The measurement of multi polarization target characteristics is a new subject in modern radar field.

多极化目标特性的测量是现代雷达研究中的一个新课题。

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To improve its capability and application fields, research on the novel SAR systems has been carried out in the radar field.

为提高SAR系统性能，扩展其应用水平，国际上开展了新型SAR技术研究。

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Archaeologists also may locate buried remains by using such technologies as ground radar, magnetic-field recording, and metal detectors.

考古学家们还可能利用地面雷达、磁场记录和金属探测器等技术来定位被掩埋的遗骸。

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Israel does field advanced radar systems.

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In the mid-'80s, he and his wife again appeared on the FBI's radar screen, when they approached the Albuquerque field office and volunteered to inform on visiting delegations from the People's Republic and on Chinese scientists in the U.S. The FBI dropped the Lees from its rolls in 1991.

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It uses a pair of radar arrays, each with a 120-degree field of view, from Lockheed's competitor and occasional partner, Northrop Grumman.

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