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Study on the Antenna Beam Control of Spaceborne Broad-Sense Spotlight SAR 星载SAR广义聚束模式天线波束控制研究
The antenna is a open lattice of steelwork. 桅杆天线为钢结构。
The antenna received signals with no directivity. 那种天线可接受没有方向性的信号。
The reception is very poor. Let me adjust the antenna. 接收效果太差了。让我来调一下天线。
the antenna beam 波束
He said he would head the antenna with a ball. 他说他还要给天线安个圆头。
The results show that this DBF design can adjust the magnitude and phase of each channel,digitally forming antenna beam. 实验结果表明,该数字波束形成设计能实时调整各通道的幅度和相位,实现数字波束形成。
Combining genetic algorithm with LMS,a hybrid genetic algorithm(GA_LMS)for satellite adaptive nulling antenna beam space was proposed. 将遗传算法与LMS算法结合构成一种混合遗传算法,并将其用于卫星自适应调零天线的波束空间调零处理。
The bandwidth of the antenna is about 11% (VSWR<2). 此方法可使得带宽达到11%25(VSWR<2)。
Fix the antennas on the outdoor walls or windows. 将天线固定在室外的墙壁上或窗口上。
It can perform a flexible emissive and receiving antenna beam and have a good anti-jamming ability.This thesis is a previous research before engineering fulfillment. 本文设计了用可实现模拟多种不同工作体制、具有灵活可变的收发波束和较好抗干扰能力的雷达天线平台，为工程实现提供了理论支持。
The workman fixed the antenna to the roof of the house. 工人把天线固定在房顶上。
The workman fixed the antenna to the roof of the house . 工人把天线固定在房顶上。
The antenna diagram approximation model used in our investigations considers constant gain within the full beamwidth of the main beam. 在研究当中，天线图解的近似模型在主要波束的饱和波束宽度范围内，可认为其增益是固定的。
These waves struek the antenna of a receiving station. 这些波碰到了接收台天线。
Because the adjustment of antenna beam direction is in a very small range, so the effection on antenna sidelobe and beamwidth can be omitted, that is to say, it will not make any effection on other performances of the radar system. 由于对天线波束指向的调整在很小的范围内，故对天线的副瓣及波瓣宽度指标的影响可忽略，从而不会影响到雷达系统的基他性能。
She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
Unplug the antenna coaxial cable connector from the radio chassis. 从收音机底盘拔开天线同轴导线。
These waves struck the antenna of a receiving station. 这些波碰到了接收台天线。
Bachelor or above, Major in the antenna or RF field. 本科以上学历，天线或射频相关专业.

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