step back method 中文意思是什麼
step back method
解釋
逐步退焊法-
A method of improving shot put teaching with back - turned sliding step
改進背向滑步推鉛球教學的一項措施 -
While cyclic deformation experiment under constant strain control is performed in 400, the material shows the continuous hardening until cyclic invalidation. ( 3 ) back stress attained by kwl " s method is used to analyse the bauschinger effect during an incremental step cyclic test and cyclic deformation test under constant strain control, it is shown that back stress increases with increasing plastic strain and the numbers of cycle, and the back stress is uniform, regardless of tension or compression conditions. ( 4 ) as far as recrystallized zircaloy - 4 plate is concerned, the back stress in transverse direction is higher than that in rolling direction due to the higher schmid factor in rolling direction
對于再結晶狀態的zr一4合金板材試樣來說， t方向（橫向）試樣的背應力要高於r方向（軋制方向）的背應力，原因在於r方向的schmid因子高於t方向的schmid因子; 400下， zr一4合金的背應力要明顯低於室溫下的背應力;含氫200pg / g的zr一4合金的背應力大小與無滲氫的zr一4合金背應力相比，無明顯區別;固溶處理后， zr一4合金的背應力大小發生了變化，在較高塑性應變下，背應力均高於固溶處理前的背應力。 -
So it is very important to understand the cyclic deformation behavior of zircaloy - 4. in this paper, bauschinger effect of zircaloy - 4 with different metallurgical state at room temperature and 400 ? is investigated in an incremental step test and cyclic deformation test under constant strain control. bauschinger effect during cyclic deformation is described by using back stress, which is mainly responsible for bauschinger effect ; back stress is attained by using kwl " s method
本文採用單試樣逐級加載循環變形和恆應變幅循環變形試驗，研究了不同冶金狀態、溫度、氫以及固溶處理下的zr - 4合金的bauschinger效應現象；種種結果表明，影響bauschinger效應的主要因素是背應力；本文正是從背應力的角度來分析各種狀態下zr - 4合金的bauschinger效應現象；背應力的計算主要通過使用kwl方法而獲得。 -
It elaborates on the 3 - step start technique. i adopt the method which permits the bldc motor to automatically search the best time to change its operation stage from a separately controlled synchronous one to a self controlled one using the back emf as the commutation signal. this method prevents the stepping out and stopping problems in the changing procedure of the motor
闡述了電機的三段式起動方法，在直流無刷電機由起動階段外同步運行切換到反電勢換向自同步運行的過程中採用了自尋最優點切換的方法，保證了電機在切換過程中不會發生失步和停轉現象。 -
The technique of back emf induction in bldc motor is analyzed, the " virtual neutral point " method and the technique of " 3 - step " start are introduced
主要分析了反電動勢感應方法，並闡述了虛擬中點法和三段式起動技術。 -
The third chapter employed a new method of taking pressure as step to simulate refrigerant flow characteristics in adiabatic capillary tubes, based on adiabatic capillary tube mathematic models. refrigerant critical flux in capillary tubes is predicted by means of back - propagated method. it indicates that this method can save computational time, so it can be used in engineering
在建立絕熱毛細管數學模型基礎上，採用以壓力為步長的新方法對絕熱毛細管進行了模擬計算，採用bp神經網路對製冷劑在毛細管中臨界流量進行了預測，結果表明該方法能夠較大幅度地節省計算時間，因而具有工程應用價值。 -
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。 -
Among these key technology are as the follows : 1. a method for extracting the back grids based on spatial recognizing, including the method of step point based cross matching and hough transform
其中關鍵技術包括以下幾點: 1 .基於空域識別的網格提取方法，包括:基於階躍點的十字模板匹配法和hough變換。
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