| 摘要 |
The present invention relates to ground-based electromechanical search and communications apparatus used in conjunction with airborne communications apparatus. The ground-based apparatus maintains contact with and determines the precise location of the airborne apparatus within a defined space. Additionally, the airborne apparatus may receive data from a satellite system as to its inertial coordinates within object space. The apparatus of the invention includes a ground-based electronically and/or mechanically controlled antenna, an integral transmitter and computer and an airborne transceiver with an integral antenna and computer. The airborne transceiver transmits to, and on occasion receives, discrete commands from the ground-based apparatus. The ground-based apparatus via transmissions received from the airborne apparatus, will be able to determine the precise location in object space of the airborne apparatus and extrapolate its future location. Additionally, the ground-based apparatus can issue commands to the airborne apparatus to alter its path of flight. The alterations of trajectory correction will be achieved via an onboard airborne trajectory correction module.
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