kinematic accuracy 中文意思是什麼
kinematic accuracy
解釋
運動精度-
1 ) based on the theory and application of gps, the construction and application of the rtk ( real time kinematic ) - gps carrier phase measurement ( so called rtk ) are studied. the differences between messages type 18 / 19 and type 20 / 21 are compared by analysing rtcm sc - 104 messages, and the advantages and disadvantages of using those types are pointed out. 2 ) the various factors, which influence positioning accuracy, are analyzed in this paper
論文的主要內容和研究成果如下： 1 ）簡要介紹了gps的原理和應用，論述了rtk （ realtimekinematic ） - gps載波相位測量（通常簡稱為rtk ）系統的組成和工作原理，通過對rtcmsc - 104電文的分析，比較了rtk電文type18 19與type20 21的差別，指出分別使用這兩電文實現rtk的利與弊。 -
According to the principle of linear pile - up of small displacement, the static and dynamic output kinematic errors are synthesized, and the reliability model of the kinematic accuracy of the mechanism is built
應用微小位移的線性疊加原理分別對靜態、動態誤差進行了綜合，建立了機構輸出運動精度可靠性分析模型。 -
This paper deals with the static and dynamic output kinematic accuracy of a group of elastic slider - crank mechanisms with the same design parameters by taking the bar length, joint - gaps, mass density, interception and physical parameters as random variables
摘要將彈性曲柄滑塊機構的桿長、截面尺寸、鉸鏈間隙、質量密度、彈性模量等幾何、物理參數均視為隨機變量，對機構輸出運動進行了靜態和動態誤差分析。 -
Simulation result shows that although all structural error of virtual axis machine tool can not be identified completely while the moving platform moves inside its working space, the moving platform kinematic accuracy is fulfilled inside the whole working space after error compensation
模擬結果表明，雖然在虛軸機床的工作空間里無法將其可能存在的結構誤差全部求出來，但計算結果完全可以滿足機床在工作空間里的運動精度要求。 -
Through an example, a study of the influencing factors on the reliability of the output kinematic accuracy of the mechanism is made, the results obtained reveal the following fact : with the increase of crank ' s rotating speed, the dynamic elastic deformation of the mechanism becomes the principle factor that effects the reliability of the output kinematic accuracy of the mechanism greatly
通過算例，考察了機構輸出運動精度可靠度的影響因素，結果表明隨著機構轉速的提高，機構的動態彈性變形將成為影響機構運動精度可靠性的主要因素。 -
A niched - penalty approach is used to transform this optimal kinematical design problem to an unconstrained one. a kinematic accuracy comparison of the genetic designed fine - tuning stewart platform with the quasi - newtonian designed one is made. the comparison results have shown that the kinematic accuracy of the genetic designed fine - tuning stewart platform has a much higher accuracy and a compact structure than that of the quasi - newtonian designed one, which guarantees the accomplishment of high precision trajectory tracking and reduces the disturbance of wind to the feed - supporting system
以並聯機器人jacobian矩陣的條件數為優化設計的目標函數，提出了基於遺傳演算法的並聯機器人最優運動學性能結構參數優化設計方法，採用實值遺傳演算法，對精調stewart平臺進行了優化設計，得到了最優運動學的精調stewart平臺結構參數，為實現新一代大射電望遠鏡饋源指向跟蹤系統高精度軌跡跟蹤控制奠定了堅實的基礎。 -
As the new generation product replacing j53 - 1600a model, it adopts accessories of j53 - 1600a excepting some accessory such as machine frame. in addition to its standard parts are mostly universal and wearing parts are completely universal, its platform, brake and balance cylinder are improved and designed to be more convenient for maintaining. j53 - 1600c model machine frame guide rail adopts wear - proof paneling, radically solving the problem that j53 - 1600a model press owns poor abrasion resistance and has bad effect on kinematic accuracy during application owing to no paneling on its integrated body
J53 - 1600c型是在j53 - 1600a型基礎上的改進型，是j53 - 1600a型換代產品，除機架等個別零件外，其它件採用了j53 - 1600a型的零件，而且標準件基本完全通用易損件完全通用，另外平臺制動平衡缸改進設計使設備維護更為方便， j53 - 1600c型機架導軌採用耐磨鑲板從根本上解決了j53 - 1600a整體機身無鑲板耐磨性差，使用后影響運動精度的問題。 -
The accuracy and reliability of the kinematic positioning are affected by not only the random noises and systematic wrong, but also the observation noises related to time
摘要在動態定位數據處理中，動態定位的精度和可靠性除受觀測偶然誤差和系統誤差的影響外，還受時間相關的觀測噪聲的影響。 -
Due to its character of microscopic scale motion, a very simple position kinematic equation is achieved. based on the equation obtained, the workspace of the serial - parallel micromanipulator is described, and the effect of different structural parameters on the workspace is also discussed. in order to evaluate the output errors caused by the structural errors and actuator errors, accuracy analysis is then conducted for this serial - parallel micromanipulator, and an approach based on software programming is presented for error compensation
由於所研究的微操作機器人運動范圍很微小，機構結構誤差及驅動誤差都可能造成機器人的操作精度嚴重降低，為評價這些機構誤差對運動精度的影響，本論文以矢量法對該機器人機構進行了誤差分析，並討論了誤差補償的軟體法；此外，論文還進一步研究了遺傳演算法在並聯機器人機構學研究中的應用，為並聯機器人位置正解問題求解提出一種新思路。 -
According to the inverse solutions of 3 - tpt translational parallel robot mechanisms, in which both the base and the mobile platform are triangle and similar to each other, for the error of the mobile platform center denoted by modulus of error vector, the accuracy model of parallel robot mechanisms is established by the differentiation of the kinematic
摘要針對具有相似平臺的3 - tpt型三維移動並聯機器人進行了研究，根據其位置反解方程，採用機器人微分理論，以誤差向量的范數表示動平臺中心點的誤差，建立了該機器人精度分析的數學模型。 -
A comparision between the partly - weigthed least - squares estimation and the kalman filter is made on precise kinematic gps positioning with the fixed ambiguities, which shows that the positioning results from the partly - weigthed least squares, which accuracy is at the level of 10 cm, are much more accurate than the results from the kalman filter, which accuracy is at the level of a few meters
針對高精度動態定位結果的精度，對最小二乘法和經典kalman濾波這兩種演算法進行了綜合分析和比較。算例顯示，在高精度gps動態測量中，最小二乘法可以提供厘米級精度的位置結果，而kalman濾波演算法不但不能提高定位結果的精度，反而會給定位結果引入米級的偏差。 -
As the parts of the main contributions, the research projects focus mainly on how to improve gps surveying by reducing ionospheric delay for dual / single frequency kinematic / static users : high accuracy correction of ionospheric delay for single / dual frequency gps users on the earth and in space, china waas ionospheric modeling and the theory and method of monitoring of ionosphere using gps. the main contents of this ph. d paper consist of two parts : fisrt part - the outline of research background and the systematic introduction and summarization of the previous research results of this work
本文主要包括兩方面的內容：一、研究背景的一般性描述及相關基礎研究的系統總結和介紹，主要涉及：地球電離層研究意義，地球電離層探測技術與相關理論研究的內容，現代大地測量中電離層問題的由來、嚴重性與新課題，地球電離層的基本特性及其對電波傳播的影響， gps定位的基本理論與方法，電離層延遲對gps測量的影響， gps的電離層延遲改正的基本方法，基於gps的電離層研究的基本原理與方法等。
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