Abstract

In this paper, an improved correlation method is proposed to detect the phase difference between two signals in high frequency in a polarimetric radar system. The mean value of the correlation of two sampled signals is calculated based on Field Programmable Gate Array (FPGA) to give a more accurate result of the detection. The method is simulated in Simulink®, and the blocks are then converted into a Quartus II project and compiled to show the occupied resources. The basic principle of the method is described in detail and the results of the simulation provide some evidences that the method can be applied in the radar system for real time processing. Some notes are also given to improve the performance in practical applications.

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