影像分辨率主要决定于瞬时视场(IFOV,instantaneous field of view)角和成像高度。瞬时视场角越小、飞机航高越低，地面分辨单元越小，分辨率就越高。
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angle of half field-of view 半视场角 instantaneous field of view 瞬时视场 ; 瞬时枧场 ; 瞬间视场 ; 瞬时视城 angular field of view 像场角 ; 实际视野 ; 视场角 ..
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angle of half field-of view 半视场角 instantaneous field of view 瞬时视场 ; 瞬时枧场 ; 瞬间视场 ; 瞬时视城 angular field of view 像场角 ; 实际视野 ; 视场角 ..
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...dical Electronics and Biological Engineering 国际医学电子学与生物工程学联合会 IFOV Instantaneous Field of View 瞬时视野 IFP Inside the Face Piece 面罩内 ..
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An instantaneous field of view is a importance technology guide line of the head - up display.
瞬时视场是平视显示器的重要技术指标之一。
The instantaneous field of view of head - up display emended 6 circle which radius have be know and center of circle is commanded.
平视显示器的瞬时视场由半径大小可知、圆心坐标可控的6圆交接而成。
Considering that the Instantaneous Field of View (IFOV) of infrared seeker is small, a line-by-line directional spiral scan was proposed.
针对红外导引头瞬时视场较小的缺点，提出了分行螺旋式定向扫描技术。
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