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    • 1. 发明授权
    • Imaging range finder and method
    • 成像测距仪和方法
    • US4916536A
    • 1990-04-10
    • US268337
    • 1988-11-07
    • James R. KerrMichael E. FosseyDavid M. AikensBruce L. CannonJohn J. McDonald
    • James R. KerrMichael E. FosseyDavid M. AikensBruce L. CannonJohn J. McDonald
    • G01S7/481G01S17/89
    • G01S7/4817G01S17/89G01S7/4811
    • The imaging range finder of the invention includes a radiation transmitter, a transmitting section and a receiving section. The transmitting section directs radiation across an angular field of view by a first rotating mirror having a plurality of facets. The receiving section includes a second rotating mirror also with a plurality of facets which collects any reflected radiation. An image is produced by measuring the intensity of the reflected radiation at numerous points in the field of view. Range is determined by radiation modulation. Range may be determined more precisely at shorter ranges by modulating the radiation to produce two subcarriers and using one subcarrier to supply short range information. The finder is stabilized to preserve imaging and range finding accuracy when it is exposed to vibration or pitch-angle disturbance. The invention also discloses a method of imaging and range finding over very wide angles and at standard picture frame frequencies.
    • 本发明的成像测距仪包括辐射发射器,发射部分和接收部分。 发射部分通过具有多个小平面的第一旋转反射镜引导横跨角度视场的辐射。 接收部分包括具有收集任何反射辐射的多个小面的第二旋转镜。 通过在视场中的多个点测量反射辐射的强度来产生图像。 范围由辐射调制决定。 通过调制辐射以产生两个子载波并且使用一个子载波来提供短距离信息,可以在较短范围内更准确地确定范围。 当它被暴露于振动或俯仰角扰动时,取景器被稳定以保持成像和测距精度。 本发明还公开了一种在非常宽的角度和标准图像帧频率下成像和测距的方法。