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引言在数字通信系统中,必须于发送器或接收器中对基带信号进行频带限制。尽管大量的基带信号整形和分析是采用数字信号处理(DSP)来完成,但是在信号链路上的许多地方都采用了模拟滤波。例如:模拟滤波器可抑制数模转换器(DAC)的镜像、
Introduction In digital communication systems, baseband signals must be band-limited in transmitters or receivers. Although a large amount of baseband signal shaping and analysis is done using digital signal processing (DSP), analog filtering is used in many places on the signal chain. For example: Analog filters suppress mirroring of digital-to-analog converters (DACs)