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基于FPGA的非线性调频信号脉冲压缩的实现 被引量:2

Implementation of Non-linear Frequency Modulation Signals Pulse Compression Based on FPGA
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摘要 非线性调频信号在信号设计时即考虑到脉冲压缩信号距离旁瓣的抑制,无需在硬件实现中添加加权网络抑制距离旁瓣。文中介绍了非线性调频信号的设计方法,通过Matlab仿真验证了不同设计方法的非线性调频信号的脉冲压缩性能。并在FPGA仿真环境下实现了带宽30 MHz,采样率为100 MHz,输入信号量化位数为16 bit,时长为10.24μs的线性和非线性调频信号的脉冲压缩。 Non-linear Frequency Modulation Signals in the signal design that takes into account distance sidelobe suppression of pulse compression signals,weighted networks without adding hardware implementations to suppression distance sidelobe. The design of non-linear frequency modulation signals is introduced,and the pulse compression signal performance of different design methods for non-linear frequency modulation signals is simulated. A bandwidth of 30 MHz at a sampling rate of 100 MHz is achieved with 16 bit input signal quantization,10. 24 μs length of the linear and nonlinear frequency modulation signal compression in the FGPA simulation environment.
出处 《电子科技》 2014年第9期106-108,共3页 Electronic Science and Technology
关键词 FPGA 非线性调频信号 脉冲压缩 FPGA non-linear frequency modulation signals pulse compression
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