惯性的

A method to acquire and track the beacon for deep space optical communication system is proposed, which uses star as beacon, and controls the direction of down beam based on the absolute position in inertial frame, the ephemeris of aircraft and earth and the attitude of aircraft.

提出一种深空光通信系统的信标捕获、跟踪方案，该方案是以恒星作为信标，根据恒星在惯性坐标系中的绝对位置信息，基于航天器和地球星历表、航天器的姿态信息来进行下行光束瞄准方向的精确控制。

According to the second law of Newtonian, inertial mass is a physical quantity represents the difficult degree for motion state to change when object stands a force.

根据牛顿第二定律，惯性质量是表征当物体受到外力作用的时候，物体运动状态改变的难易程度，即物体保持原来运动状态的本领大小的物理量。

Initial alignment is one of the key technologies which affect the effectiveness of the inertial navigation system.

惯导系统的初始对准是影响系统使用性能的关键技术之一，对准的精度与速度直接关系到惯性系统的精度与启动特性。

The test precision of initial measure system cannot exceed the precision limited by alignment error, so initial alignment is a very important problem in develop and application of the system.

惯性测量系统的测量精度不可能优于对准误差所限定的精度，因此初始对准是捷联惯导系统的研制与应用中一个关键的问题。

Furthermore, the problem of coupled piezothermoelastic response of a piezoelectric cylinder of crystal class 6mm is investigated. Analytical solutions for this problem are successfully obtained by using Bessel-Fourier series expansion and Laplace transform. These solutions are helpful for study of the influence of coupling on the distribution of stresses, displacements, electric potential and other quantities as well as the role of inertia term.

研究了热电材料圆柱的瞬态压电热弹性响应问题，应用Bessel-Fourier级数展开和拉氏变换方法成功地求得了该问题的解析解，此解有助于研究瞬态响应问题中耦合效应对应力、位移和电势等物理量分布的影响以及惯性项的作用等问题。

Here is a different state of affairs from classical mechanics, where absolute uniform motion is quite meaningless because of Galileo's law of inertia.

这里的情况跟经典力学不同，在经典力学中，由于伽利略惯性定理的关系，绝对的匀速直线运动是毫无意义的。

A modified Particle Swarm Optimization algorithm is proposed and used to optimize the sidelobe level of plane arrays, in which special techniques as global best perturbation and jumped inertia weight strategy are adopted. The PSO algorithm is also used to select a better combination of optimal parameters for itself.

摘要该文运用一种改进的粒子群优化算法对不等幅激励的矩形平面阵列天线的最大旁瓣电平进行了优化，采用对全局最优粒子微扰和跳变的惯性权重策略，并使用粒子群算法本身对参数组合进行了优化选择。

Based on contraction mapping theorem of analysis mathematics, the non-steady flow mathematical model of mine ventilation network was analyzed.

利用分析数学的压缩映射原理，对矿井通风网络非稳定流动数学模型进行了分析，得出了数学模型数值解收敛的条件，确定了以惯性系数排序选择最小生成树的回路选择方案，为矿井通风网络非稳定流动数学模型数值解的收敛性提供了理论依据。

The driver has a perfect face technology, a higher moment of inertia, deeper center of gravity, better aerodynamic design.

该驱动程序有一个完美的脸技术，惯性高的时刻，更深入的重心，更好的空气动力学设计。

In section 5. 3, it discusses how to determine multiple thresholds of failure detection by minimizing the error probability of FDI and maximizing the system reliability. The GLT test is used in the FDI of a redundant inertial sensor set with gyros or accelerometers evenly mounted along a cone surface of a pentad structure.

在第5.3节中，以五单轴陀螺沿锥体表面均匀安装的结构为例，讨论了冗余配置的惯性敏感器在利用广义似然比方法进行FDI的时候，利用最小错误概率法和最大可靠性法进行多重故障检测门限值确定的问题。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。