Both types have their own advantages: frequency domain methods have strong robustness, while spatial domain methods have higher accuracy.

这两种方法各有特点：频率域法的鲁棒性强，而空间域方法相对精确度更高。

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Due to the difference of the applied domain, the software platform and the methods by which the spatial was collected, data format transformation is barely avoided.

应用领域的不同、系统开发软件平台的不同以及数据源采集方式的不同，往往需要将数据进行格式转换以满足特定的需要。

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Compared with existing spatial domain optimization methods, the new spatial spectrum optimization method can effectively improve the practical performance of DOE and save computing time.

与已有空间域优化方法的对比表明，在元件实用效果方面，空间频域优化设计方法优于空域方法。

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