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A burst carrier frequency measurement scheme combined with a timestamping counting method based on a field programmable gate array (FPGA) is proposed. With the multiplication and phase shift of count clock, multiple parallel counters are continuously counted, and the times of the rising edge of the unknown frequency fx are counted simultaneously. To obtain the frequency of fx, linear regression by...
A novel approach to detect an infrared small target in the compressive domain is presented. First, the original infrared image is projected on a sensing matrix to obtain the measurement vector. Then the target and the background are recovered simultaneously from the measurements based on low-rank and sparse matrix decomposition. Experimental results indicate that the proposed method not only works...
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