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TMS320F2808: IIR32滤波器使用办法

Part Number: TMS320F2808

文档中IIR滤波器输入使用Q32定标格式,输出则使用Q30定标格式,假设我输出是一个为500的int,那么我得到的输出应该右移多少位才能得到我原来的数