機誤回歸 的英文怎麼說
中文拼音 [jīwùhuíguī]
機誤回歸
英文
error regression-
Phases straight lines model and not straight lines model based on bp are used to correct the physical parameters and eliminate deflection. the least - square is used to calculate the efficiency of generators
在物理量校準中利用分段直線回歸和基於神經網路的非線性回歸,對模擬量進行了非線性在線校正來消除誤差;在發電機效率計算中利用最小二乘法實現了發電機效率回歸。This paper studies mainly the theories of the semi - parametric regression model : ( 1 ) under proper conditions, using random weighted way to the estimator of the error density f ( x ) of the semi - parametric regression model, this paper proved the strong and weak consistent and the asymptotic unbiased property of the weighted kernel estimation fn1 ( x ) of the f ( x )
本文對半參數回歸模型:主要做了以下三個方面的理論研究: ( 1 )將隨機加權法應用到半參數回歸模型的誤差密度f ( x )的估計當中去,在適當的條件下,證明了誤差密度的加權核估計( ? ) _ ( n1 ) ( x )的強相合性、弱相合性及漸近無偏性。The apsp produced abroad is made by numerical controlled machine tool, which has noise level of 71db ( a ), the apsp produced in our country is made in the method of exploratory which has noise level of 73db ( a ) and 75db ( a ). in order to analyze the influence of stator curve to noise, the author used tri - coordinate measuring instrument to measured exactly the inside surface of stator and got the straddling point coordinate, and made curve fitting by using matlab as language and studied the fitting effect and then worked out the equation of stator transition curve in return seeking, then comparied this method with the standard style and made the conclusion : the equation of atator transiting curve of apsp made by numerical controlled machine tool is close to theorical 5 power curve standard style, but compared with it, the stator transiting curve of apsp produced in exploratory has a major error. combining the testing results of noise, one can know that the qualily of stator transition curve play an importance to t he noise of the pump
國外生產的汽車動力轉向泵是用數控機床加工的,其噪聲值為71db ( a ) ,國內生產的汽車動力轉向泵是用靠模方法加工的,其噪聲值分別為73db ( a )和75db ( a ) ,為了分析定子曲線對泵的噪聲的影響,本人用三坐標測量儀對定子內表面進行精密測量,獲得定子內表面的離散點坐標,以matlab語言為工具對離散點進行曲線擬合,觀察擬合效果,然後,用回歸方法求出了定子過渡曲線的方程,並把該方程與理論方程標準型進行了比較,得出如下結論:用數控機床生產的汽車動力轉向泵的定子過渡曲線方程非常接近理論5次曲線標準型,而用靠模方法加工的汽車動力轉向泵的定子過渡曲線與理論5次曲線標準型相比較,則存在著較大的誤差,結合噪聲測試結果可知,定子過渡曲線的優劣,對泵的噪聲大小有著重要的影響。In this paper, the density of randomly chosen glass micro - beads with high retro - refractive index is determined using a weighting method based on static mechanics, and the measurement deviations are analyzed and discussed
摘要隨機抽取有代表性的玻璃微珠產品,根據靜力學稱衡法原理,通過測量多珠統計平均法測量回歸反射高折射率玻璃微珠的密度,並分析和討論了測量誤差。This paper aims at the condition on the base of the calculator assistance error controlled instrument, carrying on the examination, analysis and control to the process, studying the algorith in error process, setting up the model for analysis to the error, controlling a sport error of the instrument in different controlled way, then carrying on imitating in the process, realizing compensating for error
本文針對這一現狀利用計算機輔助誤差測控儀對加工過程進行檢測、分析與控制,研究了誤差處理中所涉及的演算法,對誤差進行數值建模回歸分析,用不同的控制演算法控制誤差測控儀的運動誤差,然後進行加工過程的模擬,實現誤差補償。A large number of experimental data is used to determine the mass absorption coefficient in the multi - point method so the stochastic errors can be got rid of to a great extent
多點回歸法以大量實驗數據為基礎上,很大程度上消除隨機誤差的影響。Therefore, under open economy, study to the effects of balance of payments, an economic parameter representing trade changes between domestic and foreign countries, on domestic macroeconomic process has theoretical and practical significance for china that joins international economy. although balance of payments problems are almost included in international economics, this thesis mostly pays attention to open economics problems based on the monetary approach
在上述分析的基礎上,利用granger影響關系檢驗、協整檢驗和arma模型、誤差修正模型、向量自回歸模型、離散選擇模型等經濟計量方法,在開放經濟條件下對中國國際收支項目與國內宏觀經濟變量之間的長期動態影響關系和傳導機制進行了實證研究。The bic method generalized from ar model was adopted to determine the number of input neurons in grnn prediction model. the grnn was applied to single - step and multi - step ahead prediction of the vibration time series of a rotating machine, and its performance was compared with that of 3 - layers perceptrons network with error back propagation training algorithm ( bpnn ). it is indicated that the grnn is more appropriate for prediction of time series than the bpnn, and the performance of grnn is qualified even with sparse sample data
研究了基於廣義回歸神經網路( grnn )的大型旋轉機械振動狀態預測,提出了應用bic準則確定grnn預測模型輸入神經元數目的方法,將grnn用於大型機組振動峰?峰值時間序列的預測,與採用誤差反向傳播學習演算法的三層前饋感知器網路( bpnn )的預測結果對比表明, grnn的預測性能優于bpnn ,而且,即使樣本數據稀少,也能獲得滿意的預測結果。The author proposes a new contact point regress method which can be applied to any type of sc profile inspection by use of coordinate measuring machine ( cmm ), establishes a mathematical model for data processing and error evaluation method, solves the puzzles of the spatial cam profile inspection and error calculation
提出了以三坐標測量機為工具,適合於任何形式空間凸輪廓面檢測的接觸點回歸法,給出了數據處理的數學模型和誤差計算方法,解決了空間凸輪廓面檢測與誤差計算的難題。分享友人