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滤波器在线设计有不明白的地方

我要设计一个带通滤波器0.1hz-10hz,用的是TI的在线滤波器,我的疑问:不管怎么设定滤波器参数,在选择巴特沃斯滤波器设计出来的滤波器参数都是系统默认参数,具体描述都在图片里。