研究了轨道状态分析信息系统的设计与实现方法。
The design and realization of analytical information system for railway track state is studied.
研究轨道不平顺，对于车辆、线路的设计以及轨道状态的科学评定都具有重要意义。
Study on track irregularity is valuable for designing of vehicle and the track and scientific evaluation of the track status.
设计扩展卡尔曼滤波器进行卫星编队轨道状态估计，数学仿真结果验证了这种导航方案和算法的有效性。
The orbit states estimation is achieved through the extended Kalman filters design. The simulation results verify the validity of this navigation method, and show preferable navigation accuracy.
管理的角色是使团队了解关于团队计划、项目状态和轨道，以及问题识别和解决的及时切准确的信息。
The role of management is to enable teams through timely and accurate information on team initiatives, project status and trajectory, and issue identification and resolution.
但至今没有任何美国宇航员体验过缓慢的缺氧状态或者是能令宇宙飞船迷失于地球轨道外的极度冰冻。
But no US astronaut has ever suffered the slow oxygen starvation and freeze that would doom a spacecraft lost beyond the Earth's orbit.
轨道有一个状态。，We’ve，got，one，in，the，s，orbital。,如果我们遵循洪特规则，我们用向上和向下的箭头，对吧？
s If we apply the Hund rule, we've got up arrow, down arrow, right?
根据美国宇航局的要求，为了保护这些石英玻璃窗不被轨道碎片击碎，它们大部分时间应该处于关闭状态。
For now, NASA wants to keep them shuttered most of the time to protect the fused silica glass from orbital debris.
适合居住的地带指恒星周围的轨道空间，不会因离恒星太近而导致行星表面处于沸腾状态。
The habitable zone refers to the orbital space around the star that's not so close to the star that the planets surface would boil.
轨道几何状态检查是关系到铁路行车安全和旅客乘车舒适性的重要技术保障工作。
Inspecting the Geometry state of the track is an important work for the safety and comfort to the passengers.
电子模块取代原有的继电器，直接实现对道岔、信号机、减速器的控制和对轨道电路的状态识别。
Electronic modules, instead of traditional relays, perform directly the control of switches, signals and retarders and identification of the status of the track circuits.
最后，采用轨道根数作为状态变量，以航天器发动机产生的推力加速度作为控制变量建立空间拦截模型。
Finally, the orbital elements are introduced as state variables and the accelerations are produced by equation as control variables, the space interception model is established.
本文将一种有效的自适应滤波方案成功地应用于地球同步卫星轨道交会时的状态估计与参数估计之中。
An efficient adaptive filtering scheme is successfully used in the state and parameter estimation for the orbital rendezvous of earth synchronous satellites.
针对圆(近圆)轨道航天器相对运动的固定时间状态转移问题，提出了一种基于导航点的多脉冲优化轨迹生成策略。
An optimal trajectory generation strategy based on way-points is presented to solve the fixed-time state transition for spacecraft relative motion in a circular orbit.
在解析轨道理论基础上，给出了平均轨道要素偏差到瞬时轨道要素偏差的状态转移矩阵。
On the basis of analytical orbit theory, the state transition matrix from mean to transient orbit errors was put forward.
并以此为功能要求，提出了以概率理论为基础的轨道极限状态设计方法。
With these as functional requisitions, the limit-state design method for tracks is proposed on the basis of probability theory.
早期涡轮探伤证实，该轨道表现仍处于良好状态，只有很小程度的RCF，因此可以通过HSG解决问题。
Previous eddy current inspections had verified that the surface of the rail was still in a good condition with only very small levels of RCF - which could be removed by HSG.
我们将寻求最优控制和奇摄动非线性状态调节器问题的相应轨道。
We shall seek the optimal control and corresponding trajectories of the singularly perturbed nonlinear state regulator problem.
二是在运用收费形式时，未能将其纳入法制化和预算管理的正常轨道，以致收费出现过多过滥的无序化状态。
Second, when the form of collecting fees is being used, it is not kept within the bounds of legal system and budget control, and thus the disorderly condition of overcharging occurs.
该方法能有效控制铁磁谐振过电压从混沌状态转移到期望的周期轨道，实现系统状态在混沌和有序之间的转换。
The proposed method can effectively control the ferroresonance over voltage from the chaos to period orbit and implement the transformation of system status between chaotic and ordered situation.
城市轨道交通中钢轨的质量、工作状态对整个线路的质量以及行车安全有着直接的影响。
The quantity and working status of the rail have the far-reaching impact on the whole line quality and operation safety.
本文介绍了移频轨道电路调整状态及分流状态调整电阻的计算方法。
Method of calculating the adjusting resistance of frequency shift track circuit for normal state and shunting state is introduced.
对于轨道拦截问题，给出了一种基于速度增益制导和状态转移矩阵的精确初制导方法。
In this paper, the precise initial guidance law based on velocity gain guidance and the state transition matrix for orbit interception were proposed.
第二种控制方案可以驱动BZ - CSTR混沌动力学到达一系列规则的动力学状态，这些动力学状态可能并不是混沌轨道中内嵌的本征轨道。
The second control method can drive the BZ-CSTR chaotic dynamics to a new status of dynamics which may not be the original embedded intrinsic orbits of the chaos.
高速道岔是高速铁路轨道结构的关键，其结构与状态对列车运行安全和运行品质具有重大影响。
Highspeed turnout serves as a vital part of track structure for highspeed railway, and its structure and condition play an important role in train running safety and quality.
重点解决在没有轨道观测数据的情况下，如何利用再入飞行中的测量数据进行状态和参数估值。数据包括体轴角速率和过载，由固连于飞行体的速率陀螺和加速计给出。
The emphasis is put on estimating the states and parameters only on the basis of the re-entry on-board measurement data in the absence of trajectory observation data.
定期在线检测电气化铁道轨道电路参数，可确保信号设备工作在最佳状态，避免行车事故。
The electric parameters of rail circuit must be measured periodically to check if the signal system is in good condition and to avoid accident.
定期在线检测电气化铁道轨道电路参数，可确保信号设备工作在最佳状态，避免行车事故。
The electric parameters of rail circuit must be measured periodically to check if the signal system is in good condition and to avoid accident.
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