High frequency surface wave radar is an important tool of the over horizon detection of sea and low-altitude targets.
高频地波雷达是对海面、低空目标进行超视距探测的重要手段。
After analysed recognition criteria, an horizon detection algorithm and transform formula for attitude Angle are attained.
文中给出了地平线判别准则及相应的算法和姿态角变换公式。
Wide beam width in horizon plane would be expected in antenna design for IR-UWB through-the-wall detection to cover most area of the room.
在脉冲超宽带穿墙检测与定位当中，要求天线在水平面内具有宽波束以达到对房屋内部区域的有效覆盖；
The target detection model, booting attack model and using effect model of weapon are (presented) based on process analysis of the over-the-horizon (OTH) attack of the anti-ship missile.
介绍了空战中超视距多目标攻击过程，分析了多目标攻击过程的工作时序，及火控雷达对空空导弹截获概率的影响。
The target detection model, booting attack model and using effect model of weapon are (presented) based on process analysis of the over-the-horizon (OTH) attack of the anti-ship missile.
通过对超视距空中机动目标的分析和合理的假设之后，提出了用空空导弹攻击超视距空中目标的基本模型。
It is high loss of rate in over-the-horizon radar on the condition of low detection probability.
高频地波超视距雷达在舰载条件下探测舰船目标面临着诸多挑战。
It is high loss of rate in over-the-horizon radar on the condition of low detection probability.
高频地波超视距雷达在舰载条件下探测舰船目标面临着诸多挑战。
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