Kalman filter and limited memory filter are described, and a new filter called inertial filter is given, to estimate the velocity of the target.
叙述了卡尔曼滤波和有限记忆滤波算法，并给出对目标速度估计的惯性滤波算法。
The results show that the fading memory filter makes the position of target in echo images continuous by introducing the influence of old data on image update.
结果表明，渐消记忆滤波器通过引入旧数据对图像更新的影响，使得回波图像中目标位置的变化具有连续性。
As source and as resource, nature obsesses us, as do childhood and spontaneity, via the filter of memory.
作为资源和来源，自然总是纠缠着我们，经由记忆的过滤，就像童年和自发性所做的。
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