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。
基于230个网页-相关网页
瞬时视场是平视显示器的重要技术指标之一。
An instantaneous field of view is a importance technology guide line of the head - up display.
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。
The instantaneous field of view of head - up display emended 6 circle which radius have be know and center of circle is commanded.
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。
Considering that the Instantaneous Field of View (IFOV) of infrared seeker is small, a line-by-line directional spiral scan was proposed.
应用推荐