恆誤差 的英文怎麼說
中文拼音 [héngwùchā]
恆誤差
英文
constant error-
In general, a precise resistor is in series with one of the resistors in wheatstone bridge to compensate the zero offset, and the other one is in parallel with another arm of the wheatstone bridge to compensate thermal zero drift. based on this principle, in this paper, a compensation method based on virtual instrument technology has been put forward. actuated by current source, a good calculation method of compensation resistors and their position in the bridge is deduced
本文基於串並聯電阻補償法的原理，提出了一種基於虛擬儀器的誤差補償方案，推導了在恆流源供電下可以精確的計算出補償電阻大小和補償位置的演算法，並且在虛擬儀器軟體平臺labview上完成了數據採集、處理、顯示等軟體的設計，經過實驗的驗證，對傳感器的零點溫度漂移補償取得較好的效果，而對靈敏度溫度漂移的工藝補償亦有一定的效果。3. vecm of result indicate shanghai a index, shenzhen b, hengsheng index, and jiaqua - an index can recur equilibrium when they deparure equilibrium by coefficient of vecm moreover hengsheng index is very quike. by granger test indicate between a and b inde - x have cause and effect contemporary between hengsheng index and jiaquan index hav - e cause and effect, this result is same to vecm
3 、誤差修正模型結果指出上海a股，深圳b股、恆生指數和加權指數在短期偏離均衡時，仍可經由誤差修正項的調整而回到長期均衡關系，並且恆生指數的調整速度是最快的正向調整。Experimental result indicates that the kgw - xx radio altimeter can provide steady height data at ultra - low altitude, so it can be used as an altitude sensor of a tow target system, and the height data shows a bigger ladder error that affects the precision of the tow target system
靜態模擬測高試驗結果表明：該高度表可在超低空狀態下提供穩定的高度數據，可以作為某型拖靶系統的高度傳感器；該高度表提供的高度數據存在著較大的階梯誤差，將影響拖靶系統的恆高精度。Analysis and simulation results show that the new algorithm provides faster convergence at early stages of iteration and ensures less final misadjustment compared with the cma
理論分析和模擬實驗均表明該演算法與恆模演算法相比，在收斂過程中加快了收斂速度，收數后又能減小對均衡器參數的誤調，具有更小的穩態剩餘誤差。Iv ) constructing of a kind of approximate integration conservative remapping algorithm. through analyzing a second order sign - preserving conservative remapping method, two conservative remapping algorithms have been constructed by using the reconstruction method to take the place of the positivity - preserving error compensation algorithm
（ 4 ）近似積分守恆重映方法構造：在分析了二階保號守恆重映方法的基礎上，通過重構的方法代替原演算法中的誤差補償方法，構造了兩個守恆重映方法。The main contents about calculation of cable curve for suspension bridges are as follows : firstly, parabola theory, a traditional calculation theory of linetype for suspension bridge, is introduced. according to behavior of suspension bridge, segmental catenary theory which is an exact calculation theory of cable curve for suspension bridges is then built. after that, the errors and adaptable range of segmental parabola theory, segmental straight - line theory and traditional parabola theory are compared one another
懸索橋線形計算部分的主要內容如下：首先，介紹了懸索橋的傳統線形計算理論? ?拋物線理論；根據懸索橋的特徵，建立了懸索橋主纜線形計算的精確理論? ?分段懸鏈線理論；並由此比較了分段拋物線法、分段直線法及傳統拋物線理論的誤差和適用范圍；分析了索長變化、跨度變化及主纜變形引起的恆載重分佈對主纜線形的影響。Error analysis and elimination for measuring the widing temperature - rise of electromotor with a constant flow source method
恆流源法測量電機繞組溫升的誤差分析及消除Constant direction error
恆定方向誤差By use plc, system can complete function as follow : this auto - control system be applicable to the temperature and smoke and dust the deal the variety quick, control the process is difficult with the operation is ; by the temperature controlor can automatically follow to the wet tower " exit temperature, error in the ? 3 v including ; by to automatically spray fog to lower the electric resistance, with the function for full the electricity equipment accepting the dust ; because of adopting feedback closed loop, and come to a to respond to the speed quick, constant temprature control the accuracy is high ; because of adopting the sensors, and make the system circumstance to leak water quick ; system have many control parameter can set exit control temperature and adjust value low limit by key ; can communication with remote computer and have remote control
通過使用plc ，使該自控系統可以完成如下功能：適用於溫度及煙塵量變化快、控制過程難以操作的場合；通過溫控表自動跟蹤增濕塔出口溫度，誤差達到3以內；通過自動噴霧來降低粉塵比電阻，以此充分發揮電收塵器的作用；由於採取了閉環反饋迴路，達到了響應速度快，恆溫控制精度高；通過使用各種檢測傳感器，使得異常情況泄水快；該自控系統具有多套控制參數，增濕塔出口控制溫度及調節閥下限值可通過按鍵設定；可與上位機通訊，具有「現控遠控」功能。Guiding photography using equatorial mount or synchronized motor enables the photographer to capture the same number of meteors as stationary photography does. the advantage of this kind of photography is that it helps the astronomer capture the meteor s motion across the star field. this can reduce a considerable amount of calculation work and minimize subsequent errors
利用赤道式腳架，或加上同步馬達所進行的追蹤攝影，所拍得的流星數目與固定攝影完全相同，沒有什麼得益，唯一好處可直接拍得流星在恆星間之軌跡，減少了大量事後計算工作，減少誤差。In chapter one, we propose a new mixed method called characteristics mixed finite element method for a convection - dominated diffusion problems with small parameter e : we handle the convection part whth backward difference scheme along the characteristics, obtain much smaller time - trunction errors and avoid numerical dispersion on the front of the peak curve of the flow : we use a lowest order mixed finite element method to deal with the diffusion part, so this scheme can approximate the unknow function and its following vector with high accuracy at the same time
第一章中我們對小參數對流占優擴散問題提出了新的數值方法? ?特徵混合有限元方法，即對方程的對流部分採用沿特徵線的後退差分格式求解，以保證較小的截斷誤差限並避免了在流動的鋒線前沿數值彌散現象的出現；對流動的擴散部分採用最低次混合元方法求解，以保證格式對未知函數及伴隨向量的同時高精度逼近。由於該方法中檢驗函數可取分片常數，此格式在某種意義上具有局部守恆性質。Solutions are advanced in time by explicit four - stage runge - kutta integration with up to second - order temporal accuracy. to avoid grid motion induced error, the geometric conservation law ( gcl ) is satisfied numerically
為避免網格運動給數值解帶來額外誤差，給出了幾何守恆律的離散形式並在數值上滿足了幾何守恆律條件。By utilizing the main advantages of orthonormalization and power conservation from hilbert transformation, it is found that bit error rate is close to that of dcsk system, but transmission speed is one time higher than that of dcsk system, and the system ' s output variance is effectively reduced
基於qpsk的思想，引入qcsk調制方式，利用hilbert變換對正交且能量守恆的特性，有效減小了系統輸出的方差，較dcsk系統，傳輸速率提高一倍，系統誤比特率與dcsk系統相近。Constant current error
恆流誤差In the process of computation a method based on mass conservation and a special iteration procedure are applied to accelerate the convergence speed and minimize the error of water balance
在數值計算過程中，採用了質量守恆和特殊的迭代求解格式以加快計算收斂速度和減少水量平衡誤差。A new variable step - size cma blind equalization algorithm is introduced to conquer the defects of cma, in which the step size is controlled by the estimation of error signal ' s autocorrelation
摘要提出了一種自適應變步長恆模盲均衡演算法，利用剩餘誤差信號的自相關函數估計值作為控制步長的因子來自適應改變步長的大小，克服了恆模演算法存在的固有缺陷。By fully analysis of two real cable - stayed bridges, following conclusions have been reached : 1 ) under dead loads the sag of inclined cable stayed is the main point of geometric nonlinear behaviors of cable - stayed bridges, and the effects of the interaction of large bending and axial deformation in bending members and the large displacement are relatively small
通過理論分析和實例計算，本文得出以下結論： 1 ）在恆載作用下，斜拉索的垂度效應是幾何非線性的主要來源，組合效應、大變形效應的影響相對較小，若僅僅進行線性分析，則計算所得結果的誤差會很大。Lake - experiment for an un - baffled practical circular array verified the effectiveness and error tolerance of this new method. 5. the intrinsic mechanism of optimal array gains is studied for the scenario when the element spacing is less than one half - wavelength, with emphasis on un - baffled circular arrays
針對一個24元均勻分佈圓陣的湖上實驗結果表明，這種新的恆定束寬波束形成方法是有效的，且在一般條件下，對基陣陣元幅度和相位響應誤差具有良好的寬容性。From error of trapezia quadrature and hardware design of calorimeter, we introduce sampling factor to obtain factual temperature and adopt shorter interval to perform cooling emendation. the appropriate interval is confirmed through thermal capacity demarcating and caloric measuring experiments
從梯形法求解定積分的誤差出發，結合恆溫式氧彈儀硬體電路設計的具體情況，引入采樣因子來準確獲得測量過程的實際溫度，並採用較小的時間間隔進行冷卻校正的計算。The second time development of siemens 840d oem software is done and the hmi for cnc camshaft grinding is established. based on the theory of interpolation together with the geometry character of camshaft, this thesis deduces the camshaft interpolation algrism and analyses the error, while at the same time some research of the constant linear speed grinding for camshaft is done to meet the requirements of high precision and high efficiency
本文對西門子840doem軟體進行了二次開發，建立了全數控凸輪軸磨削人機界面。根據插補演算法的原理並結合凸輪軸的幾何特性，本文推導了凸輪軸磨削插補演算法並進行了插補誤差分析，同時又對凸輪軸恆線速度磨削數學模型進行了研究，完成了凸輪軸磨削的軟體演算法以滿足高精度、高效率的凸輪軸磨削要求。分享友人