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- estimation error covariance 估计误差的协方差
- Meanwhile, the result is refined using frequency-domain correlation and covariance matrix of estimation error in minimum mean-squared error sense. 对滤波的结果,利用信道的频域相关函数和估计误差的协方差矩阵,在频域进行最小均方误差意义上的优化。
- estimation error of the covariance matrix 协方差矩阵估计误差
- Filter estimate, error covariance and probability of data association relative to the algorithm were deduced, and new gating techniques for target tracking in clutters were given. 推导了该算法中相关的滤波估计、滤波误差协方差和数据关联概率,并且提出了跟踪门的确定方法。
- The upper bound of minimum error covariance satisfying all the uncertainties is found and the optimal problem is solved in the framework of linear matrix inequality (LMI). 首先,根据噪声方差不确定模型,找到满足所有不确定性的最小方差上界,在线性矩阵不等式(LMI)框架下求解优化问题,得到近似到达代价的表达形式;
- Chapter 4 and chapter 5 discuss the impact of load estimation error on DAP protocol and the load estimation algorithm. 第四章和第五章分别就信道负载估计误差对动态接入概率协议性能的影响和信道负载估计算法的角度阐述。
- The problem becomes how to choose the bucket boundaries to minimize the estimation error for a given number of buckets. 于是,这个问题就转变成,我们要如何去决定最佳格子的边界而使得压缩的误差是最小。
- In this paper, effect of channel information estimation error on the performance of LDPC-OFDM system is analyzed . 为此,研究了信道估计误差对LDPC-OFDM系统性能的影响。
- Because of the computer word length, filter algorithm is prone to accelerate error.The error covariance will be out of symmetry, as a result, instability will appear in the value calculation. 摘要由于计算机有效字长的限制,滤波算法在计算机上实施时易于产生误差积累,误差协方差失去正定性或对称性,从而出现数值计算中的不稳定现象。
- And in the uplink, the performance of the multiuser detector is better, but the large channel estimation error will bring performance degradation. 而上行信道多用户检测器的性能也较好;但是多用户检测器会受较大的信道估计错误影响而性能降低.
- Time delay estimation error may decrease the linearization performance of adaptive predistortion for radio frequency (RF) power amplifier. 摘要延时估计偏差通常会严重影响射频(RF)功率放大器预失真技术的性能。
- To eliminate the speed estimation error,the machine parameters are adapted on-line,based on a mutual model reference adaptive system(MRAS). 为消除速度估计误差,电机参数通过一交互式模型参考自适应系统(MRAS)在线辨识。
- Following is an analytical expression to calculate the BER of M-QAM under Rayleigh channel when channel estimation error exists. 提出了计算瑞利信道下存在信道估计误差时M-QAM的误比特率的解析表达式。
- The biggest relative estimation error is 8.39% and the advance of the wetted areas and the infiltrability, as functions of time, fitted exponential expressions. 水流推进面积、土壤入渗性能与时间均具有较好的幂指数相关关系。
- Algorithm 2 has better performance than algorithm 1, GHK filter can make the steady estimation error very small.It can satisfy the request of accurate burst time control. 算法2相对于算法1具有良好的性能,通过GHK滤波使估计值稳态误差较小,可以满足精确炸点控制要求。
- However, OFDM is sensitive to synchronization error and channel estimation error and it has the weakness of the high Peak-to-Average Power Ratio (PAPR) of the transmitted signal. 但是,OFDM不仅对于同步误差和信道估计误差非常敏感,而且还伴随发射信号高峰平比(PAPR)的缺点。
- Simulation results show that the newly proposed BEM algorithm outperforms conventional EM estimation schemes both in terms of BER and mean square estimation error. 仿真试验结果表明:该算法和传统EM信道估计算法相比具有更低的误码率和更小的估计均方误差值。
- The iterative optimization procedure also involves reducing the orientation estimation error,revising the salient measure and thinning the tensor voting results. 实验结果表明:文中改进措施有效地解决了张量投票算法在提取主观轮廓中存在的问题。
- background error covariance matrix 背景场误差协方差矩阵
- Relative error covariance matrix 相对误差协方差矩阵