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Radar map comparison guidance system

阅读:530发布:2022-03-01

专利汇可以提供Radar map comparison guidance system专利检索,专利查询,专利分析的服务。并且A map matching vehicle guidance system wherein a launching vehicle having variable resolution, synthetic aperture mapping radar makes a series of maps of graduated resolution all from a substantial distance from the target, deposits the maps in the launched or guided vehicle which carries conventional, nonprocessing mapping radar, and wherein the guided vehicle carries map comparing means for sequentially comparing the graduated resolution maps with instantaneous maps from its own radar to provide error signals to correct an otherwise inertial guidance system in directing the guided vehicle to its target.,下面是Radar map comparison guidance system专利的具体信息内容。

1. A radar map comparing missile guidance system for guiding the travel of a missile having control elements from a launching aircraft to a target, said system comprising: a variable resolution first radar mounted in said launching aircraft and capable of providing high resolution target data from a predetermined launching distance; a second radar mounted in said missile and capable of providing high resolution target data only from positions relatIvely close to said target, and data of lesser resolution from positions more distant from said target; storage means carried in said missile and separably connected to said first radar, said storage means being operative to store, prior to the time of launch, a plurality of reference maps from data provided by said first radar, each reference map having a resolution comparable to the resolution provided by said second radar at a different predetermined distance from said target; display means for presenting instantaneous radar maps from data provided by said second radar; gate means connecting said second radar to said display means; timing signal generator means connected to said gate means to provide periodic enabling signals thereto whereby an instantaneous map is presented at said display means for each of a plurality of predetermined positions of said missile during its travel toward said target; comparison means disposed between said storage means and said display means for comparing each of said instantaneous maps with one of said reference maps of comparable resolution and providing comparison signals indicative of direction and degree of non-registration of the compared maps; comparison amplifier means for converting said comparison signals to course correction signals; and guidance means responsive to said course correction signals to condition said control elements to direct said missile toward said target.
2. A radar map comparing missile guidance system as defined in claim 1, and wherein: said storage means comprises a plurality of scan converters, one for storing each of said reference maps.
3. A radar map comparing missile guidance system as defined in claim 2, and wherein: said display means comprises a plurality of display tubes, equal in number to said scan converters.
4. A radar map comparing missile guidance system as defined in claim 3, and wherein: said comparison means comprises a plurality of image comparators, each comparator being disposed between one of said converters and one of said display tubes.
5. A radar map comparing missile guidance system as defined in claim 4, and wherein: said gate means comprises a plurality of gates, one for each of said display tubes, said gates being individually responsive to predetermined timing signals from said timing signal generator.
6. A radar map comparing missile guidance system as defined in claim 5, and wherein: said guidance means comprises inertial guidance means operative to inertially maintain a course and is responsive to said correction signals to periodically update said course.
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