The direction of Radar Target is got by antenna beam scanning.

雷达测定目标的方向是利用天线波束的扫描来实现的。

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Since cannonball travels in the antenna beam of the radar, its echo signal contains Doppler information.

炮弹在雷达天线波束里飞行，回波信号包含多普勒信息。

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It also discusses the antenna beam control, the radar pulse control, and the clutter-lock on the raw data stage, etc.

同时也兼顾到了天线姿态，波束指向的控制； 雷达波门，脉冲重复频率控制；

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This required widening the antenna's beam to catch the probe in its uncertain orbit.

BBC: Signal picked up from Russia's stranded Mars probe

According to Technology Review, the company's so-called "rural connectivity platform" (or RCP) is able to beam WiFi signals from one antenna to another located more than 60 miles away, and at data rates up to 6.5 megabits per second, no less.

ENGADGET: Intel touts long-distance WiFi for rural areas

The Archer module consists of the UltraGig 6400 single chip transmitter with its intelligent beam-forming 60GHz RF transceiver, embedded antenna array, and WirelessHD 1.1 compliant network processor as well as all necessary external components on a single, flex- print cable module.

ENGADGET: Silicon Image UltraGig 6400 WirelessHD, hands-on (video)