零誤差 的英文怎麼說
中文拼音 [língwùchā]
零誤差
英文
zero error-
The gravity analysis is carried out especially for the synthetic fused silica and calcium fluoride used in 193nm lithographic objective as well as the optical elements with structural sizes of ( 200mm ~ ( 300mm. large numbers of analysis data for surface shape error are obtained by using algor finite element analysis software. then these data are plotted into curves and comparison analysis will be carried out, finally the measures and schemes for reducing gravity deformation are proposed
因此，本論文重點對大口徑光學系統在高精度光學鏡頭裝校中，因重力變形進行了詳細的分析研究，特別針對193nm光刻物鏡系統所使用的材料sytheticfusedsilica和caleiumfluoride以及用到的結構尺寸200mm ~ 300mm光學零件進行了重力變形分析，使用algor有限元分析軟體獲得了大量的面形誤差分析數據，然後將這些數據繪成曲線進行對比分析，最後提出了減小重力變形的措施與方案，並進行了實驗，驗證了分析結果是正確的，減小重力變形的方法是有效的。It is one of the pivotal factors to measure and control the geometrical size, shape error and positional error in order to ensure the device quality. so the online measurement of their geometrical size and shape error and positional error is the problem to be solved
大型工件幾何尺寸、形位誤差的測量和控制，是保證整套設備質量的關鍵因素之一，因而，大型零部件及組裝件的整體幾何參數和形位誤差的測量、零部件加工的在線測量，就成為急需解決的問題之一。This text divides into five chapters altogether : chapter one in the introduction, have introduced the common sensor of displacement, has pointed out the fine characteristic of hall ' s sensor, put forward the basic task ; chapter two have introduced the basic operation principle of hall ' s component ; chapter three introduce hall temperature performance, electromagnetic characteristic, zero error, frequency characteristic and these parameter commonly used compensation method and hall simple application of component ; chapter four having recommended the measurement principle of the feedback servo mechanism, systematic implementation method, the experimental result has appeared, structure the mathematics model, and has analysed the error ; chapter five have pointed out the developing direction in the future while looking forward to
本文共分為五章：第一章緒論中，介紹了常見的位移傳感器，指出了霍爾傳感器的優良特性，提出了基本任務；第二章介紹了霍爾元件的基本工作原理；第三章介紹了霍爾元件的溫度性能、電磁特性、零位誤差、頻率特性以及這些參數常用的補償方法和霍爾元件的簡單應用；第四章介紹了反饋隨動機構的測量原理，系統的實現方法，給出了實驗結果，構建了數學模型，並對誤差進行了分析；第五章展望中指出了今後的發展方向。This article has studied the deficiency and shortcoming of various kinds of methods of the parameter measurement of transmission line at present, proposed the measurement under operation on the basis of gps, researched gps application way and error that may appear in the power system synchronal sampling, put forward the parameter computing technology based on the information of both sides of transmission line, which solved some problems that exist in the parameter measurement, especially the problem that exist in the zero - sequence parameter measurement of transmission line with mutual inductance
本文研究了目前輸電線路參數測量的各種方法，分析了其中存在的不足和缺點，提出了基於gps的輸電線路參數在線測量方法，研究分析了gps在電力系統同步采樣中的應用方式以及可能出現的誤差，在同步采樣的基礎上提出了基於雙端信息的線路參數計算方法，較好地解決了輸電線路參數測量中存在的一些問題，尤其是多回互感線路零序參數測量困難的問題。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。In order to remedy the faults of the traditional pipe - leak detector based on the straight - correlation analysis method which has high demand for hardware and high price, the pipe - leak detector based on the polarity correlation algorithm with the cross - zero method is presented, the hardware design and the test is finished, the result only with the error from 1 % to 3 % is gained, and its feasibility is testifies
針對採用直接相關法的傳統相關測漏儀對硬體要求高、價格較貴的缺點，將極性相關的過零演算法應用於相關測漏，並設計了硬體結構，進行了實驗模擬，在實驗室條件下，測量誤差約為1 % ~ 3 % ，驗證了其可行性。Both two methods require a good binary image, if there exist concave, the aggregated objects will be segmented and recognized correctly and the error is lower, otherwise, it may give err result. considering the edge information will give robust segmentation, but the information may contain noise when the object is strongly non - uniformity and the speed decreases
該演算法對圖像的二值化效果要求較高，當物體間的縫隙在二值化后能部分或全部判定為背景，即粘連的物體在二值化后能有明顯的凹陷時，識別率很高，誤差幾乎可以為零。With the software of simulating low - pressure vacuum carburizing process and computer control system, carburizing process parameters are controlled accurately. the minimum error of carburizing layer depth, the optimal distribution of carbon concentration in carburizing layer and the minimum distortion are insured
均勻布置鼠籠狀加熱元件和多組滲碳氣氛噴嘴，並對滲碳參數進行精確控制，可保證零件最小的滲層深度誤差最佳的滲層碳濃度分佈。Time interval analysis shows network errors organized by time periods to identify whether a problem is sporadic or consistent throughout the day
時間間隔分析按照時間段結構顯示網路誤差，識別問題是零星出現，還是在一天中連續出現。In this paper, we emphasis on the distributed mimo zero forcing detection, maximum likelihood detection and minimum mean square error detection. the simulation results are presented to compare the proposed distributed mimo detection algorithms
本文重點闡述了分佈mimo的迫零檢測演算法、最大似然檢測演算法和最小均方誤差檢測演算法，並通過模擬比較了這三種分佈mimo檢測演算法的性能。For these reasons, we can apply the theory of the model reference self - adaptive control syetem design based on the theorem of balance point stabilization in the force system of asymmetric cylinder controlled by symmetric valve. the main idea of model reference self - adaptive controller is to make the self - adaptive control error incline to zero as time passed. the task to design adaptive controller is to find the control input that can make the output of the controlled system to follow that of the reference model
因此將基於平衡點穩定定理的模型參考自適應控制系統設計理論應用於閥控非對稱缸力系統中，其基本原理是使自適應控制誤差隨時間的推移而趨向于零，自適應控制器設計的目的是尋找使被控系統的輸出漸近一致的跟隨參考模型的輸出的控制輸入，以此來改善被控系統的性能。Zero - drift error
零點漂移誤差In many performance check, artillery control systematic dynamic trail aimed error is one of relatively important parameter, dynamic trail aimed error denote : when high cannon system is dynamic trailing, set bullet pellet flight time is 0, in the condition of not considering advance quantity ( 0 fly working ), the axis of artillery pipe should direct goal
在諸多的性能考核中，火控系統的動態跟蹤瞄準誤差是較為重要的參數之一。所謂動態跟蹤瞄準誤差是指：當高炮系統在進行動態跟蹤時，設定彈丸飛行時間為零，即在不帶提前量的條件下（即零飛工作方式下） ，火炮身管的軸線應直接指向目標。Theoretical analysis shows that the observation error converges to zero
理論分析證明觀測器的觀測誤差收斂到零。If measurement errors occur randomly, one can expect their mean to approach zero.
如果測量誤差隨機產生，可以期望他們的平均值近於零。The mrafc scheme employs a reference model to provide closed - loop performance feedback for generating or modifying a fuzzy controller ' s knowledge base. the adaptive compensation term of optimal approximation error is adopted. by theoretical analysis, the closed - loop fuzzy control system is proved to be globally stable, with tracking error converging to zero
該方案利用參考模型作為閉環系統的反饋信號來產生、調節模糊控制器的規則庫，並通過引入最優逼近誤差的自適應補償項來消除建模誤差的影響，不但能保證閉環系統穩定，而且可使跟蹤誤差收斂到零。Firstly, based on backstepping and the supervisory control strategy, a robust adaptive fuzzy controller is designed for a class of nonlinear systems. the first type fuzzy logic system is used to approximate the unknown part of the process. the adaptive compensation term of the optimal approximation error is adopted
本文首先針對一類不確定非線性系統，基於backstepping方法，利用監督控制，引入最優逼近誤差的自適應補償項，並利用型模糊邏輯系統逼近系統的未知部分，提出了一種魯棒自適應模糊控制器設計方案，運用李亞普諾夫第二方法，先證明了閉環模糊控制系統全狀態有界，再證明了跟蹤誤差收斂到零。To reduce the limits of error in measurement, the zero graduation of instruments must be carefully checked
為了減少測量誤差，必須仔細檢查儀器的零刻度。New synchronous control technology based on double closed - loop zero - error hardware interpolation and its application
新型雙閉環零誤差硬體插補同步控制技術及應用Zero - error reference
零誤差參考分享友人