最后讨论了多路径效应随雷达天线仰角大小变化的趋势。
The trend of multipath effect along with increase of elevation angles is discussed.
研究轨道倾角、轨道高度、GPS天线仰角和轨道偏心率等因素对多普勒频率搜索范围的影响。
The orbital inclination, orbital altitude, elevation of GPS antenna and orbital eccentricity were researched as the influential factors to doppler range.
卫星电视信号接收天线定位的主要参数是方位角、仰角和极化角。
The main parameters of the satellite TV signal receiving antenna positioning are the azimuth, the elevation angle and polarization angle.
结论显示：偏角馈入抛物面天线较中心馈入抛物面天线在抑制远旁瓣方面有优势，在做低仰角扫描时不会产生远旁瓣回波；
It is concluded that an offset feed parabolic antenna has the advantage in side lobe suppression over central feed parabolic antenna.
所介绍的方位角和仰角的定位方法使用简单、有效，适用于多种结构的卫星接收天线。
This article introduced a simple method to solve this problem which is suit to different forms satellite receiver antenna.
当雷达在低仰角跟踪时，降低多径误差的阵列天线波束的形成技术，可消除或降低低仰角跟踪目标时的测量误差。
During radar tracking target in low elevation, the measuring error of tracked target was removed or reduced with array antenna beam forming technique that can reduce the multi-path error.
最后计算机模拟结果比较了不同切换发起规则下切换发起概率与小区区群数和基站天线俯仰角间的关系。
The results presents the performance characteristic of handover initiation varies with cluster number and base-station antenna elevation angle for the three algorithms.
同时，通过采用可倾覆使用的绕线机构，解决了天线在不同仰角条件下换馈机构旋转时带来的电缆缠绕问题。
At the same time, the cable wrap problem caused by rotation of feed switching mechanism at different elevations is solved by using tilting cable wrap mechanism.
该阵列将对宇宙信号进行长期的探测，整个阵列能否稳定工作，取决于阵元天线(单面对数周期天线作为阵列单元)长时间稳定指向特定仰角的能力。
The array will be used to detect cosmos message for long time. Whether the whole array can work stably is decided by cell antenna ability of pointing to the specific elevation for a long time stably.
首先给出了某单脉冲雷达低仰角多路径效应一个完整的仿真模型，包括：多路径传播几何模型、雷达天线模型、跟踪误差模型。
A complete simulation model for target tracking of a monopulse radar that works at low elevation angles with ground reflection multipath is given.
首先给出了某单脉冲雷达低仰角多路径效应一个完整的仿真模型，包括：多路径传播几何模型、雷达天线模型、跟踪误差模型。
A complete simulation model for target tracking of a monopulse radar that works at low elevation angles with ground reflection multipath is given.
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