为了快速准确地设计并制作恒带宽窄带集总跳频滤波器，提出了一种随频率变化而 变化的负载结构。
For fast and accurate design and production of lumped constant bandwidth frequency-hopping(FH) narrowband filter, a load structure changing with frequency is introduced.
最后利用该方法设计并制作了一个二阶集总带通滤波器。
Finally, by using the method a 2-order lumped band-pass filter (BPF) is designed and developed.
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