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| This paper introduces the basic principle of the filter,expounds the structure of the spiral bandpass filter and the design method for the spiral bandpass filter based on the communication frequency,and proves this design method through testing. |
中文意思：
介绍了滤波器的基本原理,叙述了螺旋滤波器的结构以及基于通信频段的螺旋滤波器设计方法,并通过实验验证了该设计方法。 |
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