It can locate targets in all weather conditions and detect low flying aircraft in radar ground clutter.
它能在任何气候条件下发现目标，并能从雷达地面杂波中探测出低空飞行的飞机。
Radar does this to remove ground clutter, information about hills or buildings that it doesn't need.
雷达这样做是为了去除地面杂波，有关山丘或建筑物的信息，它不需要这些。
In the thesis, the video echo of the airborne PD radar was simulated. The simulated echoes include the signals of the target, the ground clutter and the noise.
本文研究的雷达视频回波信号模拟与仿真是针对机载下视脉冲多普勒雷达，包括目标信号、地杂波信号和噪声信号的模拟与仿真。
This paper presents a clutter modeling method using waveform synthesis theory in order to provide ground clutter simulation for analyzing airborne radar system.
根据机载雷达地杂波的形成原理及其特点，提出了一种基于波形综合的机载雷达地杂波建模方法。
The key to the settlement of the question of effective detection of ground and low air targets lies in adaptive of effective clutter suppression in airborne Radar.
因此，有效地抑制这种时间非平稳和空间非平均的杂波干扰是雷达系统有效完成地面目标和低空飞行目标检测必须解决的首要问题。
The echo of short range radar detecting ground targets are analyzed in this paper, Models for targets, multipath effects and clutter are constructed.
对近程地面目标监测雷达的回波进行分析，建立相应的目标信号模型、多路径效应回波模型和杂波模型。
The pulse Doppler(PD)radar technique in ground-based radar is mainly applied to detecting motive targets in strong clutter jamming circumstance.
地面雷达中的脉冲多普勒（PD）技术主要用于在强杂波背景下对动目标的检测。
This calibration method using the ground clutter as a standard will improve radar maintenance and application quality.
使用这种标定方法将大大改善天气雷达的维护和使用质量。
Using the actual collected radar echo signals, we analyze the ground clutter suppression performance of the adaptive Gaussian frequency filter.
针对实际采集的雷达回波信号，分析了自适应高斯频域滤波器的地物杂波抑制性能。
Using an actual collected radar signal, we change the orders of the regression filter from first-order to tenth-order and obtain the corresponding ground clutter suppression ratios.
在基于一组实际采集的雷达信号的基础上，给出了回归滤波器的地物杂波抑制比随着滤波器阶数的变化情况。
The Doppler spectral broadening due to nonstationary movement of target and radio-frequency clutter will decrease the veracity of target detection by high frequency ground wave (HFGW) radar.
海面低速目标的非均匀运动和射频瞬态干扰引起的多普勒谱展宽影响高频地波雷达检测目标的准确性。
Aimed at the clutter overlap of PD system applied to the ground-based low altitude radar, a designing method of a different PRF with respect to each interval of scanning time was proposed.
针对地面低空雷达应用PD体制的杂波重叠问题，提出了分时分重频的设计方法。
Aimed at the clutter overlap of PD system applied to the ground-based low altitude radar, a designing method of a different PRF with respect to each interval of scanning time was proposed.
针对地面低空雷达应用PD体制的杂波重叠问题，提出了分时分重频的设计方法。
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