最后，本文提出了高阶级联滤波器的纵向扩展设计思路。
Finally, the longitudinal expansion thought of high-order cascade filter design was presented.
模拟结果表明，这种新型滤波器不仅可以提高高数值孔径物镜的纵向分辨率，同时基本上不影响横向分辨率。
Numerical results show that this new kind of pupil filters can realize not only axial superresolution, but also not influence transverse resolution.
针对采用有限大小探测器的共焦显微系统，利用两区相位型滤波器提高系统的纵向分辨率。
For a confocal microscope with a finite-sized detector, the improvement in axial resolution by a phase-only filter with two zones was experimentally investigated.
其次，利用线性卡尔曼滤波器对其纵向运动姿态进行估计，依据LQG性能指标构造了最优控制规律。
Then the pose of longitudinal motion is estimated by linear Kalman filter. Finally, an optimal control rule is constructed by LQG performance index.
实验结果说明，在探测器为有限大小的情况下，利用该滤波器可以使共焦显微系统的纵向分辨率提高17.8%。
The experimental results show that the axial resolution of confocal microscope can be improved by 17.8 %, in the case of a finite-sized detector.
实验结果说明，在探测器为有限大小的情况下，利用该滤波器可以使共焦显微系统的纵向分辨率提高17.8%。
The experimental results show that the axial resolution of confocal microscope can be improved by 17.8 %, in the case of a finite-sized detector.
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