The raising of software radio technology is the second revolution after digitization of the wireless communication technology. Digital down converter is an important front part of software radio, it operates after the A/D part and it is an important link to digitize the signals in software radio. It converts the digital intermediate frequency signal down
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The raising of software radio technology is the second revolution after digitization of the wireless communication technology. Digital down converter is an important front part of software radio, it operates after the A/D part and it is an important link to digitize the signals in software radio. It converts the digital intermediate frequency signal down
(Read More…)
Analog to Digital Converters play an important role in an ever-increasing digital world.∑-△ADC mainly Consist by the∑-△modulator and digital decimation filter,based on oversampling and noise shaping techniques,∑-△modulator pushes most of the noise energy to high frequencies out of the signal baseband,then the noise energy is filtered by the subsequent decimation filter,thereby gaining high SNR and
(Read More…)
The article objects on the design of Digital Down Converter(DDC) in software radio receiver which is applicated more and more extensive.The article introduces the background,the significance and the present situation of Digital Down Converter research.Digital Down Converter is the main part of the software radio system.It alleviates the pressure of the DSP processing speed through
(Read More…)
The article objects on the design of Digital Down Converter(DDC) in software radio receiver which is applicated more and more extensive.The article introduces the background,the significance and the present situation of Digital Down Converter research.Digital Down Converter is the main part of the software radio system.It alleviates the pressure of the DSP processing speed through
(Read More…)
Analog to Digital Converters play an important role in an ever-increasing digital world.∑-△ADC mainly Consist by the∑-△modulator and digital decimation filter,based on oversampling and noise shaping techniques,∑-△modulator pushes most of the noise energy to high frequencies out of the signal baseband,then the noise energy is filtered by the subsequent decimation filter,thereby gaining high SNR and
(Read More…)
The article objects on the design of Digital Down Converter(DDC) in software radio receiver which is applicated more and more extensive.The article introduces the background,the significance and the present situation of Digital Down Converter research.Digital Down Converter is the main part of the software radio system.It alleviates the pressure of the DSP processing speed through
(Read More…)
Analog to Digital Converters play an important role in an ever-increasing digital world.∑-△ADC mainly Consist by the∑-△modulator and digital decimation filter,based on oversampling and noise shaping techniques,∑-△modulator pushes most of the noise energy to high frequencies out of the signal baseband,then the noise energy is filtered by the subsequent decimation filter,thereby gaining high SNR and
(Read More…)
The article objects on the design of Digital Down Converter(DDC) in software radio receiver which is applicated more and more extensive.The article introduces the background,the significance and the present situation of Digital Down Converter research.Digital Down Converter is the main part of the software radio system.It alleviates the pressure of the DSP processing speed through
(Read More…)
Analog to Digital Converters play an important role in an ever-increasing digital world.∑-△ADC mainly Consist by the∑-△modulator and digital decimation filter,based on oversampling and noise shaping techniques,∑-△modulator pushes most of the noise energy to high frequencies out of the signal baseband,then the noise energy is filtered by the subsequent decimation filter,thereby gaining high SNR and
(Read More…)
