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修正速度
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  correct the velocity
     P equation is used to update the existing pressure and density fields, and the P equation is used to correct the velocity field to ensure continuity of mass.
     p方程用来更新现有压力场和密度场,p方程用来修正速度场以保证质量守恒。
短句来源
     Based on the SIMPLE, we present here an effective improved method, called secondary pressure correction, which can be used well to resolve the problem in SIMPLE that the solution of pressure-correction equation can be used effectively to correct the velocity but ineffectively or not very well to correct the pressure.
     本文在SIMPLE方法的基础上提出了一种有效的改进措施——二次压力修正算法,较好地解决了SIMPLE算法中压力修正方程只能较好地修正速度而不能很好地修正压力的问题。
短句来源
  “修正速度”译为未确定词的双语例句
     By analysing properties of servo system and location errors,presents the view of using software to determine and improve the properties of servo system,improves location accuracy by the way of correcting speed instructions.
     通过分析系统伺服驱动的工作特性及定位误差 ,提出了利用软件来测试和改善系统伺服性能 ,并以修正速度指令的方法来提高定位精度
短句来源
     The method has the main advantages of high positioning accuracy,fast correction, and good integrity.
     这种方案具有定位精度高、修正速度快、系统完善性好等特点。
短句来源
     One is the construction of interval velocity model in depth domain, including initial velocity building and velocity model modification.
     层速度模型的建立分为初始速度模型的建立和修正速度模型。
短句来源
     In this algorithm the coefficient of pressure difference influence d u, d v are determined by solving equations. So determined d u, d v serve as the coefficient of the pressure correction equation.
     该算法主要是通过求解方程组来确定速度修正系数 du、dv,用所求得的 du、dv来确定压力修正方程的系数和修正速度
短句来源
     We update the velocity field by separated offset imaging to raise imaging precision.
     利用分偏移距成像 ,修正速度场 ,以达到提高成像精度的目的。
短句来源
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  相似匹配句对
     The Modified Formula of Calculating Oil & Gas Upward Flow Velocity
     油气上窜速度计算公式的修正
短句来源
     THE REVISSION OF VELOCITY DISPERSION OF STARS WITHIN THE GALAXY
     银河系内恒星的速度弥散度修正
短句来源
     MATCHING SPEED
     匹配的速度
短句来源
     The speed of gravity
     引力的速度
短句来源
     CORRECTION
     一点修正
短句来源
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  erection rate
The younger group responded at an erection rate 5.8 times faster than that of the older group.
      
  correct the velocity
Finally, we AMR for low Mach number reacting flow 11 correct the velocity field to satisfy a divergence constraint on the composite grid system.
      
When images from different offsets are not lined up, a residual moveout can be used to correct the velocity model.
      
We then use the vector field decomposition to correct the velocity field so that it satisfies the constraint.
      


Based on the SIMPLE, we present here an effective improved method, called secondary pressure correction, which can be used well to resolve the problem in SIMPLE that the solution of pressure-correction equation can be used effectively to correct the velocity but ineffectively or not very well to correct the pressure. Numerical calculations for sudden expansion pipe flow have shown that the secondary pressure correction method can clearly accelerate convergence, improve accuracy and save C. P. U time.

本文在SIMPLE方法的基础上提出了一种有效的改进措施——二次压力修正算法,较好地解决了SIMPLE算法中压力修正方程只能较好地修正速度而不能很好地修正压力的问题。对突扩管道流动的数值表明,该方法可以明显地加快收敛速度,提高计算精度和节省计算机时。

A design and implementation method of real-time position differential GPS (Global Positioning System) is discussed in this paper.The differential GPS (DGPS) scheme adopted in this system differs from pscudorange DGPS mainly in that reference station broadcasts position correction-instead of pscudorange correction-nceded for real-time data processing of users. This system has the following main advantages: high positioning accuracy, fast correction, good integrity, simple equipment and easy operation. In the...

A design and implementation method of real-time position differential GPS (Global Positioning System) is discussed in this paper.The differential GPS (DGPS) scheme adopted in this system differs from pscudorange DGPS mainly in that reference station broadcasts position correction-instead of pscudorange correction-nceded for real-time data processing of users. This system has the following main advantages: high positioning accuracy, fast correction, good integrity, simple equipment and easy operation. In the system, reference station can delete manually an unhealthy satellite and users can choose automatically those satellites selected by the reference station, so that not only the differential positioning accuracy can be ensured, but also the integrity be improved. In the paper the positioning error of position DGPS is analyzed and the cxperimented results are given. From the theoretical analysis and the experimented results, we can see that the positioning accuracy of this DGPS is much higher than that of GPS, its static positioning errror can reach (2 ̄5)m, its dynamic features are also excellent.

本文研究实时位置差分GPS的设计和实现方法.该系统采用基准台广播位置修正量,用户进行实时数据处理的差分GPS方案,其主要优点是定位精度高,修正速度快,系统完善性好,设备简单,使用方便.该系统的基准台可以手控删除不健康卫星,用户能自动选择与基准台相同的卫星,这不仅能保证差分定位精度,还能改进系统的完善性.文章分析了位置差分GPS的定位误差,给出了测量结果.理论分析和测试结果都表明,该系统的差分定位精度比GPS直接定位高一个数量级,静态定位误差(2—5)m,动态性能优良.

The design method of the train’s real-time positioning system using DGPS is investigated.This method uses the strategy of the two-way broadcast position correction between reference station and train carrying positioning unit.Both the driver and the control centre can get the train′s position in real time. The method has the main advantages of high positioning accuracy,fast correction, and good integrity.

本文研究了进行高速列车实时定位的差分GPS系统设计方案。该系统采用基准台和车载定位台同时互相传输差分数据的方案,即基准台广播位置修正量,车载定位台实时数据处理,使列车司机可及时得到列车实时位置,与此同时,车载定位台广播实时列车位置,基准台对其进行数据处理并将其实时传输给调度控制中心的方案。这种方案具有定位精度高、修正速度快、系统完善性好等特点。

 
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