The detection of multiple unresolved targets is critical in radar technology. To precisely detect multiple unresolved targets is a prerequisite and the basis of all other processes. For monostatic radar, the detection method of multiple unresolved targets based on the complex indicated angle difference technique is first analyzed and then extended to multistatic radar. The detector of multiple unresolved targets is designed and simulation tests are presented under several scenarios. Moreover, the effect on detection performance of SNR, sensor number, and the geometrical configuration of targets and sensors are analyzed. The results show that with the same SNR, the multistatic radar detector performs better than the monostatic radar detector.%对密集多目标的探测是当前雷达技术领域所面临的前沿课题和紧迫任务，而准确判别密集多目标存在与否是进行其它处理的前提和基础。该文在分析基于复数指示角差异的单基地雷达密集多目标存在性检测方法的基础上，将其扩展到多基地雷达情况，设计了一个多基地雷达密集多目标存在性检测器，并在多个战情下进行仿真试验，分析了信噪比、传感器数量、目标和传感器部署等因素对检测性能的影响。仿真结果显示，在相同信噪比情况下，多基地雷达比单基地雷达具有更好的多目标存在性检测性能。
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