line of estimation 中文意思是什麼

line of estimation 解釋
估計直線
  • line : n 1 線；繩索；釣絲；測深度用繩，捲尺。 a fishing line 釣魚線。 be clever with rod and line 會釣魚...
  • of : OF ＝Old French 古法語。
  • 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. 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。
  2. Based on an m - estimation principle, a robust estimator of parameters of systematic errors model is introduced in every surveying line

    4 、基於抗差估計理論，討論了航空重力測量系統誤差模型參數的抗差m估計方法與實現。
  3. The conventional variable structure control technique for uncertain system requires that the uncertainty bound is known as a premise to assure robustness. the requirement creates an over - conservative controller and enlarges chattering. the proposed controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on - line estimation used in smc to cancel the slowly varying uncertainties by the mechanism of time delay. the reaching law approach is used to get the conditions and band of quasi - sliding mode. the new methodology offers a robust feedback control with much lower gains and reduces chattering without a prior knowledge of the uncertainty bounds or matched conditions

    常規變結構控制用於不確定系統，須利用不確定性界確保系統的魯棒性，控制器過于保守且抖振變大.本文把未知干擾和參數不確定性的影響等效為名義系統的外界干擾，利用時延技術對干擾進行在線估計，並將估計值引入到變結構控制中，從而抵消掉系統中的慢變不確定性，利用離散趨近律法，推出了準滑動模態的存在條件及其帶寬.該方法克服了以往控制方法中須已知不確定性界的限制，且不必滿足匹配條件，用較低的控制增益保證了系統的魯棒性，降低了準滑動模態帶即削弱了抖振
  4. Abstract : the conventional variable structure control technique for uncertain system requires that the uncertainty bound is known as a premise to assure robustness. the requirement creates an over - conservative controller and enlarges chattering. the proposed controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on - line estimation used in smc to cancel the slowly varying uncertainties by the mechanism of time delay. the reaching law approach is used to get the conditions and band of quasi - sliding mode. the new methodology offers a robust feedback control with much lower gains and reduces chattering without a prior knowledge of the uncertainty bounds or matched conditions

    文摘:常規變結構控制用於不確定系統，須利用不確定性界確保系統的魯棒性，控制器過于保守且抖振變大.本文把未知干擾和參數不確定性的影響等效為名義系統的外界干擾，利用時延技術對干擾進行在線估計，並將估計值引入到變結構控制中，從而抵消掉系統中的慢變不確定性，利用離散趨近律法，推出了準滑動模態的存在條件及其帶寬.該方法克服了以往控制方法中須已知不確定性界的限制，且不必滿足匹配條件，用較低的控制增益保證了系統的魯棒性，降低了準滑動模態帶即削弱了抖振
  5. By the line of cross - cut, the 2 - d fmm ii with multiplicative noises is transformed into the form of 1 - d model, then the proposed algorithm is obtained on the basis of state estimation theory of the 1 - d systems

    利用斜割支線法，通過定義新的變量，巧妙地將帶乘性噪聲的2 - dfmm模型轉化為一維帶乘性噪聲的狀態空間模型。
  6. ( 3 ) on the basis of kalman filer algorithm and on the premise of two assumptions, namely, state estimation error of each sensor is dependent or independent, kalman filter weight fusion algorithm and modified track - to - track fusion algorithm are proposed, then improved algorithm is applied to the simulation of line - guidance and terminal - self guidance of torpedo

    （ 3 ）基於卡爾曼濾波演算法，在各傳感器估計誤差相互獨立和不獨立兩種假設的前提下，給出了卡爾曼濾波加權融合演算法，在此基礎上，提出了修正的track - to - track航跡融合演算法，並將改進后的演算法應用於魚雷線導加末自導系統的模擬研究。
  7. The new algorithm starts from an initial estimate which is based on the hough transform, and a rectangular window is centered using the current line approximation, and a new line estimation is generated by making a total least squares fit through the pixels contained within the window. this is repeated until convergence is reached. lastly, we have suggested a new technique which may recover the motion and structure parameters of a moving object by using of 21 optical flow lines based on the optical flow fields of the feature line this thesis is the project supported by aeronautical foundation science ( no. 99f53065 ) and research center of measuring and testing technologies, and control engineering in nanchang institute of aeronautical technology ( no. 2001 - 15 )

    演算法的思路是：首先，在小區域內運用霍夫變換確定直線的初始值；其次，以直線的初始值所對應的直線為中心線，建立一個矩形框；最後，利用矩形框內所包含的邊緣點數據不斷地迭代直至收斂，從而達到進一步修正直線的坐標參數；本文基於特徵直線的光流場，即線流場，建立了一種利用21條光流線確定空間三維物體旋轉運動參數、平移運動參數以及對應的空間直線坐標的線性演算法。
  8. The program of delphi can call the dynamic link library ( dll ) which is programmed beforehand. it can on - line estimate and correct soc in time. it can advance the precision of the estimation of brc and the capability of the energy management system, then satisfies the practical need of electric vehicles

    並且，在對電池的荷電狀態的預測採用了delphi和matlab混合編程的方法，在delphi中調用事先編好的動態連接庫（ dll ） ，能實時在線的對電池的荷電狀態進行估計和校正，提高了電池剩餘容量預測的精度，從而提高能量管理系統的性能，滿足電動汽車的實用需求。
  9. The noise signal of passing vehicles is gathered with microphone array, and processed off line with the method of wide - band array signal processing, then the estimation of vehicle numbers can be transformed into the estimation of signal source numbers, up and down of the vehicle can be transformed into doa estimation of array signal processing. at the same time, vehicle types are classified using pca method of the pattern recognition based on vehicle noise, and some primarily study is done for vehicle recognition. at last, the result of the experiment proves this method is feasible

    對麥克風陣列所採集的車輛行駛時的聲音信號，運用寬帶陣列信號處理的方法進行離線處理，並將車輛個數的估計轉化為陣列信號處理中信號源個數的估計，將車輛上下行的估計轉化為陣列信號處理中波達方向變化的估計，進而較準確地估計出了車輛的個數與行車方向；同時對所採集的車輛聲音信號應用模式識別中的主分量分析法實現了車輛的簡單分類，為實現車型識別作了一些初步的探索。
  10. Finally, this paper develops a model for estimation of the reserves value, which allows the estimations of the economic recoverable reserves and the remaining economic recoverable reserves to be more scientific by elaborating given parameters hypotheses and by converting the estimation of physical quantity into that of combination of both physical quantity and value quantity, thus brings the work in line with the international practice for reserves estimation

    同時，建立了儲量價位評估模型，對評估過程中參數的假設做了詳細闡述，經濟可采儲量評估由實物量轉向了實物量與價值量相結合，使得對經濟可采儲量、剩餘經濟可采儲量的評估更加科學，並與國際儲量評估方法接軌。
  11. A new robust adaptive scheme which are used for tracking of this robot with parametric and bounded external uncertainties is proposed in this thesis. the controller is consist of a controller which is proposed by slotine1 ' 1 and nonlinear continued feedback compensation part. by estimating the unknown physical parameters of robot on - line, it can eliminate the effects result by parameters and external disturbances and guarantee gas and uniform boundedness of parametric estimation. the only information required in setting up the strategy is the output states of jionts, while the inversion of the inertia matrix or estimation the bound of the inertia matrix and measure the jionts accelerations are not needed. it is shown by simulations that the proposed control scheme has quicker convergence velocity and better control precision than paper [ 1 ] and control schemes at present

    針對該模型具有參數及有界外部擾動不確定性時提出了一種新的魯棒自適應控制策略，控制器由基於slotine的控制器和非線性連續反饋補償控制器構成。通過在線估計機器人的未知物理參數，有效的消除了由參數及外部擾動所引起的不確定性影響，保證系統達到漸近穩定和參數估計一致有界。與現存的許多控制方法相比，該控制策略不需求解慣性矩陣的逆或估計慣性矩陣的界，不需測量關節加速度，而唯一需要了解的只是系統輸出的位置及速度狀態。
  12. The equivalent parameter estimation and on - line voltage stability index at weak buses of network side based on phasor measurement is presented

    提出了基於相量測量的薄弱節點電網側等值參數的估計和在線電壓穩定指標。
  13. Its basic principle is to select a set of secondary variables that are easy to detect and have close relationship with the primary variable according to certain " optimal " criteria. the selected secondary variables are then used to obtain the on - line estimation of the primary variable by constructing some mathematic relationship between these variables

    軟測量技術的基本原理是根據某種最優準則，選擇一組在工業上容易檢測而且與主導變量有密切關系的輔助變量，通過構造某種數學關系，用計算機軟體實現對主導變量的在線估計。
  14. Furthermore, unlike other algorithm, it is free of the definition of weight and estimation of parameters in order to get a realistic image, it is necessary to do processing works, such as transform of plot, hidden - line elimination, illumination, texture mapping, to the 3d models constructed through interpolation

    通過插值建立它的三維模型后，要得到真實感圖像，還必須對三維模型施以繪圖變換、消隱、光照、紋理映射等處理。
  15. Systemic measure scheme is designed on the basis of product line structure and every component of measuring system is specified. secondly, tube product shape imitating, rolling imitating of on - line tube product, measuring the chord length imitating with ccd and dimension measure arithmetic - circle least square estimation are finished. lastly, according to mentioned dimension measuring method, imitating operation and the result of imitating operation are emphatically analyzed

    文章首先介紹了管狀產品的生產線結構，根據生產線結構設計了系統檢測方案，並詳細說明了檢測系統各部分的組成；其次對管狀產品形狀模擬、管狀產品在生產線上滾動模擬、線陣ccd檢測弦長模擬、尺寸檢測演算法? ?圓的最小二乘法進行了研究；最後重點對所提出的尺寸檢測方法進行模擬計算並對模擬計算結果進行分析。
  16. Peer influence is the marked significant predictor in the estimation of youth s attitude towards different inappropriate on - line behavior

    同儕影響這項因素，最能預測青少年對各類網上不恰當行為的看法。
  17. The project is brand - new in the whole provincial electric power system. by simple and practical mathematical methods, the evaluation quantifies the respective guideline of evaluative. moreover, it provides the mathematical model for line consumption estimation and distribution capability choice, and further supplies practical estimation method for the development of urban mv / lv distribution power network

    該課題研究在全省電力系統尚屬首次，評估應用了簡單，實用的數學方法對各項評估指標進行量化；並對線損估算、配變容量選擇等提供了數學模型，為城市中低壓電網發展提供了實用的估算方法。
  18. In cellular envirorunents, because of the influence of several adverse factors, such as muitipath, non - line - of sight propagation, noise, interference and channel frequency characteristics, radio statistics measuremenis like tdoa, toa and aoa related to mobile position, the performance of location algorithms mny be significantly degraded and the position estimation of ms is inevitably biased

    在蜂窩網路環境中，由於受多徑、非視距傳播、噪聲、干擾和通道頻率特性等多種不利因素的綜合影響，使tdoa 、 toa 、 aoa等與移動臺位置有關的電波特徵測量值不可避免地出現較大誤差，從而使各種定位演算法的性能顯著下降，造成移動臺位置估計出現較大偏差。
  19. The spectral correlation density must be estimated before the ds signal parameter estimation. in order to reduce the effect of random noise, we provide a improved method to estimate the spectral correlation density which is based on the average algorithm. it can make the spectral line be more obvious, and improved the snr limit when estimating these parameters

    在利用ds信號譜相關域所表現的特徵進行參數估計時，首先要利用有限時間數據對ds信號進行譜相關密度估計，為降低隨機噪聲對譜相關密度估計的影響，本文引入了集平均的思想，提出採用集平均的方法估計譜相關密度，從而在參數估計時，特徵譜線更顯著，提高了參數估計的信噪比容限。
  20. At the same time, being aware of the error due to the variation of the overhead line parameters with the environment, which is a common problem, the technique of on - line estimation for the parameters of the transmission line is put forward

    針對由於輸電線路參數隨外界條件變化而帶來的雙端測距誤差，本文利用現有的雙端（或多端）測距所提供的硬體設備，提出了基於兩端數據同步的線路參數在線估計技術和演算法。
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