1) sky-wave radar
天波雷达
1.
Ionospheric frequency modulation causes spreading of the surface clutter in Doppler domain which greatly limits the detection performance of HF sky-wave radars.
电离层频率调制导致地表面杂波的多谱勒展宽,极大地限制了高频天波雷达的目标探测性能。
2) Over-the-horizon radar
天波超视距雷达
1.
Method for maneuvering target detection in HF over-the-horizon radar;
天波超视距雷达机动目标检测方法
2.
It is high loss of rate in over-the-horizon radar on the condition of low detection probability.
天波超视距雷达(OTHR)具有低数据率、低检测概率和低量测精度特征对目标跟踪提出挑战。
3) sky wave over-the-horizon radar
天波超视距雷达
1.
A model for evaluating sky wave over-the-horizon radar combat efficiency;
天波超视距雷达作战效能评估模型
2.
According to the structure and task of sky wave over-the-horizon radar, the author used ADC evaluation model modeling with usability vector A~t, creditability matrix [D], power vector C and anti-jamming gene K_(AJ).
根据天波超视距雷达组成和任务,采用ADC效能评估模型,通过对系统的可用性向量AT、可信性矩阵[D]、能力向量C以及抗干扰效果因子KAJ的建模,推导出天波超视距雷达系统作战效能方程。
3.
According to the characteristics and basic tasks of sky wave over-the-horizon radar,based on the method of Analytic Hierarchy Process(AHP), the hierarchy structure of the operational effectiveness evaluation index of sky wave over-the-horizon radar is set up.
根据天波超视距雷达的工作特性和作战任务,运用层次分析法,给出了天波超视距雷达作战效能评估指标的层次结构,确定了各效能指标及相对权重的计算方法,得出了天波超视距雷达作战效能评估的数学模型,为该雷达的发展改进及作战使用提供辅助的决策依据。
4) sky-wave OTH radar
天波超视距雷达
1.
This paper presents an improved arithmetic for extracting and compensating the phase-path variations caused by the ionospheric disturbance in a HF sky-wave OTH radar with FMCW waveform.
针对采用调频连续波(FMCW)体制的天波超视距雷达的应用场合,提出了一种电离层扰动(慢相径变化)补偿改进算法。
5) sky wave over the horizon radar
天波超视距雷达
1.
The sky wave over the horizon radar (OTHR) is a new mechanism in which the ionosphere is used as a mirror to reflect the radar high frequency signal to detect the target.
天波超视距雷达 (OTHR)是一种利用电离层对高频信号的反射作用自上而下进行目标探测的雷达体制。
6) HF skywave radar
高频天波雷达
1.
An improved spatial spectra reconstruction algorithm in HF skywave radar;
改进的高频天波雷达空间谱重构算法
补充资料：天波
通常指射向空中经电离层反射或散射而返回地面的无线电波。由于电离层经常变化，天波传播情况不很稳定，但传播距离可以很远。天波传播是目前短波无线电通信和广播所采用的主要传播方式。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条