The necessity of applying the CAT technology to modern radar receiver is analysed in this paper. It emphasizes on introducing ADC, DQP, some index of receiver channel output performance and test range, precision of CAT system.

• 分析了现代雷达接收机运用计算机辅助测试（CAT）技术的必要性，重点介绍了模数变换器（ADC）、数字正交器（DQP）以及接收通道输出性能的有关指标、CAT系统的测试范围及测试精度。