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A radar ECCM method is proposed to combat the repeat jamming. Benfitting from the full-rate orthogonal pulse block design of such method, all the received signals within a pulse block are employed in the match filtering operation for false target cancellation, which improves the SNR of real targets. And the Two-dimensional frequency domain motion compensation automatically removes the impact of target motion on canceling out multiple false targets with different and unknown motion parameters. The numerical examples demonstrate the effectiveness of the proposed method.