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Under the wavelet transform, the image collected by the radar is measured and denoised. The image is cut by establishing a network layer recognition model, normalized, and the specific identification process is transformed and designed. In order to eliminate scattered and redundant and empty and useless data, corresponding conversion, integration and matching are performed, and the data is processed in the decision tree for error data mining in SQL Server 2005 to complete the radar detection target error measurement. Assuming the target type of the radar moving trajectory, the radar simulation verification analysis is performed in this way. From the experimental results, it can be known that the technical error measurement accuracy is less than the actual value, and the maximum error is 2.0 kilometers. Within the actual error allowable range, it is extended for the accurate detection of radar basis.