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    • 4. 发明公开
    • Range/azimuth angle ship imaging for ordnance control
    • 用于军械控制的范围/方位角舰船成像
    • EP0097491A3
    • 1984-07-18
    • EP83303483
    • 1983-06-16
    • GRUMMAN AEROSPACE CORPORATION
    • Boles, Sol
    • G01S13/90G01S13/66
    • G01S13/9023G01S13/66
    • Distortions inherent in the formation of a range/doppler image by an airborne Synthetic Aperture Radar (SAR) of a ship under the influence of roll, pitch, and yaw motions characteristic of sea state conditions, are removed by the formation of a scaled range/azimuth angle image generated with the use of an interferometer antenna in conjunction with the SAR. A least squares linear regression solution to doppler processed interferometric azimuth angle data derived from ship radar reflections permits the determination of aircraft to ship relative rotational motion essential to the development of such an improved high resolution radar image, so that continuous automatic tracking of a cursor imbedded in a single designated resolution cell of the ship's displayed image essential to carrying out precision standoff command weapon guidance to that selected ship target cell, can be accomplished.
    • 由海面状况的滚动,俯仰和偏航运动影响的船的机载合成孔径雷达(SAR)形成范围/多普勒图像所固有的失真通过形成缩放范围/ 使用干涉仪天线与SAR一起生成的方位角图像。 由船舶雷达反射导出的经多普勒处理的干涉方位角数据的最小二乘线性回归解决方案允许确定飞行器发送对于这种改进的高分辨率雷达图像的发展而言必不可少的相对旋转运动,以便对光标嵌入的连续自动跟踪 在对船舶显示的图像的单个指定分辨单元中执行对所选船舶目标单元进行精确对峙指令武器引导至关重要。
    • 6. 发明公开
    • Extended sar imaging capability for ship classification
    • 在合成孔径雷达的船舶分类改进的显示。
    • EP0239022A2
    • 1987-09-30
    • EP87104104.2
    • 1987-03-20
    • GRUMMAN AEROSPACE CORPORATION
    • Boles, Sol
    • G01S13/90G01S7/06
    • G01S13/9023
    • Capability is provided using coherent synthetic aperture radar (SAR) techniques for substantially extending the useful range for producing 3 scaled high resolution orthogonal image projections on a CRT (29) of a translating ship under the influence of rotational motions arising from sea state conditions, for the purpose of ship classification and weapon delivery from an airborne platform at long stand-off ranges. This advantage is brought about by determining image coordinates on the basis of range, doppler, and doppler rate measurements of individual scatterers and from ship angular rotational velocities derived from a weighted multivariate regression solution to doppler processed interferometric azimuth and elevation angle measurements of all significant ship target scatterers. In this manner, the image degradation suffered by plotting angular measurements directly, whose location accuracies are known to deteriorate rapidly with increased range due to high signal-to-noise requirements, is circumvented.
    • 能力是使用相干合成孔径雷达(SAR)技术基本上扩展有用的范围为旋转运动从海况下所产生的影响下平移船的CRT(29)三个产缩放高分辨率正交图像投影提供, 船舶入级和从机载平台的武器交付的长期对峙范围的目的。 该优点是由确定性采矿图像带来的坐标范围内,多普勒的基础上,以及个别散射从加权多变量回归溶液衍生角旋转速度和从船舶多普勒速度测量多普勒处理的所有显著船舶的干涉方位角和仰角角度测量 目标散射体。 以这种方式,图像劣化通过绘制直接角度测量,其位置精度是已知的与迅速增加范围恶化由于高信号对噪声要求,被规避遭遇。