| 1. | In other words, the vertical component of its linear momentum remains zero, since there is no resultant vertical force . 换句话说,因为没有竖直方向的合力,所以线动量的竖直方向仍为零。 |
| 2. | Gets or sets the vertical component of this 的垂直分量。 |
| 3. | Besides , the noise harmonics is also an important interference factor , which present the vertical components of reticulate 为了消除各种干扰成分,提取频谱图中的有用信息,需要消除网纹和其他干扰噪声。 |
| 4. | Performance test for prefabricated reinforced components made of autoclaved aerated concrete or lightweight aggregate concrete with open structure under predominantly longitudinal load vertical components 主要为纵向负载下的敞形结构高压蒸养加气混凝土或轻集料混凝土预制加筋元件的性能试验 |
| 5. | It is based on a proper decomposition of the ship motion in horizontal and vertical components . proper imaging intervals in order to obtain high quality ship images are selected using the estimated rotating angular velocity and doppler extension 它将转动分量作了水平、垂直分解,估计出旋转角速度和多普勒展宽,并借助于它们选择最优成像时间段以得到较高质量的舰船图像。 |
| 6. | The effect of horizontal component in moisture potential vorticity is larger than that of vertical component . that is a big difference between torrential rain in summer and snowstorm in winter . the instability in the middle and lower layer of troposphere is one of the triggers in snowstorm 进一步分析表明,条件性对称不稳定判据湿位涡的两个分量中,水平分量在暴雪产生过程中所起作用要大于垂直分量,这是与夏季暴雨过程中得到的结论截然不同的。 |
| 7. | Both ultimate bearing capacity and shakedown loads of non - homogeneous foundations are computed . based on numerical results computed for different load modes , limit loads and shakedown loads of non - homogeneous foundation and offshore platform foundations are compared . the ultimate loads and shakedown loads for different combinations of horizontal component and vertical component and moment can con 在竖向载荷与水平载荷共同作用下,研究了地基土体的强度特性与土层分布特征对地基承载力的彤响,对地基的极限载荷与安定戳荷进行了比较分析,为全面、综合地评价非均质地基的稳定性提供了有益的参考。 |
| 8. | To study the wave field characteristics of 2 - d viscoelastic random medium , we divide up the theoretic recording sections ( vertical component ) into two different time sectors , and separately calculated and extracted the three statistical characteristics ( horizontal center frequency , vertical center frequency and relative magnitude of the wave field energy ) in the two different time sectors 为研究粘弹性随机介质模型中的波场特徵,我们在理论记录(垂直分量)剖面上选取两个时间区段;在这两个不同的时间区段上,分别计算剖面的三个统计特徵(横向中心频率、纵向中心频率、波场能量相对值) 。 |
| 9. | The cost function of the optimal control problem is a weighted sum of the squared horizontal and vertical components of the helicopter velocity at touchdown . the control ( horizontal and vertical components of the thrust coefficient ) required to minimize the cost function is obtained using nonlinear optimal control theory 其次,定义最优控制问题的性能指标为直升机着陆时的水平和垂直速度的加权平方和为最小,并采用一阶梯度算法得到使性能指标最小的控制规律。 |
| 10. | Then the periodic properties of geocenter motion in the x , y , z components are summarized . considering the statistical precision of the gps observations , the geometrical distribution of gps stations and their physical stablility , a new method to determine the parameters of geocenter motion is studied and analyzed . in order to have a better understanding of its effect on the height datum origin , the rule of geocenter motion in the horizontal and vertical components are also analyzed and some useful conclusions are drawn 提出了将谱分析与抗差估计相结合的抗差谱分析方法,并用该方法分析了地心运动时间序列的主要周期特性;为合理地确定地心运动参数,详细研究与分析了一种新的定权方法对求解地心运动参数的作用,该方法充分利用了gps观测量的统计精度、点位的几何分布以及物理稳定性;为了明确地心运动导致的高程基准的变化,分析了地心运动对地面点的水平分量和垂直分量的影响规律。 |