estimation error 中文意思是什麼

estimation error 解釋
編制預算
  • 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。
  • error : n. 1. 錯誤；失錯。2. 謬見，誤想；誤信；誤解。3. 罪過。4. 【數學】誤差；【法律】誤審，違法；（棒球中的）錯打。adj. -less 無錯誤的，正確的。
  1. A posteriori error estimation based on stress super - convergence recovery technique for generalized eigenvalue problems

    基於應力超收斂恢復技術的廣義特徵值問題后驗誤差估計
  2. 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，對自適應調制系統中的通道估計問題難點，詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然（ ml ）估計和最大后驗概率（ map ）估計演算法，針對平衰落通道，我們模擬了map估計和ml估計的方差與導頻符號長度的關系，模擬結果表明，錯誤方差受多譜勒頻率的變化影響最大，並且對實際的自適應調制系統，導頻符號長度的取值超過20個符號長度時， map通道估計明顯優于ml通道估計。
  3. When more than 10 6 ( 3, 2 ) parity check codes are used to estimate the snr of awgn channel and rayleigh fading channel, the estimation error is less than 1 %

    在bpsk信號通過awgn通道和單徑瑞利通道下使用（ 3 ， 2 ）碼估計，當統計的碼字數達到106以上時，估計誤差不會超過1 % 。
  4. Based on the multivariable analog of civcle criterion, an observer is designed to estimate the system states and hence the dynamical equations satisfied by the estimation error are derived first

    基於多變量的圓判據設計觀測器來估計系統的狀態，進而給出了觀測誤差滿足的動態方程，然後利用積分反推方法，構造性地設計出了輸出反饋鎮定控制器。
  5. According to the characteristics of dtc ( direct torque control ) in induction machine, this paper analyzed the estimation error of flux linkage and torque, and introduced an improved method of flux estimation, a compensation method based on low - pass filter

    摘要根據感應電機直接轉矩控制的特點，對低速下磁鏈觀測誤差產生的原因進行了分析，給出了一種磁鏈觀測的改進方法低通濾波器補償法。
  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. Results : when time duration estimation was done on the two levels of second and minute during online, network - addiction group showed more errors than non - network - addiction group, and time estimated by network - addiction group was shorter than real time duration ; the larger time estimation error is, the better network - addiction group can make time order judgment ; the time memory characters of network - addiction group were different between the two levels of second and minute

    結果：大學生網癮者在網際網路使用條件下，進行秒級時間單位和分級時間單位的時距估計時，誤差值普遍要大於非網癮者，且明顯表現出低估現象；大學生網癮者時間估計誤差值越大，時序判斷越準確；大學生網癮者時間估計在秒和分兩級單位上的時間記憶特點不同。
  8. The results indicate that : only with a few rain gauges to adjust the radar estimated rainfall, authors could simulate the runoff as good as that from rain - gauge - network - measured rainfall ; the accuracy of radar rainfall estimation to heavy rain acts as a more important role than that of light rain ; the estimation error of amount precipitation over a period can be treated as an index for runoff simulation ability

    在1500小時時間序列的比較試驗表明，雷達估測面雨量和雨量計測量的面雨量都能較好地模擬每小時流域出口蔣集的出流量，數值試驗還表明，雷達估測面雨量在某一時段上的均值誤差作為一個指標可以較好地反映其應用於降水徑流模擬時的精度總雨量和強降水的估測精度是雷達估測面雨量能否用於徑流模擬的關鍵。
  9. This paper applied many methods to eliminate the estimation error of the flux linkage. finally, a sensor - less dtc pmsm system is implement and has a good performance

    系統的調速范圍可達1 : 100 ，電機額定轉矩的階躍響應時間為1ms ，動態響應優秀。
  10. Its influence on measurement precision of sediment concentration is also analyzed and the result indicates that a specific estimation error will bring about equal error

    同時從理論上分析了質量吸收系數變化對泥沙含量測量精度的影響，結果表明質量吸收系數的一定估計誤差將引起泥沙含量測量結果的等量誤差。
  11. We further analyze the effect of channel estimation error on multiuser detection

    進一步分析了通道估計錯誤對多用戶檢測器的影響。
  12. The conclusion is that it is only suitable for the occasion where channel estimation error is little

    結論是多用戶檢測只適用於通道估計錯誤很小的情況。
  13. This advantage is shown that in awgn and multipath channel, its estimation mean bias and estimation error square root is smaller than the sc method

    這種優點體現在awgn和多徑通道中自適應分段相關時間同步法的估計均值偏差和錯誤方差均小於sc方法。
  14. Then the effects of the more practical issues such as estimation error and the estimation delay are considered, which results in a method that could be used when channel estimation is incomplete

    接著分析了通道估計誤差及通道時延對于自適應調制的影響，給出了在這些實際情況下，切換門限的設定方法。
  15. Secondly, we present a new transmit diversity scheme with adaptive power allocation in which two antennas are employed at the transmitter, and the effect of the channel estimation error on its performance is also analyzed. theoretical analysis and simulation results indicate that the new scheme has a considerable performance gain and is robust to the estimate bias of channel fading parameters

    其次，提出了在雙天線發送分集中對不同天線的發送功率進行優化分配的技術方案，並分析了通道估計誤差對其性能的影響，理論分析和模擬結果表明：在alamouti雙天線發送分集中採用自適應優化功率分配，不僅提高了系統的性能，還可以提高其對通道估計誤差的魯棒性。
  16. The missile ’ s lunch point parameters and burnout point parameters are estimated using boost phase state estimation, and the impact point is predicted according to ellipse trajectory theory. and the effect of the estimation error of the burnout point on the impact estimate precision is analyzed

    應用主動段的狀態估計值估計了導彈發射點參數和關機點參數，根據橢圓彈道理論進行了落點預報，並分析了關機點參數估計誤差對落點估計精度的影響。
  17. Some modeling of maneuvering target tracking is introduced in this thesis, and current statistical model is used as a basic target model. the arithmetic of kalman filtering based on the model is listed. on the foundation of state vector optimal estimation error matrix theory, the arithmetic of optimal estimation is presented, and target tracking simulation is taken

    本文首先介紹了幾種常用的機動目標跟蹤模型，並把現在較為常用的「當前」統計模型作為本文研究的目標模型，並列出了基於該模型下的卡爾曼濾波演算法;此外，在狀態矢量最優加權估計理論的基礎上，引入了目標狀態最優估計誤差協方差矩陣，提出了一種最優加權估計演算法，並進行了目標跟蹤模擬。
  18. The method estimates the loss of actuator effectiveness based on the augmented error, which is composed of the output estimation error generated by an adaptive observer and the auxiliary error. the actuator fault estimation can be used to reconfigure the control law to recover the system performance

    增廣誤差不僅包括自適應觀測器所獲得的反映故障信息的輸出殘差，還包括由輸入構造的輔助誤差，利用該誤差信息設計了一種自適應參數估計的演算法估計執行器故障，根據估計出的故障給執行機構以相應的補償，恢復系統的性能。
  19. In case of high input dimension system model, taking norm of input vector as the input of wavelet network instead of using tensor product method to construct wavelet network, which could solve the problems of high computation and curse of dimensionality. in the selecting of specific wavelet basis, this thesis first gets initial wavelet basis collection according to spectrum analysis, then gives the least squares regression algorithm to optimize wavelet basis collection based on the least estimation error criteria, which could also initialize the model parameters and increase the speed of convergence

    對于具體的模型小波基函數選擇，本文首先對樣本數據進行時頻域分析，根據小波基函數時頻空間覆蓋樣本時頻空間的原則，在小波框架中選擇建模所用的函數集，然後根據估計誤差最小準則，給出最小二乘回歸優選演算法以進一步優化小波基函數集。
  20. For the image sequences super - resolution, we develop a new motion estimation algorithm in image sequences. instead of using only two frames from the sequence, the new algorithm uses the whole sequence to estimate the motion vector of each frame, and is more accurate and robust than the former classical motion estimation algorithms. the algorithm also provides a reliability measure of the estimated result, which was introduced into the super - resolution image reconstruction to overcome the influence of the estimation error

    在光學圖像序列超解析度方面，提出了融合多次估計的圖像序列運動估計方法，將圖像序列作為一個整體來計算每一幀的運動矢量，克服了以往的運動估計中只利用兩幀圖像的信息的局限，提高了運動估計的準確性和穩健性；給出了運動估計的置信度度量，並將其引入到圖像恢復演算法中，進一步克服了運動估計誤差的影響。
分享友人
分享到 Line

分享到臉書