基于相位调制的宽带雷达波形优化方法  

Waveform Design for Broadband Radar Based on Phase Modulated Signal

作　　者：纠博[1] 刘宏伟[1] 李丽亚[1] 吴顺君[1] 

机构地区：[1]西安电子科技大学雷达信号处理国家重点实验室,西安710071

出　　处：《电子与信息学报》2008年第9期2038-2041,共4页Journal of Electronics & Information Technology

摘　　要：该文针对目标检测中宽带雷达信号发射-接收联合优化的问题,提出基于相位调制的宽带雷达波形优化方法。该方法充分发挥了雷达发射机的发射能力,即对于固定的发射机来说,以发射更大的能量来得到更大的输出信干噪比。仿真结果表明在同样的条件下,与已有方法相比,该方法输出信干噪比有1.8dB左右的提高,尤其是在杂波功率谱密度相对较小的时候效果更为明显。A novel method based on phase modulated signal is proposed in this paper in order to solve the transmit-receiver waveform design issue. Using the characteristics of phased modulated signal, higher output Signal to Interference plus Noise Ratio （SINR） is obtained for a fixed transmitter by transmitting more energy. The experimental results prove the efficiency of the proposed method, compared with other algorithms, the output SINR is about 1.8 dB higher, extremely well when the spectral density of clutter is relatively small to the noise.

关 键 词：宽带雷达信号 信干燥比 波形优化 遗传算法 发射-接收联合优化 

分 类 号：TN957.51[电子电信—信号与信息处理]