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Accurate dynamic characterization of sine-waves by means of the ADS1258EVM-PDK KIT

机译：通过ADS1258EVM-PDK套件准确地动态表征正弦波

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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：本文专注于通过ADS1258EVMPDK套件估计正弦波的动态参数。 动态参数是信号 - 噪声和失真（SINAD）比率，有效数量的比特数（ENOB），总谐波失真（THD）比和虚假的自由动态范围（SFDR）比率。 这些参数由频域和时域方法估计。 在前一种方法中，估计是由ADS1258EVM-PDK套件或插值离散傅立叶变换（IPDFT）算法的ADCPRO评估软件中提供的Multifft测试返回的估计值。 相反，在后一种方法中，通过多谐波正弦拟合（MHSF）算法估计参数。 IPDFT和MHSF算法应用于ADS1258EVM-PDK获取的数据，并在MATLAB中实现。 此外，通过两种方法实现了几种实验结果，然后互相比较。

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