本文分析了干扰对某CAT系统的影响，从电磁屏蔽、电源系统、传输线路和接地系统等进行了硬件抗干扰设计。
The paper analyzes interference of jam in the CAT system, and accomplishes anti-jamming hardware design based on design of electromagnetism shield, power supply, transmit lines and grounding system.
一是通过优化电路设计、配线分离，包括含接地线的线路板设计；
First, through the optimization of circuit design, matching line separation, ground line board design;
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