estimating error 中文意思是什麼

estimating error 解釋
估計誤差
  • estimating : 編寫預算
  • 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. We shall not carry out the details of estimating the error committed by using the midpoint rule.

    我們將不詳述怎樣估計在採用中點法則所引起的誤差。
  2. It is very important to estimate the basic parameters in helicopter preliminary design. neural network ( nn ) has the advantages in estimating accuracy and generalization over traditional methods. however, there are some difficulties in using nn, e. g., how to select a proper network structure and the number of hidden layers. in this paper, structure and connection weight of a three - layer nn are optimized by genetic algorithm, and the optimized network is applied to helicopter sizing. the proposed method can not only give an optimal nn structure and connection weight, but also reduce the prediction error and has the capability of self - learning when the latest data are available. furthermore, this method can be easily applied to helicopter design systems

    在直升機初步設計階段估算其基本參數是很重要的.神經網路的通用性和精度比傳統的估算方法有更多的優勢，但是在應用神經網路時存在如何選擇合適的網路結構和隱層節點數目等一些困難.應用遺傳演算法優化三層神經網路結構和連接權重，並將優化得到的網路應用於直升機參數選擇中.該方法不但可以給出一個最優的神經網路結構和連接權重，而且降低了估算誤差，具有及時應用最新數據學習的能力.此外，該方法易於在直升機設計系統中得到應用
  3. This inverse filter can consider the efficacious bandwidth of signal tested and the character of measurement system synchronously so we can acquire the estimating value of signal tested and the error is little

    這種反濾波器兼顧被測信號的有效帶寬和測試系統的特性，能夠得到被測信號誤差很小的估計值。
  4. Estimating the approach - through error of roadway holing - through

    貫通測量鄰通誤差預計
  5. This error - based detecting method is improved, that is, predicting the chaotic noise is changed to estimating the chaotic noise. a predicting method is improved to an estimating method to estimate the chaotic noise. then the time used to train the parameters is saved, and no invalid detection will be gotten even if signals come into

    4 、改進了誤差檢測方法，即，將預測混沌噪聲改為估計混沌噪聲，並改進了一種非線性預測演算法，將其用於估計混沌噪聲，省去了參數訓練的時間，避免了參數尚未訓練好時就有信號進入背景噪聲中，而使檢測無效的情況。
  6. Some linear approaches reported recently without postprocessing to fir system identification are discussed. this paper improves the question of the promulgation of error due to estimating middle parameter frequently in other related methods, and presents a direct algorithm of estimating parameter without estimating middle coefficient. through proper mathematic means, for example, singular value decomposition ( svd ) or total - least squares solution ( tls ), this algorithm smoothes the noise and improves effectively the estimation performance

    和2階統計量相比，高階統計量不僅能夠有效抑制高斯有色噪聲的影響，而且能夠揭示隨機過程的相位特性，因此，高階統計量是解決非高斯、非最小相位、非因果系統和有色高斯噪聲環境的系統辨識和處理問題的重要分析工具。
  7. The whole paper had been divided into four parts : the first part introduces the general situation of digital trunking system and its channel encoding, the recent development of viterbi decoding ; the second part studies the error control scheme, and the convolution decoding depth which is most fit to digital trunking system ; the third part introduces several low power viterbi decoder and its principle ; the last part proposes a united - decision estimating viterbi decoding algorithm

    本文共分為四部分，第一部分介紹了數字集群及其通道編碼的總體情況， viterbi譯碼的發展現狀。第二部分給出了數字集群系統中話音通道差錯控制總體方案，並研究了適合數字集群系統的卷積碼的解碼深度。第三部分簡單介紹了各種低功率viterbi譯碼器及原理。
  8. Abstract : it is very important to estimate the basic parameters in helicopter preliminary design. neural network ( nn ) has the advantages in estimating accuracy and generalization over traditional methods. however, there are some difficulties in using nn, e. g., how to select a proper network structure and the number of hidden layers. in this paper, structure and connection weight of a three - layer nn are optimized by genetic algorithm, and the optimized network is applied to helicopter sizing. the proposed method can not only give an optimal nn structure and connection weight, but also reduce the prediction error and has the capability of self - learning when the latest data are available. furthermore, this method can be easily applied to helicopter design systems

    文摘:在直升機初步設計階段估算其基本參數是很重要的.神經網路的通用性和精度比傳統的估算方法有更多的優勢，但是在應用神經網路時存在如何選擇合適的網路結構和隱層節點數目等一些困難.應用遺傳演算法優化三層神經網路結構和連接權重，並將優化得到的網路應用於直升機參數選擇中.該方法不但可以給出一個最優的神經網路結構和連接權重，而且降低了估算誤差，具有及時應用最新數據學習的能力.此外，該方法易於在直升機設計系統中得到應用
  9. For symbol synchronization, a filtering and squaring algorithm of estimating the timing error has been introduced, and a method to improve the accuracy of estimated data has been presented, then two signal interpolation filter have been analyzed, one is fir interpolation filter, another is cubic interpolation filter

    對于全數字接收機中符號定時誤差的恢復，先介紹了一種濾波平方后求符號定時誤差估值的演算法以及一種提高該演算法估值性能的改進方法，接著介紹了糾正定時誤差的fir插值濾波器和立方插值濾波器。
  10. Estimating performance of block codes for both error detection and correction using importance sampling

    線性擬等重碼的檢錯性能
  11. This algorithm improves confidence in se by estimating parameters and states at the same time. simulation results on test power systems which range in size from 4 to 118 buses, have shown the virtues as follows : getting unbiased estimation without detecting and identifying bad data in measurements ; solving state and parameter estimation for power system with good convergence and excellent robust property ; increasing the numbers of iterations a little bit with the test systems expanded ; estimating many transformer taps simultaneously and remaining the main state estimation ; keeping the estimated relative error within + 0. 1 % and processing efficiently equality constraints and ill condition with polynomial complexity

    對ieee ? 4 118節點系統和廣西主網進行的模擬結果表明： l1范數估計具有不良數據拒絕特性，當量測量中存在不良數據時，該演算法在不經檢測和辨識不良數據情況下仍是無偏估計，具有良好收斂性，所需迭代次數隨著問題規模擴大而增長極小；能夠同時估計多個變壓器抽頭，並保持狀態估計主體；在滿足可觀測性條件下，估計的相對誤差保證在0 . 1以內；能夠有效處理等式約束和病態條件，並具有多項式時間性。
  12. At the same time, the influence of the parameter - estimating error and the noise on amplitude of the signal are discussed, and simulation was performed to validate the analysis result

    同時，還從理論上分析了參數估計誤差和信號幅度噪聲對測量時鐘抖動的影響，並進行了模擬驗證。
  13. Based on the error analysis theory of linear equations, the equation for estimating the upper bound of error for two - dimensional vehicle impact model is derived

    摘要根據線性方程組誤差分析理論，推導出汽車二維碰撞模型解的相對誤差上界估算方程。
  14. To solve the problem of filtering divergence in the case of low observability and large estimating error to the target ’ s original state in the ssbopls, this thesis presents a two - stage multiple mode extended kalman filtering ( ekf ) algorithm. at the beginning of filtering, system often has large estimating error. in order to efficiently avoid filtering divergence, the algorithm uses a mode - set which contains multiple modes to approach the real target state mode

    在估計誤差比較大的濾波初始階段，採用多個模型組成的模型集合加權來逼近目標的真實狀態模型，可以有效地減小濾波的模型誤差，避免濾波的發散;當濾波達到穩態后，改為採用單模型濾波以節省計算量和系統存儲量。
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