介绍了复频振动脱水筛的结构、原理及特点。

This article introduces structure principle and characteristic of the multifrequency vibration screen.

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复频筛是一种新型高效的筛分设备，具有电磁振动、高频率、设备处理能力大、筛分效率高等优点。

Frequency screen is a new high efficiency machine and has the advantages of electromagnetic vibration, high frequency, high capacity and high screening efficiency.

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本文提出了一种在加性复高斯白噪声中对单频复正弦信号频率的估计方法。

A method for estimating the frequency of a complex sinusoid in additive complex white Gaussian noise is proposed.

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