与异步采样电路相比，同步采样电路具有周期短、失真小等优点。
Compared with asynchronous sampling mode, synchronous circuit has the advantages of short sampling period and small distortion.
周期性地或连续地检验通道的某些性能，如延迟失真、频率响应及噪声等，以便消除或减少引起错误的原因。
A periodic or continuous check of such channel characteristics as delay distortion, frequency response, and noise in an effort to reduce or eliminate the causes of errors.
通过引入线性增长的周期性训练序列和失真检测算法，实现了预失真器非迭代方法的参数捕获。
Non-iterative method for capturing parameters of the predistorter was realized by the means of linear increasing periodic training sequence and distortion estimation algorithm.
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