噪声系数，矢量信号分析等。

Noise figure, vector signal analysis and so on.

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利用矢量信号分析仪对调制器进行了测试。

The implemented wideband modulator is tested by the VSA(vector signal analyzer).

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根据阵列信号处理原理，对单个电磁矢量传感器分析，并进行DOA估计。

Single electromagnetic vector sensor array is analyzed and DOA estimation in terms of the principles of array signal processing.

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