精度準則 的英文怎麼說

中文拼音 [jīngzhǔn]
精度準則 英文
accuracy criteria
  • : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ名詞1 (標準) standard; guideline; criterion; norm 2 (目標) aim; target Ⅱ動詞1 (依據; 依照)...
  • : Ⅰ名詞1 (規范) standard; norm; criterion 2 (規則) regulation; rule; law 3 (姓氏) a surname Ⅱ...
  • 精度 : precision; accuracy; degree of accuracy; precision accuracy; trueness
  • 準則 : norm; standard; criterion; rule; formula; square
  1. In accordance with the problem that the fcm algorithm is quite time - consuming for search out cluster cancroids and may not be suitable for on - line modeling and control. this dissertation proposed an improved fuzzy identification method based multistage random sampling fuzzy c - means clustering algorithm ( mrfcm ). it has higher approximate precision and the cpu time has slowed down sharply compared with the common fuzzy

    Johnyen和liangwang介紹了幾種應用於模糊模型的信息優化,本論文在此基礎上對統計信息進行一些改進,並與快速模糊聚類和正交最小二乘方法結合,提高了模型的辨識和泛化能力。
  2. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先,系統分析了影響黃河水位的水沙因素,及僅用水沙因素有效研究水位的可行性,並按變量對應思想採集它們的相應數據;其次,由於相應水位過程數據中含極強的非線性關系,本論文經細致的理論分析,將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原等等數學理論及方法有機揉合,提出了能有效實現這類數據高擬合的分層篩選法,並改進了統計學中多因子(三個以上)方差分析法;再次,將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合,實現了這一典型非線性關系的高擬合,各年汛期上下游相應洪水位過程的擬合誤差都較小;最後,明確黃河下游含沙量對水位的主要影響方式,即含沙量主要是與其它因素聯合對水位作用;另外分析了要實現變動河床洪水位過程確預報的困難所在及改進方向。
  3. A novel dynamic evolutionary clustering algorithm ( deca ) is proposed in this paper to overcome the shortcomings of fuzzy modeling method based on general clustering algorithms that fuzzy rule number should be determined beforehand. deca searches for the optimal cluster number by using the improved genetic techniques to optimize string lengths of chromosomes ; at the same time, the convergence of clustering center parameters is expedited with the help of fuzzy c - means ( fcm ) algorithm. moreover, by introducing memory function and vaccine inoculation mechanism of immune system, at the same time, deca can converge to the optimal solution rapidly and stably. the proper fuzzy rule number and exact premise parameters are obtained simultaneously when using this efficient deca to identify fuzzy models. the effectiveness of the proposed fuzzy modeling method based on deca is demonstrated by simulation examples, and the accurate non - linear fuzzy models can be obtained when the method is applied to the thermal processes

    針對模糊聚類演算法不適應復雜環境的問題,提出了一種新的動態進化聚類演算法,克服了傳統模糊聚類建模演算法須事先確定規數的缺陷.通過改進的遺傳策略來優化染色體長,實現對聚類個數進行全局尋優;利用fcm演算法加快聚類中心參數的收斂;並引入免疫系統的記憶功能和疫苗接種機理,使演算法能快速穩定地收斂到最優解.利用這種高效的動態聚類演算法辨識模糊模型,可同時得到合適的模糊規數和確的前提參數,將其應用於控制過程可獲得高的非線性模糊模型
  4. An idea, simulating the fuzzy model by establishing the fuzzy model and fuzzy control rule of the controlled object is proposed. generally, it is difficult to acquire the accurate mathematical description of the controlled object. a dynamic modulating factor is introduced in the designing of the fuzzy controller so as to improve the precision of the fuzzy control. and a more convenient defuzzify calculation method is adopted. the cart and the single inverted pendulum are taken so as to illustrate the simulation result. in addition, the detailed qualitative analysis of the fuzzy system is achieved. a kind of common method of qualitative analysis is proposed. it can be used to analyse the fuzzy system and describe the behavior of the system state precisely in the phase plane. the simulating results illustrated the method is feasible and available

    提出了在難以確描述控制對象數學模型的情況下,通過建立控制對象的模糊模型來確定系統的模糊控制規,並對模糊系統進行模擬分析的思想.利用連續系統定性分析的思想,提出一種對模糊系統進行定性分析的可行方法,在相平面內較為確地刻畫模糊系統的動態行為.在模糊控制器的設計中,引入動態調節因子來提高模糊控制的,並採用了一種便於實際運算操作的解模糊運算方法.在一種簡單的控制對象情況下進行了具體的模擬計算,得到較理想的控制效果.此外對具有確數學模型的一級倒立擺系統進行此種模糊控制,亦取得很好的模擬結果
  5. This will also pose an impedient to the stopping criteria depending only on accuracy tol with additional requirement for pseudo - symplecticity

    這將對以前僅依賴于tol的停止做了進一步的發展,不得不附加上對辛性的逼近程即擬辛性的要求。
  6. Then the thermal visualizations of jet impingement cooling with single or double row holes inside semi - enclosed ribbed channel are measured by using infrared camera and the effects of flow and geometry parameters on convective heat coefficients are obtained. the results show that : the impingement cooling effectiveness of ribbed surface is affected greatly by the jet - to - surface spacing, and the best effectiveness is achieved under the jet - to - surface spacing equals to 1. the correlation formulas of impingement heat transfer characteristics to the parameters are finally concluded and in good agree with the experiment data

    最後,對單排、雙排沖擊孔試驗板在半封閉通道展開了流量系數的研究,在變化各種幾何因素及流動因素的情況下由實驗得出了沖擊孔流量系數值,討論並分析了各種因素對流量系數的影響程,建立了沖擊孔流量系數的關系式,與實驗結果對比表明:該關系式與實驗實測數據吻合較好,較高,有較高的工程應用價值。
  7. During a visit to the mental asylum, a visitor asked the director what the criterion was which defined whether or not a patient should be institutionalized

    一位神病院訪客請教院長?究竟病院是用甚麼來判斷病人患證程?那知何時要入院。
  8. The error criterion is derived from rotation vector concept directly. in the coning motion environment, a class of rotation vector optimal algorithms are derived and evaluated with the rule of making sure of the minimum coning error. 3

    從旋轉矢量的概念出發,推導了演算法的精度準則,在典型的高動態環境? ?錐運動作為輸入條件下,以使錐誤差最小為原,推導了旋轉矢量各階子樣演算法及其優化演算法,並與傳統的四元數演算法進行了比較; 3
  9. After that, the thesis proposes a algorithm to seek the degree of the texture of a digital image. 3rd. it gives a new model for data clustering, " village - town " model and a clustering globally best algorithm based on genetic method

    以待聚類數據集為對象從尋求全局最優配置入手,首次提出了基於遺傳演算法的聚類變搜索方案和基於點分佈密的類合併
  10. The criteria of convergence and gaussian integral rules are discussed as they affect the efficiency and precision of calculation

    討論了收斂及高斯點數的選擇對計算效率和的影響。
  11. Secondly, precipitation from the radar estimating precipitation model ( rep ) are verified using a rain - gage network of 127 stations in order to show the effects of five methods : zi, optimal interpolation joint of optimal interpolation and kalman filter, kalman filter, and average method. the results show that the method of optimal interpolation and the method of joint have the lowest rms errors and the method of zi has the highest rms errors

    結果表明:將地面雨量計值作為真值,聯合校法和最優插值校法得出的降水量計算最高,卡爾曼濾波校法和平均校法的計算低於聯合校法和最優插值校法, zi關系法的最低。
  12. To accurately predict forming limit, a criterion to reflect material performance in essence was indispensable besides increasing the fea model accuracy

    為了確地預測成形極限,除了提高有限元模擬外,應找到一種本質地反映材料性能的韌性斷裂
  13. Based on the genetic algorithm ' s global searching capability with probability regulation and euclid ' s space distance metric to settle multi - objective, the algorithm that integrates multi - objective ' s decision - making into the modified genetic algorithm to solute the optimal model with discrete variables and multi - objective is proposed. during the algorithm ' s design, the euclid ' s space distance metric is proposed to transform the multi - objective problem into single objective problem. and some modified measure to fitness function and crossover probability and mutation probability are used to improve the performance of the algorithm and avoid premature convergence

    演算法設計過程中,利用歐幾里德空間距離和罰函數法,將含有約束條件的多目標規劃問題轉化為無約束的單目標優化問題;針對簡單遺傳演算法出現的早熟,構造隨進化代數動態調整適應的適應函數和隨個體適應自適應調整的交叉、變異概率;提出比例選擇與英保留策略相結合的選擇、兩點交叉和簡單變異的改進遺傳演算法。
  14. A modified svm model, which can predict peak recognition theory, was proposed in this paper. this model can increase the weight of peak error in the loss function of structural risk minimization, thus improve prediction accuracy of hourly water demand peak

    本文提出一種能夠進行峰值識別的改進svm演算法,該演算法在結構風險最小化的目標函數中加大峰值誤差的權重,從而提高時用水負荷峰值的預測
  15. While putting rough set theory into practice, this thesis pays attention to setting - up the proper data structure. in order to improve the data utilization ratio and promote rule quality, this thesis puts forward the method of " divide equally and examine each other this thesis bring forward the method of dynamic reduce to overcome data noise and confirm the best reduction finally with the help of rosetta tool software we apply the above concept and method to reality, and succeeded in obtaining the optimum rule for the expert system of production scheduling in daye iron ore mine, wuhan iron and steel company

    由於標粗糙集模型對數據噪音高敏感以及工程應用中數據噪音引入的不可避免性,標粗糙集模型在實際應用中存在一系列問題,為克服數據噪音以及規泛化的需要,本文採用變模型,由此模型引入近似約簡方法。本文在將粗糙集理論及變粗糙集模型應用於實際的同時,注重研究了適當數據結構的建立。為提高數據利用率,提升規生成的質量,提出了平分互測規集泛化能力考核方法。
  16. In the first part of this paper we present a laser scanning location algorithm based on least square algorithm using landmarks. then successively, we give the principle of the landmarks option and position recovery algorithm. in the end, the work process of algorithm is given

    給出了結構化環境中移動機器人路標閥值匹配演算法,對定位演算法,本文提出了一種基於最小二乘法的迭代搜索多路標定位演算法,並通過模擬實驗歸納出路標優化選擇的,提高了系統的定位
  17. At the same time, the method of disposal phase shift of ct by compensation is introduced. then the analysis and statistic of electrical power quality, the control scheme and compensating amount of capacitor for reactive power compensation are analyzed respectively. and in the paper, the control with a / y and the switch with ac contactor and solid state switch is valid measure not only for improving operate level economically and amending electrical power quality but also for avoiding of replacing switch frequently and decrease economic loss

    然後對現有的演算法進行了詳細的分析、比較,篩選出既能滿足硬體要求又可降低投資、保證、簡化軟體的方案,確定了同步采樣的方案,並通過對同步采樣誤差的分析,提出了一種從45開始采樣,從而提高的采樣數據處理辦法,同時,對于電流互感器相位漂移提出了一種補償辦法,接著對裝置中電能質量分析與統計以及無功補償中電容器的補償量、投切原也作了相應分析,其中對于無功補償採用y混合接線,並利用交流接觸器和固態開關共同投切電容,不但提高了經濟運行水平、改善了電能質量,而且有效的避免了頻繁更換開關,減少了經濟損失;最後,設計了裝置的硬體電路並繪制了相應的軟體流程圖。
  18. Non - uniformity of the amplifying effect and dimension of the slope are pointed out through analysis of the distribution of the stress and sonic speed in the slope. forms of slope lost stability resulted from blasting vibration are analyzed and appraising rules of slope stability are summarized by a great deal instances on coasts. based on general discussion about calculation methods of the slope stability under the effect of blasting vibration, the synthetical method, a new one, is put forward, analyzed through a sample by and pointed out which is one of most valid methods

    利用波動理論,得出延期時間為nt / m時減震效果最好;在分析邊坡巖體內部應力、質點速等分佈規律的基礎上,指出邊坡震動放大效應的不均勻性和邊坡尺寸效應;結合大量滑坡實例,分析了爆破震動引起邊坡失穩破壞的幾種形式,總結出邊坡穩定性評價;基於對邊坡穩定性計算方法的綜合分析,提出了一種綜合分析方法,通過算例計算分析,證明該法計算高、功能全面,是邊坡動力穩定性分析的有效方法之一。
  19. By implementing quality control and applying an overall quality management, the enterprise is able to control the defective products efficiently, reduce productive cost and gain economic profit. is09000 standard is a quality management system recognized internationally. it is the summary of international trading experience and the theory of quality management

    Iso9000標是一種國際認可的質量管理制,它是世界各國質量管理理論和實踐經驗的總結,它特別吸取了當代全面質量管理的髓,在經濟貿易中已作為質量保證的共同語言和,這對各國質量管理和質量認證事業提供了科學依據。
  20. To develop the system to an automatic system, we have studied how to improve measurement precise by image processing after fast aiming. we use median filter to filtrate noise, use sobel arithmetic to detect the edge, and use kitchen - rosenfeld method to detect corners

    第一種方法著重研究了視頻採集和屏幕懸浮透明瞄坐標系的同步顯示以及提高瞄的途徑;第二種方法著重研究快速瞄后通過圖像處理技術自動獲得誤差補償數據。
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