不要把沿圆周的切向加速度与向心加速度混淆。
Do not confuse ever the tangential acceleration, which is along the circumference, with centripetal acceleration.
但是别把这个切向加速度，它是沿着圆周的，和向心加速度混淆。
Do not confuse ever the tangential acceleration, which is along the circumference, with a centripetal acceleration.
该方法把切向加速度和法向加速度作为状态变量，给出了切向加速度和法向加速度为常值时解析计算状态转移的方法。
An analytical solution is presented to compute the state transfer function when both normal and tangential acceleration are constant. This model can give a better priori acceleration estimation.
由于本算法能够估计出目标的法向和切向加速度，进行适当的模型集设计后，可以实现对复杂、快速机动目标的全过程跟踪，具有可扩展性的应用前景。
Because this algorithm can estimate the normal and tangent acceleration, it may be used to implement the tracking for the complexly and highly maneuvering target after appropriate model-set design.
由于本算法能够估计出目标的法向和切向加速度，进行适当的模型集设计后，可以实现对复杂、快速机动目标的全过程跟踪，具有可扩展性的应用前景。
Because this algorithm can estimate the normal and tangent acceleration, it may be used to implement the tracking for the complexly and highly maneuvering target after appropriate model-set design.
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