The correlation function is defined by all the historical measurements with fading memory weight .
提出了基于衰减记忆的地形辅助导航算法,算法使用了一个新的相关算子,根据量测值存在的历史时间长短,对量测值赋以不同的权值,用一个递归表达式递归地计算相关值。
According to the irrational hypothesis problem that the fading memory factor is constant, exponential weighting factor is discussed in this paper.
根据衰减记忆因子为一个常数的不尽合理性的假设,深入研究了指数加权衰减记忆滤波因子,根据滤波收敛条件和滤波模型准确时的新息(残差)特点,提出了具有自适应性、抑制滤波发散的指数加权衰减记忆滤波算法,并通过仿真试验验证了自适应抑制滤波发散的有效性。
It is proved in the paper that the uniformly ultimate boundedness of solutionsimplies the existence of periodic solutions to functional differential equations with infinite delayin admissible phase space with fading memory.
本文证明了在具有衰减记忆的允许相空间中，无限时滞泛函微分方程的解的一致最终有界性蕴含了周期解的存在性。
By importing fading factor in the process of confirming parameters,the fading memory method can fade the influence of former historical data and trace the characteristic variance of random se- ries.
衰减记忆法在率定参数过程中,引入衰减因子逐渐削弱前期历史数据的影响,能使模型参数能更好地跟踪随机序列过程特性的变化。
In Kalman filtering the Doppler frequency is added as a new measurement and the attenuated memory filtering is employed,also,the corresponding algorithm is given.
提出了在卡尔曼滤波算法中增加多普勒频率作为观测量,同时选用衰减记忆法滤波,并给出了相应的算法。