无源雷达通过被动接收信号进行工作。它不发射任何电磁波，而是检测环境中已存在的信号。通过分析调频广播和数字电视等信号在物体上的反射情况，系统能够确定目标的位置与速度。
Блогер-онкобольная потеряла зрение и жизнь20:53
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There are plenty of questions about the roster situation in Houston entering the offseason, but we're putting our faith in coach Kelvin Sampson to again figure it out. Mercy Miller and Chase McCarty had increased roles as the season progressed, and Joseph Tugler could also be back. Top-50 recruits Arafan Diane and Ikenna Alozie also will push for early minutes. It would make sense if the Cougars went into the portal for a high-level playmaking guard, and former five-star recruit Chris Cenac Jr. could also opt to return to school.
《宅2》明星炫耀莫斯科郊区新居21:00