Grid algorithm is a preferable star field identification algorithm. But it need many stars in FOV (field of view). Thereby CCD star tracker must have large FOV or be sensitive to dim stars.
栅格算法是一种较优秀的星图识别算法，但它要求视场中有较多的恒星，从而要求星跟踪器有大的视场或高的星等灵敏度。
Optical systems with large FOV are usually complex in design and have large distortion due to such factors as eccentric, field of view, and focal length.
大视场光学系统由于非共轴、视场、焦距等因素的影响，光学设计比较复杂，光学系统的畸变比较大。
FOV: Allows you to customise the amplitude of your field of view.
视场：让您自选振幅你的视野。
Objective To evaluate the relationship between field of view (FOV) and quality of ct images.
目的探讨扫描野大小与CT图像质量之间关系。
Flying Simulation System of the 3rd Generation Airplane" adopts the space stereo visual system, which can provide depth sense, stereo sense, and large FOV(field of view)."
在“某型第三代飞机飞行仿真系统”中，采用了空间立体视景系统，使其视景既具有纵深感、立体感，又具有大视场。
Detection of the decoys in the field of view (FOV) of the imaging-infrared seeker (IIR) is important for IIR to track the true target aircraft.
在红外成像导引头视场中，及时检测出干扰弹是红外成像导引头实现抗干扰弹干扰的前提。
In order to reduce the inclination of the field of view (FOV) and improve the image quality, it is important to determine the grazing incident Angle and the position of stops.
为了减少视场倾斜，提高成像质量，必须确定掠入射角和确定光阑的位置。
In order to reduce the inclination of the field of view (FOV) and improve the image quality, it is important to determine the grazing incident Angle and the position of stops.
为了减少视场倾斜，提高成像质量，必须确定掠入射角和确定光阑的位置。
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