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使用数字发生的阵列信号，可以快速方便地开展阵列信号处理系统的测试和验证。为此设计了一种基于现场可编程门阵列(FPGA)的阵列信号发生方法，通过小数延时和整数延时相结合的方式，实现点频和线性调频的阵列信号发生。

The test and verification of array signal processing system can be carried out quickly and easily by using digitally generated array signals.An array signal generation method based on field programmable gate array(FPGA) is designed.By combining fractional delay and integer delay, the array signal of point frequency and linear frequency modulation is generated.