distance estimation 中文意思是什麼

distance estimation 解釋
距離估計距離估計
  • distance : n 1 距離,路程。2 遠隔,遠離;遠處,遠方。3 (時間的)間隔,長遠,長久。4 懸殊。5 隔閡,疏遠。6 ...
  • estimation : n. 1. 估計,評價。2. 預算,預算額;概算。3. 尊重,尊敬。4. 意見,判斷。5. 【化學】估定;測定。
  1. Lastly, we change the unequal time distance wheel speed to equal time distance wheel speed. according to the model of torsional vibrations, we introduce the spectral estimation method to design tpms. when the tirepressure is leaking, the peakvalue of the periodogram of the wheel speed will move to the real axis

    4 .利用核函數,提出了基於epanechnikov核函數的插值方法將採得的不等間隔的輪速信號轉換成等間隔的輪速信號。利用輪胎滾動方向的振動性質提出了譜估計法。
  2. Thus proposes an alternative method for the research of superiority of two predictors based on the biased estimation. in the light of the approximate multicollinearity of matrix, distance for principal components estimation ( namely distance ) is put forward

    針對設計矩陣的多重共線性問題,為了改進基於最小二乘估計的統計診斷量cook距離,提出了基於massy主成分下的cook距離( mpcc距離) 。
  3. A new damping estimation method, the secant line method, was presented, that is based on the distance of neighbor peaks and valley of oscillation

    摘要提出利用相鄰波峰和波谷之間距離估計阻尼比的割線方法。
  4. Aiming at the self - estimation of threat to the sam system, and basing on the analysis of support distance of the target acquisition radar and operation efficiency of the system in three intercept sections, a distance - threat index and a type - threat index of the target are proposed, and a threat - estimation decision - making model is established, and a standard of fire - striking order in each section is put forward

    摘要針對地空導彈系統的威脅自動判斷問題,基於對目標指示雷達保障距離以及三種攔截區間中系統作戰效能的分析,提出了目標距離威脅指數和目標類型威脅指數的概念,進而建立了一種連續型的威脅判斷決策模型,並給出了每個區間火力打擊的排序標準。
  5. Time delay estimation ( tde ) by using three - element linear array is an important problem in torpedo trajectory tracking system which ttacks target according to strictly geometrical position. it is the basis of measurement of target distance, bearings etc. the error of tde influences directly the accuracy of trajectory tracking. the more efforts have been made in order to acquire high accuracy estimation

    三元直線陣的時延估計是魚雷彈道測量系統中的一個重要課題,它依照嚴格的幾何關系進行目標定位,是測量目標距離、方位等參數的主要依據,時延估計的精度直接影響彈道跟蹤系統的精度,為提高時延估計精度人們進行了大量的研究和探索。
  6. Since the suggested method makes a significant improvement in wind speed, it is more suitable for wind field estimation over complex terrain than other methods which only concerns the effect of distance. then we calculate the wind change with evaluation, last we can conclude the wind abase the hilly terrain, we find the wind in westward and center plain is much smaller than other area. while the wind in northward hilly area is much bigger with the hilly arising. the wind of chongqing is the biggest period in spring ( april ), the smallest period in winter ( january ), the wind in summer ( july ) is bigger than its in autumn ( october )

    本文利用重慶及其周邊地區的常規氣象站的1951 ? 1980年30年的風速平均資料,針對復雜地形風速診斷,以地理信息系統為數據處理平臺,根據重慶1 : 25萬dem數據,來獲得重慶市實際復雜地形的高程,提出了一種適合於起伏地形的權重內插方法,通過引入一個表示地形起伏變化程度的因子,構造了一種新的權重函數,來處理復雜地形上的風速,通過與只考慮距因素同反平內插方法比較發現,本方法更適合在起伏地形條件下使用;然後根據經驗公式在地形上進行計算,得出重慶地區起伏地形下的風速分佈;得出重慶市的西部、中部平原地帶風速較小,而北部山區隨海拔高度升高風速也較大;重慶市風速最大時期為四月份,冬季一月份最小,夏季(七月份)大於秋季(十月份) 。
  7. Based on the least squares and biased estimation especially ridge estimation, a new estimation, that is, generalized ridge estimation is put forward through studies on restriction of the parameter. model ' s prediction being considered, comparison of superiority of optimal and classical predictions with respect to the ridge estimation is showed. regression diagnoses especially distance for principal components estimation is discussed

    論文基於最小二乘估計及有偏估計特別是嶺估計,對參數的約束條件做了進一步研究,並提出一種新型估計即廣義嶺型估計;對模型的點預測問題進行深入探索,得出一種基於嶺估計關于經典預測和最優預測的最優性判別條件;也對回歸診斷特別是基於主成分估計的距離進行了深入探討。
  8. The passive location and tracking system, which uses electromagnetic wave emitted by target, has proved its merits of self - hiding and far - distance detecting in modern electronic warfare ( ew ) and information warfare. and it is now the hotspot in the field of non - linear tracking and estimation

    在現代電子戰、信息戰環境中,由於利用目標輻射電磁信息的無源探測定位系統具有自身隱蔽和探測距離遠等優點,因此它具有重要的應用價值,並已成為當今非線性跟蹤與估計研究領域的熱點問題。
  9. In these two experiments, it includes test scheme. outer precision estimation, inner precision estimation. the data collecting is in accordance with ii order leveling measuring and ii order distance network. these two experiments test the reasonable of datum consistency and the method of mean gap building deformation model

    該實驗驗證了對于基準問題的分析和平均間隙法對位移量的探測情況;在水平位移變形監測網的實驗中,數據採集按二等測邊網測量精度進行,證實了用平均間隙法判斷穩定點,進而確定變形模型的合理性。
  10. It combines boolean algebra expression with time information to describe behavior of a digital circuit. it has made substantive progress at path sensitization, power dissipation estimation, iddt and delay fault diagnosis. theoretically, it is necessary to establish some mathematical foundation in order to define distance, limit and continuity based on boolean process

    它將布爾代數與時間結合起來,為異步性描述提供了比較形式的理論基礎,並在通路敏化、電源消耗的計算、動態電流測試方法( i _ ( ddt ) ) 、時延故障診斷等方面取得了實質性的進展。
  11. It comes up with a new notion, d - solution, which is applied to the distance estimation, by virtue of hilbert space ; furthermore, the dissertation has gained a necessary condition which is identity of minimum mean - square value in linear function classes, so that d - solution extends minimum mean - square value within the domain of nonlinear function equation or equation system ; and, the dissertation studies in detail the classical moment estimation and maximal likelihood estimation on the parameters of ar ( p ), a series of theorems in the estimation section shows the moment estimators are consistent on the ground of large samples jikewise, those distribution functions of the estimated parameters accord to maximum likelihood estimation converge gauss distribution if the white noise is gaussan

    首先,藉助hilbert空間理論,提出了距離估計的d -解,給出了d -解的必要條件,這個條件在線性函數類里即是極小二乘估計法, d -解的必要條件滿足的方程實質上將極小二乘估計法推廣到多函數及非線性函數類。再而,詳細地研究了多元弱平穩序列自回歸模型ar ( p )的參數經典的矩的替代估計和極大似然估計,獲得矩的替代估計的一致性的結果。對基於gauss白噪聲假設多元弱平穩序列自回歸模型的均值、白噪聲的協方差陣的極大似然估計都有依分佈收斂到多元正態分佈的統計性質。
  12. Compared with the misprediction distance counter ( mdc ) scheme, the dcr scheme can improve the spec and pvn metrics of confidence estimation by 151. 8 % and 42. 19 %, respectively. finally, the dcr scheme is used to guide the creation of selective dual path execution. the sele

    本文採用dcr置信度評估方案指導選擇性雙路徑執行時的路徑創建,接著設計了選擇性雙路徑執行的標一記符,提出了選擇性雙路徑執行的系統結構,並詳細分析了選擇性雙路徑執行的實現策略。
  13. The main work of the first part includes : analyzing the theory of measuring direction and distance of the target by three elements symmetrical and dissymmetrical array, comparing the measuring error of two kinds of array, discussing the characteristics of time delay in passive distance measurement, giving valid method of time delay estimation, and discussing the restriction of this method and the distance wrapping in passive ranging

    對三元非對稱陣被動測距技術的主要研究工作包括:分析了三元對稱陣和非對稱陣測向測距的原理,對兩種陣型的測向、測距誤差進行了對比分析,探討了三元陣被動測距中時延差的特點,提出了有效的時延差估計方法,並對該方法的局限性以及被動測距中存在的距離模糊問題進行了探討研究。
  14. On this basis, the error theorem is obtained which divides the hausdorff distance between the original image and reconstructed image into two control parts. the fixed point of each contraction mapping is introduced, the fixed - point image ( which is tiled by all the fixed points ) is selected as an initial image when decoding, and is proved to be a good estimation of the attractor of the ifs

    在此基礎上,得到誤差定理,將原始圖像與迭代圖像間的hausdorff距離分為兩個控制項,並提出基於選擇初始圖像的分形圖像壓縮方法,引入不動點圖像,解碼時選擇不動點圖像為初始圖像,並證明不動點圖像是迭代函數系統的吸引子的一個較好的近似。
  15. Minimum distance estimation

    最小距離估計
  16. According to different methods of feather extraction, distance average and swatch average are used respectively in the process of distance estimation, which furthermore reflect the whole information of lots of swatch belonging to the same type

    針對同一類的多個樣本,根據不同的特徵提取方法,分別採用了距離平均法和樣本平均法,進一步反映了樣本的整體信息。
  17. The traditional simplification methods could n ' t adapt to transitional state due to the lack of ability on transitional features. in order to keep the transitional details together with the fidelity and briefness, both the geometric attributes and transitional modulus are considered during the th - distance - based threshold estimation, and the ring - splitting algorithm is successfully realized with the definition of the voxel - effected - field. the multiple - step method for multi - resolution expression of transitional state is put forward

    提出了過渡狀態的幾何簡化方法,分析了現有簡化方法所存在的缺陷與不足,在簡化閾值中引入th距離,對幾何特性與過渡特性同時加以考慮,利用頂點影響域的建立與環分裂三角化過程的實施,在實現表達過程保真性與簡潔性的同時保留了重要的過渡細節特徵。
  18. 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方面: 1 )針對三元直線陣的陣列形式,建立了相應的數學模型,對影響時延估計精度的因素進行了詳盡的分析和研究,討論了時延估計精度對目標距離和方位估計精度的影響,並討論了三基元被動定位的局限性以及被動定位和被動跟蹤的差別。
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