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The mathematic model of antenna is used in digital TV system network layout and simulation. The disquisition educes the mathematic model of Omnidirectional Multilayer TV Antenna.
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摘要这里利用电磁场理论和计算机辅助分析的方法导出电视工程常用的全向多层振元电视系列天线的数学模型，并应用于地面数字电视的单频网组网实践。 |
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The mathematic model of automatic matching of gas-well production decline for abnormally pressured gas reservoir is developed, based on LM's automatic matching of production decline, combined with the regression analysis.
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摘要在LM产量递减自动拟合方法的基础上，结合回归分析建立了异常高压气藏气井的产量递减自动拟合数学模型。 |
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The mathematic model of predicting the horizontal load subjected to aeroplane undercarriage tyre based on the drop-tests was built by analyzing dynamic loads acting on drop-test platform which is supported by three-poles, and the coefficients in the mathe
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摘要通过分析3点支撑落震平台的动态受力情况，确定了起落架机轮投放到落震平台上后，落震平台水准方向的各种载荷情况，从而利用测量落震平台水准载荷的间接测量方法，建立了起落架机轮水准载荷测量方法的数学模型，幷采用在落震试验台水准方向上进行试验标定的方法，确定了数学模型中的有关待定系数。 |
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The mathematic models of the digital vehicle control system based on magnetic guidance were studied.
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摘要探讨磁导航车体运动数字控制系统的数学模型。 |
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The mathematical analysis shows that, with disregarding local head losses and by means of different simplified rigid models, the calculated results of the maximum pressure in a pressurized pipe system containing trapped air mass are equal to and independe
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摘要通过数学分析证明，在不计局部水头损失时，目前常用的几种简化刚性数学模型的最大气压计算结果相等，并与管道内初始充水段长度无关。 |
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The mathematical expressions of variable dependence relation can be afforded by regression analysis in mathematical statistics and the availability of the expressions established can be judged by analysis with probability theory.
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摘要数理统计中的回归分析法能提供变量之间相关关系的数学表达式，而且能利用概率知识，对问题进行分析，判明所建立公式的有效性。 |
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The mathematical guarantees offered by these methods are a necessity for compilers and verifiers, for it is unimaginable that one would use a compiler or a verifier based on heuristics that give correct results only 90% of the time.
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这些方法所提供的数学保证是编译器和验证程序必需的，无法想象谁会使用一个只保证90%正确率的基于启发式的编译器或验证程序。 |
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The mathematical mod els based on the assumed modes method and a dosed loop velocity feed back control law are developed to describe the fiexural vibration dynamic behaviors.
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引入速度负反馈形成闭环控制，对被动控制和主被动控制的控制效果进行了分析比较。 |
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The mathematical model and boundary condition of soil temperature field in finite region was established through analysis geometry model of underground heat oil pipeline.
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通过分析埋地热油管道的几何特性建立有限区域内停输时热油管道土壤数学模型和确定边界条件。 |
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The mathematical model of attitude solving algorithm on high dynamic aircraft was established, and the method which used rotation vector algorithm to solve attitude angle was discussed, and the method was compared with quaternion.
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摘要建立了高动态飞行器姿态解算的数学模型，探讨了利用等效旋转矢量法解算姿态角的方法，并与四元数法进行了比较。 |
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The mathematical model of cell size growth during microcellular foam injection molding process was studied, and the mathematical relationship between process parameters and cell size was established.
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摘要研究了微细发泡注塑成型工艺中微泡长大的数学模型，建立了成型工艺和微泡尺寸之间的数学关系。 |
