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三维位移测量     
相关语句
  three dimension displacement measurement
     Three Dimension Displacement Measurement of a Rigid Body with Two Beams
     双光束刚体三维位移测量
短句来源
  measure three-dimensional displacement
     Laser complete-wave hologram applied to measure three-dimensional displacement
     激光完波全息用于三维位移测量
短句来源
     The White Light Complete Wave Holograph Applied to Measure three-dimensional Displacement
     白光完波全息用于三维位移测量
短句来源
  measuring 3-d displacements
     In this paper a new method for measuring 3-D displacements, needle projection method with holographic interferometry, is developed.
     本文提出一种新的三维位移测量方法:标针投影全息干涉法.
短句来源
  “三维位移测量”译为未确定词的双语例句
     Three-Dimensional Displacement Measurements Using High Speed Cameras
     高速摄影技术在三维位移测量中的应用
短句来源
     3D position of the object beforeand after deformation are obtained by projection grating method. Registration ofhomologous point is completed by image correlation identification method. 3D displacement is determined by the position difference.
     将散斑图像识别技术引入投影栅相位法中,实现了基于投影栅相位法的三维位移测量方法,由散斑图像相关识别技术实现变形前、后同名点的匹配,由物体变形前后空间位置的变化求取三维位移,拓展了投影栅的应用范围。
短句来源
     In this study ,10 knee joints from fresh human cadaver were tested with the method of 3-D precise mechanical measurement to investigate the kinematics of patellofemoral joint and the effect of Q-angle variation on patellofemoral motions during knee flexion.
     本实验通过精密机械式三维位移测量方法,采用10条新鲜离体人膝关节标本定标加载,分析研究了屈膝过程中的髌股关切运动学及Q角变化对髌股关节运动的影响。
短句来源
     A new method for measuring the 3 D displacement of a rigid body 3 D displacement measuring with two beams is proposed in the paper.
     提出测量刚体三维位移的一种新方法——双光束刚体三维位移测量术。
短句来源
     Error analysis of 3D displacement measurement by laser holography are studied Various factors had influence over measuring precision are approached. The calculated formulas of measured error caused by the above factors are derived. Finally experimental results are given.
     研究激光全息测量三维空间位移的误差分析方法 ,探讨了影响三维位移测量精度的各种因素 ,以平面波三维测量光路为例 ,推导了由这些因素产生的误差的计算公式 ,最后给出了实验结果
短句来源

 

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    In this paper a new method for measuring 3-D displacements, needle projection method with holographic interferometry, is developed. The calculating formulas are provided, the theoretic errors are analyzed, and the experimental verification is made with a cantilever beam.

    本文提出一种新的三维位移测量方法:标针投影全息干涉法.列出了此方法的计算公式、分析了理论误差,并选用悬臂梁作实验验证. 本方法已应用于牙基托中前部断裂原因的分析.

    It is first prososed that the possibility of the white light coml ete wave holographic interferometry is applied to measure threedimensional displaeeinent, and point the experimental method.Many experiments are made to verify the tneory.The threedimensional displacemets of the specimen are measured,and the result are compared with other methods.

    提出了白光完波全息用于三维位移测量的可能性,指出了实验途径,并进行了多方面的实验验证.实测了一种试件的位移值,并与其它方法进行了比较.明确了发展方向.

    In this study ,10 knee joints from fresh human cadaver were tested with the method of 3-D precise mechanical measurement to investigate the kinematics of patellofemoral joint and the effect of Q-angle variation on patellofemoral motions during knee flexion.The result showed that the human patellofemoral motions are very complex,with a consistent 3 dimensional displacement and rotation patterns,wihich will revise the traditional concept of 2 dimensional patellofemoral motion.Meanwhile we also found that the...

    In this study ,10 knee joints from fresh human cadaver were tested with the method of 3-D precise mechanical measurement to investigate the kinematics of patellofemoral joint and the effect of Q-angle variation on patellofemoral motions during knee flexion.The result showed that the human patellofemoral motions are very complex,with a consistent 3 dimensional displacement and rotation patterns,wihich will revise the traditional concept of 2 dimensional patellofemoral motion.Meanwhile we also found that the abnormal Q angle ,in spite of having no remarkable effect on patellofemoral tracking patterns ,changed the range of patellofemoral motion and resulted in the unstability of patellofemoral joint.Most of the characteristics of patellofemoral motions appeared within the initial 30° knee flexion,while the patella was most unstable and easy to be damaged.The results were so important that the design of the knee joint braces,the procedure of patella realignment surgery,as well as the talent identification of athletes should consider the characteristics of Q angle variation.

    本实验通过精密机械式三维位移测量方法,采用10条新鲜离体人膝关节标本定标加载,分析研究了屈膝过程中的髌股关切运动学及Q角变化对髌股关节运动的影响。结果发现,人类髌股关切具有复杂而有规律性的三维运动特点,对传统认为“髌骨具二维运动”的观点提出了修正。同时发现,Q角异常增大或减小,虽然对髌股运动趋势无显著影响,但可影响髌股运动幅度从而影响髌股稳定性。髌骨的许多特征运动均发生在屈膝30°之前,髌骨此时也最不稳定,容易受到伤害提示临床手术治疗、护具设计及运动员选材时应予重视。

     
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