High-precision distributed pulse signal time difference of arrival detection system
A pulse signal and detection system technology, which is applied in the field of civil aviation, can solve the problems of difficult wiring and cable layout, and the distance between stations cannot be too large, so as to reduce the target positioning error and improve the overall performance.
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[0057] All features disclosed in this specification, or all disclosed steps in a method or process, may be combined in any way except mutually exclusive features and / or steps.
[0058] Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), unless expressly stated otherwise, may be replaced by other equivalent or alternative features serving a similar purpose. That is, unless expressly stated otherwise, each feature is but one example of a series of equivalent or similar features.
[0059] Reference Answer Pairing and Target Answer Pairing:
[0060] The target TDOA calculation module receives the data sent by each remote station, and preprocesses the data. The target symbol and TOA are extracted. For the target TDOA calculation module, the reference response is only a special target. Other processing flow and goals are the same.
[0061] Assume that the time difference TDOA of a certain target reaching two remote receivers ...
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