| 1. | A kind of optimal filter algorithm based on wavelet transform
基于最大值递归滤波器的暗点目标检测算法 |
| 2. | The result gave the optimal filter particle diameter , layer thickness and filtration velocity
根据实验结果，确定了最佳的过滤介质粒径、过滤层厚度和过滤速度。 |
| 3. | A partitioned optimal filtering algorithm for multi - channel systems with multiplicative noise among observation channels is proposed
摘要针对多通道观测环境下带乘性噪声系统的最优滤波问题，提出了1种状态最优滤波的分部算法。 |
| 4. | The nonlinear interpolation method is used to compensate the influence of pipe grade and pipe material property ; tool velocity effects are compensated by the fourier transformation and optimal filter theory
研究用非线性插值技术对管道厚度和材质的影响进行补偿，实现了用傅立叶变换和最优滤波方法来消除检测仪移动速度对漏磁信号的影响，并取得了实验验证。 |
| 5. | 2 based on the optimal filtering algorithm , the indirect algorithm of the optimal fixed interval smoothing is deduced with the correlation of system and observation noise at the same time . the operation quantity is reduced through the recursive expression of the indirect variable , so the algorithm is more practical
第二，利用滤波算法的结果，推导出了这种系统在加性噪声同时刻相关时状态最优固定域平滑估计的间接算法，通过引入中间变量的递推表达，减少了运算量，使算法更实用。 |
| 6. | Kalman filter is an optimal filter algorithm in the minimum - mean - square - error sense , meanwhile extended kalman filter is a sub - optimal filter algorithm , which derived from the linearization of nonlinear system using taylor expansion . while the non - linearity of the system is not extreme strong , ekf can achieve approximately optimal filter effect
Kf是最小均方意义下的最优滤波算法, ekf则是利用一阶泰勒展开将非线性系统线性化而得到的一种次优滤波算法,在非线性不是特别严重的情况下, ekf有着近似最优的滤波效果。 |
| 7. | Most of the lectures on nbi suppression assume that the spread spectrum signal and the background noise are white . this assumption cannot stand up in digitalized receiver because of the if oversampling and digital low pass filtering in digitalized receiver . the code - aided optimal filtering is studied extensively in the circumstance of oversampling and colored background noise
以往的扩频抗干扰文献多将扩频信号和背景热噪声假设为白噪声,由于在数字正交解扩解调中采用过采样和数字低通滤波,这一假设在数字化扩频接收机中并不成立。 |
| 8. | The output sinr limitations of mmse and constrained mmoe optimal filter are derived in the cirsumstance aforementioned . these limitations constitute the base of the code - aided optimal filtering and nbi estimate - subtract filtering . this dissertation summarize the recursive least squares ( rls ) algorithm , blind recursive least squares algorithm and the qr decomposing for these two algorithms
为自适应实现码辅助最优滤波,本文系统总结了递归最小二乘( rls )和盲递归最小二乘( brls )算法,以及两者基于正交三角分解( qrd )的并行计算结构。 |
| 9. | The sub - optimal filter , which uses a 6 1 vector ( 3 position components and 3 velocity components ) as well as the corresponding covariance matrix to evaluate the performance of the filter , linearizes the original nonlinear system model and nonlinear observation model at their respective reference sample points
这一滤波方法对高度非线性的动力学系统模型与观测模型做了线性化近似处理,并选择由弹道位置与速度分量组成的6维状态矢量及其相应的协方差阵来评估系统滤波的效果。 |
