| 摘要 |
A method for estimating, from a platform, at least one parameter of an intruder. The method includes generating consecutive frames of image data at different times of the intruder utilizing at least one passive sensor; determining a direction from the platform to the intruder based on the generated consecutive frames of image data; estimating a time period remaining until a potential collision between the platform and the intruder, estimating an angular extent of the intruder, as viewed by the passive sensor, based on the image data; and estimating a first relative location vector to a minimum intruder associated with the intruder, and/or estimating a second relative location vector to a maximum intruder associated with the intruder. An arrangement for generating input data to a sense-and-avoid system on-board a platform. A computer programme and a computer programme product. A platform carrying the arrangement.
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