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首页> 外文会议>Proceedings of the 6th European Embedded Design in Education and Research Conference >Accurate dynamic characterization of sine-waves by means of the ADS1258EVM-PDK KIT
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Accurate dynamic characterization of sine-waves by means of the ADS1258EVM-PDK KIT

机译：利用ADS1258EVM-PDK KIT准确地表征正弦波

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摘要

This paper is focused on the estimation of the dynamic parameters of a sine-wave by means of the ADS1258EVMPDK kit. The dynamic parameters are the SIgnal-to-Noise And Distortion (SINAD) ratio, Effective Number Of Bits (ENOB), Total Harmonic Distortion (THD) ratio, and Spurious Free Dynamic Range (SFDR) ratio. These parameters are estimated by both frequency-domain and time-domain methods. In the former approach the estimates are those returned by the MultiFFT test available in the ADCPro evaluation software of the ADS1258EVM-PDK kit or Interpolated Discrete Fourier Transform (IpDFT) algorithm. Conversely, in the latter approach the parameters are estimated by the Multi-Harmonic Sine-Fitting (MHSF) algorithm. The IpDFT and MHSF algorithms are applied to the data acquired by the ADS1258EVM-PDK and are implemented in MATLAB. Moreover, several experimental results achieved by both approaches are carried out and then are compared each other.
机译：本文着重于利用ADS1258EVMPDK套件估算正弦波的动态参数。动态参数是信号噪声和失真（SINAD）比率，有效位数（ENOB），总谐波失真（THD）比率以及无杂散动态范围（SFDR）比率。这些参数通过频域和时域方法估计。在前一种方法中，估算值是由ADS1258EVM-PDK套件的ADCPro评估软件或插值离散傅里叶变换（IpDFT）算法中可用的MultiFFT测试返回的。相反，在后一种方法中，通过多谐波正弦拟合（MHSF）算法估算参数。 IpDFT和MHSF算法应用于ADS1258EVM-PDK采集的数据，并在MATLAB中实现。此外，进行了两种方法获得的几个实验结果，然后相互比较。

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