CAJ | 학술논문

针对目标雷达截面积（radar cross-section，RCS）空间起伏，不易于常规雷达进行长时间积累检测的问题，结合正交频分复用（orthogonal frequency-division multiplexing，OFDM）波形与分布式多输入多输出（multi-ple input multiple-output，MIMO）雷达的特点，提出了一种基于分布式 OFDM-MIMO 雷达的非相参积累目标检测方法。该方法使获得的多路回波信号短时间内非相参并行处理，削弱了长时间积累、复杂的相位补偿以及 RCS快起伏对检测性能的影响，有效实现了多个目标的积累和检测。仿真结果证实了提出方法的有效性。
침대목표뢰체절면적（radar cross-section，RCS）공간기복，불역우상규뢰체진행장시간적루검측적문제，결합정교빈분복용（orthogonal frequency-division multiplexing，OFDM）파형여분포식다수입다수출（multi-ple input multiple-output，MIMO）뢰체적특점，제출료일충기우분포식 OFDM-MIMO 뢰체적비상삼적루목표검측방법。해방법사획득적다로회파신호단시간내비상삼병행처리，삭약료장시간적루、복잡적상위보상이급 RCS쾌기복대검측성능적영향，유효실현료다개목표적적루화검측。방진결과증실료제출방법적유효성。
It is difficult for the traditional radar to detect targets with radar cross-section (RCS)fluctuation via the long-time coherent integration.Combining the characteristics of multiple-input multiple-output (MIMO) radar and orthogonal frequency-division multiplexing (OFDM)waveform,an incoherent integration detection method is proposed using distributed OFDM-MIMO radar.The parallel incoherent processing of the multi-channel echo in a short time is exploited to weaken the effect caused by the long-time integration,the complex phase compensation and the fast RCS fluctuation.Then,the multi-target integration and detection are realized ef-fectively.Simulation results verify the superiority of the detection method using the distributed OFDM-MIMO radar.