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主要讨论了用于软件无线电中的整数倍采样率转换技术。首先讨论了进行整数倍采样率转换的必要性。然后讨论了用于设计抽取器的关键参数,实现结构及其相应滤波器的设计。文章最后讨论了用于频谱成形和通带衰减补偿的FIR滤波器的必要性和设计方法。
The main focus is on integer-fold sample rate conversion techniques used in software radios. First of all, the necessity of integer multiples of sample rate conversion is discussed. The key parameters used to design the decimator are then discussed to design the structure and its corresponding filter. Finally, the article discusses the necessity and design method of FIR filter for spectrum shaping and passband attenuation compensation.