Comparative analysis for various parametric attributes for an optimized DUC/DDC

机译：优化DUC / DDC各种参数属性的比较分析

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In present digital communication system, sample rate conversion plays a crucial role in every aspect. Multirate signal processing can be realized by using Digital up/down converters. In this paper, an optimized model for digital up/down converter is analysed on the basis of various parametric attributes such as different interpolation/decimation factors, cascading of filters, adding delay element and number of sections in the CIC filter (N). The input signal in the range of 300-4000 Hz is sampled at 100 kHz. Further, the sampled signal is passed on to CIC filters along with a CIC compensator. The signal is either upsampled or downsampled by a factor of 12. Then, the up/down sampled signal is modulated with a high frequency carrier signal of 600 kHz generated using a direct digital synthesizer. The obtained output signal is an up/down sampled signal. The output is analysed for different parametric aspects to achieve an improvised Digital up/down converter. These filters are designed and simulated using MATLAB Simulink 2014a.

机译：在目前的数字通信系统中，采样率转换在各方面起着至关重要的作用。通过使用数字上/下转换器可以实现多速率信号处理。在本文中，基于诸如不同的插值/抽取因子，筛选器的级联，在CIC滤波器（n）中的级联，级联的参数属性进行分析了用于数字上/下转换器的优化模型。 300-4000Hz范围内的输入信号在100kHz时采样。此外，采样信号与CIC补偿器一起传递给CIC滤波器。信号是ups采样的或下采样的12倍。然后，用使用直接数字合成器产生的高频载波信号调制上/下采样信号。所获得的输出信号是上/下采样信号。分析输出以实现不同的参数方面以实现简易数字上/下转换器。使用Matlab Simulink 2014a设计和模拟这些过滤器。

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《International Conference on Inventive Computing and Informatics》|2017年|549p|共4页
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Sherin A Thomas; K. Anusudha;
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中图分类 TP3-53;
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Interpolation; Digital filters; Synthesizers; Computational modeling; Mathematical model; Frequency conversion; Conferences;

机译：插值;数字过滤器;合成器;计算建模;数学模型;频率转换;会议;

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Comparative analysis for various parametric attributes for an optimized DUC/DDC

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