The incoherent imaging system in its isoplanatic region is a linear light intensity system with invariance in space.
非相干成象系统在等晕区内是空间不变性的光强线性系统。
The depth of field of standard optical incoherent imaging system can be extended by introducing a phase plate and the digital image restoration technique.
在普通光学成像系统中引入相位模板和数字图像复原技术，可以增大系统的景深。
For its excellent performance on extending the depth of field of the incoherent imaging system, wave-front coding (WFC) has been the research hotspot for many years.
波前编码成像由于可以大大扩展非相干成像系统的景深而不降低像质，成为近年来的研究热点。
Now most researches concentrate on the method: introducing a phase plate into the standard optical incoherent imaging system and employing the digital image restoration technique.
当前活跃 研究集中在普通光学成像系统中引入相位模板并结合数字图像复原技术来增大光学成像系统的景深。
These results demonstrate that the good symmetry of pupil distribution has a better imaging for the incoherent imaging optical system with a complex pupil.
因此，对于复杂光瞳非相干成像光学系统而言，好的光瞳分布对称性具有更好的空间成像特性。
These results demonstrate that the good symmetry of pupil distribution has a better imaging for the incoherent imaging optical system with a complex pupil.
因此，对于复杂光瞳非相干成像光学系统而言，好的光瞳分布对称性具有更好的空间成像特性。
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