誤差機理 的英文怎麼說
中文拼音 [wùchājīlǐ]
誤差機理
英文
error mechanism- 誤 : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
- 差 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 機 : machineengine
- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
- 誤差 : error
- 機理 : mechanisation; mechanization; mechanism
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On the base of researching the theory of the scheme and analyzing the signal feature, it is obtained that the existence manners and character of distance information in the differential frequency signal. at the same time, a new conclusion is gained that the technology of frequency agility can decrease the constant error of system. it is also to say that frequency agility and frequency modulation fixed - distance fuze has the similar feature to random period frequency modulation fixed - distance fuze. according to the theory of address coding in the hopping - frequency communication, the paper presents the principle of selecting the frequency agility sequence which fit to the radio fuze and constructs the frequency agility sequence family based on the rs codes
在深入研究方案原理和分析信號特徵的基礎上,獲得了該體制引信差頻信號中,距離信息的存在形式和特點,得出了頻率捷變技術的引入降低了系統定距固定誤差這一新的結論,即頻率捷變調頻定距引信在定距性能上具有類似隨機周期調頻定距的特徵。本文引入跳頻通信地址編碼理論,結合無線電引信的具體特徵,提出了適用於無線電引信的頻率捷變序列的選擇原則,並構造了基於rs碼的寬間隔頻率捷變序列族。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、最小均方誤差原則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精度擬合的分層篩選法,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精度擬合,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準確預報的困難所在及改進方向。Image coordinate and galvanometer pendular angle are kept in the computer according to the f9 field lens characteristic, enter pupil excursion and f6 characteristic error are ignored, that the image of laser scanning point move acceding to unlinearity relation is deduced theoretically. for deducing the distortion, error compensation is considered in the software
像點坐標與振鏡擺角按f物鏡特性的線性關系存儲在計算機,在忽略了入瞳漂移和f特性誤差后,從理論上推導出二維垂直振鏡分佈中激光束掃描點的像點按照復雜的非線性關系運動,為了減少幾何畸變,在軟體設計中給出誤差補償。The structure of the testing platform is described, and the experiment content and principles are given in detail. the transmission error curves and space frequency curves are emulated. the circuits of rotor part and software are finished
本文介紹了實驗臺的整體結構,實驗內容的設置和各實驗的工作原理,模擬了傳動誤差曲線及其空域頻譜圖,詳細闡述了轉子測量的電路設計、下位機程序設計和上位機的軟體設計。It is pointed out that the image resolution is in proportion to the size of the ccd chip and in inverse proportion to the recording distance
從理論上分析了產生這些誤差的原因,同時作了計算機模擬與數值分析。Abstract : in fourier transform profilometry, because of the nonlinear relationship between the irradiant incident upon a ccd dete ctor andthe voltage it outputs, it will cause phase evaluation errors. here, we ex plain the errorsource by theoretical deducing, then make a simulation. at last, a method to decrease thiserror is put forward
文摘:在傅里葉變換輪廓術中,由於ccd探測器光電響應的非線性,將在測量中引入高次項,從而對相位的求解造成較大誤差,通過理論的推導定性地解釋了誤差的來由,並用計算機進行了模擬計算,最後提出了減小誤差的方法。The model of influence upon the parallel between servo optic axis from the angle error of installation plans presented. whereby the theoretic analysis is carried out and the analyzing results are obtained. the method of obtaining the angle error through measuring the installation plans with three - coordinates measuring device and fitting the measurement data is put forward and pave a road for lessening the influence
對安裝面角誤差影響隨動光軸平行性的問題也建立了數學模型,以此為出發點進行理論分析,給出了分析結果;提出用三坐標測量機測量安裝面,通過擬合得到安裝面的角誤差;從而為減小這一誤差源對隨動光軸平行性的影響鋪平了道路。This technical route was based on integrated ccd camera calibration and image registration by orthograph. ccd camera calibration was accomplished by vertical photograph on the wall of buildings
通過對現有ccd相機標定方法的綜合分析,提出利用建築物立面現成規則圖形紋理結構的垂直攝影法來完成ccd相機綜合誤差的標定。In this paper, the operation theory is ntroduced. we research the quasi. synchronous alternative sampling echnology in detail to improve the precision of the instrument and discuss some problem about the plication of this method. we introduce the develop of hardware and software in the whole instrument. at last, we sive out the result of experiment and the analyses of error
文中論述了該電參數測量儀的工作原理,著重研究了提高測量精度的準同步采樣演算法,並討論了該演算法在單片機中應用的幾個實際問題。在此基礎上,詳細介紹了整個儀器的軟硬體開發過程。最後對儀器進行了實驗和誤差分析,給出了實驗結果和誤差分析結果。Aspheric optical compound machine tool ( aocmt ) which integrates grinding, lapping and polishing is developed. the influences of motion errors on grinding accuracy are analyzed. according to homogeneous coordinate transition model, the postposition processing algorithm in multi - axis numerical control machining is deduced
3 、研製了集銑磨成型、研磨、拋光於一體的光學非球面復合加工機床( aocmt ) ,分析了各種運動誤差對銑磨精度的影響;根據空間齊次坐標的變換模型,推導出多軸數控加工的後置處理演算法;通過五軸數控聯動, aocmt機床能夠以法向方式加工出任意復雜的光學表面,銑磨精度穩定在8 m之內。The analysis of precision about mould - cut main mechanism with clearances is advanced. on the basis of analysis of slider displacement error influenced by the crank length tolerance, the coupler length tolerance and clearances in revolute joints for mould - cut main mechanism, some reasonable suggestions about tolerance distribution of bars length and fitting precision of joints are put forward
考慮運動副間隙對主切機構進行了精度分析,通過分析主切機構中各桿長誤差和運動副間隙對滑塊位移誤差的影響,對商標模切機設計初期桿長誤差分配和運動副間隙配合精度提出了合理的建議。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。Abstract : in the paper, based on the problem that strong reactive background noise can bring about a big measurement error when sound power is measured in a narrow room, such as power room in a diesel locomotive, it is analyzed theoretically that sound power is measured and carried out by using sound intensity probe hood, and sound power of diesel engine surface noise is measured in a power room
文摘:在狹小空間如內燃機車動力室的條件下,測量柴油機表面噪聲聲功率時,動力室內抗性背景聲很強引起較大的測量誤差,從理論上分析了採用聲強探頭罩進行聲功率測量的可行性,並進行了內燃機車柴油機表面噪聲的聲功率測量。Firstly the dissertation analyses the reason of vibration and noise of the transmission gear and the box, drawing a conclusion that the change of gear mesh rigidity and transmission error are the crucial causation to engender vibration and noise of the gear - box ; the main source of the noise is the syntonic noise in box vibration and noise
本文首先分別分析了變速箱傳動齒輪和變速箱箱體的振動噪聲產生機理,得知產生變速箱傳動齒輪振動噪聲的主要因素是輪齒嚙合剛度的變化和傳動誤差的影響;且在變速箱箱體振動噪聲中自鳴噪聲是汽車變速箱的主要噪聲源。After the construct of the motion simulation model, genetic algorithm is used to do the adjustment of pid parameters of the control system of the joint motors, integral separation pid control and angle error analysis is finished, and three force / torque sensors, touch sensors, distance sensors and photoelectric switches are calibrated and installed
在建立了機器人關節控制系統模型后,使用遺傳演算法對其關節電機控制系統進行pid參數整定,進行機器人關節的積分分離的pid控制策略和轉角誤差的理論分析,並進行了機器人三維力/力矩傳感器、接觸傳感器、測距傳感器和光電開關的標定與安裝。Analysis and simulation on assembling - error mechanism for gyro - stabilization platform
視軸穩定平臺的裝配誤差機理分析與模擬Analyse the source of error potentially existed in the instrument and get good control of error processing. 2
通過理論分析,找到本機誤差的主要來源,並對誤差處理及數據處理有了較深入的了解。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。Abstract : this paper introduces the some attention matters in workholding ceramic workpiece, the methed in perventing workholder pressing the ceramic workpiece to break and the calculating and testing holding tolerancea
文摘:介紹了陶瓷零件機械加工時,對陶瓷工件施加夾緊力應注意的一些問題,防止壓傷、壓裂陶瓷工件應採取的措施及有關夾緊誤差的理論計算及實驗測試方法。The goal of this compensation scheme is to make the adc tolerant of comparator offsets and can detect input signals ’ overflow and achieve the desired linearity 。 dominant error mechanisms in the s / h, sub - adc, sub - dac and gain stage are defined and characterized for an arbitrary stage in the pipeline
基於對流水線工作原理和誤差機制的深入研究,提出了一種適用於10位100msample / s流水線adc的新型冗餘校正技術。該技術目的在於校正比較器的失調,實現溢出判斷功能,以提高系統線性度。分享友人