展開。
  2. Varcomp variance component estimation

    方差元素估計
  3. At present we already use tradition method ( non - linearity parameter estimate method -, logarithm coordinate graph explain method and surplus analysis method ) ascertain measure area ' s every element ' s background value and abnormity lower limit, manage result is difference between real data. this article use fractal method ' s sum arithmetic ascertain geochemistry abnormity. by the contrast of these two arithmetic and abnormity graph, we think receive better effect

    目前可用傳統的法(非線性參數法、對數坐標圖解法和剩餘分析法)確定測區各的背景值和異常下限,處理結果與實際資料有一定異。本文用分形技術中的求和演算法來確定地球化學的異常下限,實踐證明,其處理結果具有較好的效果。
  4. According to the presented sensor array form, the corresponding mathematical mode1 is established, and factors which influence tde accuracy have been analyzed in detail. the influence of tde accuracy to the estimation of tafget distance and bearings estimation is discussed also. meanwhile, the limitation of passive tracking methods and the difference between passive positioning and passive tracldng which based on three - element array are discussed

    論文的主要研究工作有以下幾個面: 1 )針對三直線陣的陣列形式,建立了相應的數學模型,對影響時延精度的因進行了詳盡的分析和研究,討論了時延精度對目標距離和精度的影響,並討論了三基被動定位的局限性以及被動定位和被動跟蹤的別。
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