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變形監(jiān)測(cè)技術(shù)畢業(yè)論文中英文資料外文翻譯文獻(xiàn)-文庫(kù)吧資料

2024-09-10 13:20本頁(yè)面
  

【正文】 veys the robot gradually to bee the first choice the auto mated survey technical equipment. 3 displacements analysis method. After the distortion monitoring work two issues obtain the coordinates difference, possibly moves the quantity, also possibly is the observation error reflection (namely test point moves by no means). Therefore, must carry on the displacement analysis in the distortion monitor data processing. The existing distortion monitoring work displacement analysis method, may in duce into the simple point displacement analysis, the whole displacement analysis and the steady iteration power estimates 3 methods. The simple point displacement analysis has the parison test and the t inspection method. Comparison test use simple, but quite rough, the t inspection method effect is better, at present applies 中英文資料外文翻譯 6 widely. Pelzer proposed in 1971 at present widely uses whole displacement analysis average gap law. The steady iteration power estimated the law is first carries on bythe free freedom method to two issue of s , obtains the coordinates two groups smallest two to ride the solution and the coordinates is bad. Then, through the simple point stability examination and the selection weight function, unceasingly changes in the reference datum datum power, the gradually ite rative putation, finally causes the displacement power is 1,live moving point displacement power takes according to its displacement quantity size is smaller than 1 positive number. Because steady iterates the power to estimate has the stronger localization model error the ability, uses in to move analyzes the effect well, especially when exists pares the imperial throne effect to be after a short while better. But the above each displacement analysis method has the following shorting: (1) Regarding the concrete deformation work, its displacement moves the situation differently, when the observation value pretreatment chooses the datum to be different, will draw the different conclusion to the displacement determination, sometimeseven will draw the wrong conclusion; (2) If two issue of monitor sprecisions are different, namely two issue of parent substances units power variance is inconsistent, then cannot apply; (3) When carries on the supposition examination, the remarkable level selection has enormously is subjective at will. Therefore, the displacementanalysis method still had further to study and the consum mation. 中英文資料外文翻譯 7 4 distortions analyzes and forecasts the method As a result of the deformable body structure, the constituentarchery target physics mechanical properties, the exogenic process plexity and the determinism, does not establish the appropriate indeed qualitative model to be difficult, therefore, through promulgates the distortion monitor data sequence the structure and the rule, establishes the performance forecast model, reflected the distortion characteristic, the inference change tendency, bees one effective method. In recent years, approached with the mathematical model, simulates and promulgates changes The physique distortion and the dynamic characteristic bee the new research direction, parison has the representative model is: Definite function model, regression analysis model, time series analysis model, gray system model, nerve work model, Mar tan oak husband model The definite function model main characteristic is: Using the deformable body mechanical properties and the physical parameter, establish between the load and the distortion the indeed qualitative functional relation, is one kind has first examines the nature forecast method. The modelling does not need the massive distortions monitor material, c
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