根据轨道加速度测试数据和分析车辆体系的振动，得到了列车荷载的模拟数定表达式。
A frequency spectral analysis was performed and a simulated deterministic expression of train loading was obtained by analysing the vibration of the carriage system.
对加速度进行特征提取，可以使得波形的幅度特征更加明显，有利于进行轨道故障的检测。
The waveforms 'amplitude character will be more distinct through accelerations 'feature extraction, and this is propitious to rail deformation detection.
规模的制动力的轨道内跌幅，不过，由于横向加速度增加。
The magnitude of the braking force of the inside track decreases, however, as the lateral acceleration increases.
当列车从高刚度轨道到低刚度轨道时，钢轨垂直力、钢轨加速度、轨枕加速度是由大逐渐减小，没有突变。
When train runs from the rail of high rigidity to the rail of low rigidity, the rail vertical force, rail acceleration and tie acceleration gradually change from large to small.
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.
城市轨道车辆转向架测试系统主要对加速度、应变和电压进行测试。
The main test signals of urban track vehicle bogie measurement system are accelerations, strains and voltages.
返回舱飞行试验的配平气动特性可从舱内惯性平台的加速度和姿态记录数据以及轨道数据求出。
The flight trim aerodynamic characteristics of re-entry modules were calculated from on board-recorded inertial-platform accelerations and attitudes and from reconstructed trajectory data.
这个加速度又可根据卫星的速度和它的轨道半径来求得。
The acceleration may in turn be obtained from the velocity of the satellite and the radius of the orbit.
亦能用来测量机车、车辆、轨道和桥梁等工程结构物的振动加速度和位移。
It can also be used for measurement of vibration acceleration and displacement of locomotives, cars and on engineering structures, such as the track and the bridge.
引起加速度变化的原因主要是轨道曲线形状。
The be reason for acceleration change is curve of the track.
轨道不平顺是引起车体振动加速度、轮轨作用力和轮轨噪声增大的主要因素之一。
Track irregularity is one of the factors that make the increase of car body vibration, wheel-rail interaction force and wheel-rail noise.
随着轨道偏差的增大，橇车平均冲击加速度和平均冲击力近似呈线性增长；
The average impact acceleration and average impact stress of sled train increase approximately in a line with the increase of track deviation.
标准轨道法。 给出了再入走廊的计算方法，阐述了参考阻力加速度-速度剖面的规划和跟踪问题。
The nominal trajectory-based techniques include the methods to compute the reentry flight corridor, the reference trajectory and the track law of the reference trajectory.
通过模拟轨道，利用动力法对星载加速度计校准进行了研究。
The calibration of onboard accelerometer using dynamic method and the simulated orbit is studied in detail.
以低加速度从航天飞机的低地球轨道转移到对地静止轨道，需要有限多次点火。
Finite multiple burn method is used for the transfer from Space Shuttle low earth orbit to the geostationary orbit with low accelerations.
骑你的摩托车和克服障碍，使用触摸屏和手机加速度轨道。
Ride your motorbike and surmount the track obstacles using the touch screen and phone accelerometer.
并根据GPS卫星广播星历求取卫星任意历元的位置、速度、加速度以及加速度的变化率，仿真出GPS卫星运行轨道。
Secondly, the GPS satellite circulating orbit is simulated, according to the position, speed, acceleration and the rate action factor of acceleration, given by GPS satellite broadcast star calendar.
因此，加速度搜索对小于50分钟的轨道周期不敏感，而边频带搜索对大于3分钟的轨道周期也不敏感。
Thus, the acceleration search becomes significantly less sensitive for orbital periods shorter than 50 minutes. The sideband search loses sensitivity for orbital periods longer than 3 minutes.
因此，加速度搜索对小于50分钟的轨道周期不敏感，而边频带搜索对大于3分钟的轨道周期也不敏感。
Thus, the acceleration search becomes significantly less sensitive for orbital periods shorter than 50 minutes. The sideband search loses sensitivity for orbital periods longer than 3 minutes.
应用推荐