空间谱估计是阵列信号处理的一个重要分支，近年来在雷达、通信、声纳、地震、射线天文等科技领域取得了极为广泛的应用。

Spatial spectrum estimation is an important area in array signal processing, which is widely used in radar, communication, sonar, earthquake, chronometer and other aspects of science and technology.

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目前，这类先进材料已广泛应用于在空间、光学、电子及其它高科技领域。

This class of advanced materials is currently wide applied in aerospace, optics, electronics and other high technology fields.

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大型空间天线在包括通信、空间科学和地球观测等在内的人类各项科技事业中的应用越来越广泛和迫切。

In the area including communications, Earth observation, space science and technology, large space antennas were made use of more widespread.

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