Sea-surface small target detection method based on front-back revenue reference particle filter
A technology of small target detection and particle filtering, applied in the field of signal processing, can solve the problems of difficult to meet the real-time processing of radar and large amount of calculation, and achieve the effect of improving detection performance and accurate estimation
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[0027] The present invention will be further described below in conjunction with accompanying drawing:
[0028] refer to figure 1 , the implementation steps of the present invention are as follows:
[0029] Step 1, obtain echo data.
[0030] The radar transmitter is used to transmit continuous pulse signals, and the pulse signals are irradiated on the surface of the object to generate echoes. The radar receiver receives the echo data X, and the echo data is a matrix of U×M dimensions. U represents the accumulated pulse number of the echo data. M represents the number of range units of the echo data.
[0031] Step 2, processing the echo data in blocks.
[0032] The echo data X is equally divided into A N×M dimensional echo data blocks along the pulse dimension, where N represents the pulse number of each echo data block, and the A echo data blocks are respectively expressed as: X 1 ,X 2 ...,X a ,...,X A , X a Indicates the a-th echo data block, where the values of a=1...
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