DDC
Digital down converter（数字下变频）
In digital signal processing, a digital down-converter (DDC) converts a digitized real signal centered at an intermediate frequency (IF) to a basebanded complex signal centered at zero frequency. In addition to downconversion, DDC’s typically decimate to a lower sampling rate, allowing follow-on signal processing by lower speed processors.
In digital signal processing, a digital down-converter (DDC) converts a digitized real signal centered at an intermediate frequency (IF) to a basebanded complex signal centered at zero frequency. In addition to downconversion, DDC’s typically decimate to a lower sampling rate, allowing follow-on signal processing by lower speed processors.
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