球载雷达采用下视探测工作模式时,其检测能力主要受地杂波制约。
Detection probability of ball-borne radars operating in down-looking mode is mostly restricted by ground clutter.
在对地杂波的干扰特征进行归纳后,综述了激光引信抗地杂波干扰技术。
Based on the interference characteristics of ground clutter, the anti-ground-clutter technique for laser fuze are summarized.
本文对飞行体在地杂波中检测运动目标的反射波时的基本原理,作了理论分析。
This paper presents the qualitative analyses of the theory of flying objects testing the echo of a motive object out of mixed ground waves.
在分析地杂波强度的基础上,提出了一种估算机载预警雷达天线副瓣要求的新方法。
A new way is proposed to evaluate the sidelobe requirement of an AEW radar based on analysing the clutter intensity.
分析了地杂波统计特性,研究了相关雷达杂波功率谱特性的AR模型及其模拟方法。
We analyse statistics properties of ground clutters and study AR model of correlated clutters power spectral density.
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。
This paper presents a clutter modeling method using waveform synthesis theory in order to provide ground clutter simulation for analyzing airborne radar system.
对地面雷达地杂波建模方法进行了深入研究,给出了地杂波功率谱模型,分析了地杂波幅度概念分布特性。
Land clutter's power spectral model is presented, and the characters of the probability distribution of land clutter's amplitude are also analyzed.
本文主要研究机载战场侦察雷达的地杂波抑制,由于采用了低脉冲重复频率和低副瓣天线,我们主要考虑主杂波的抑制。
This dissertation studies the ground clutter suppression of ABSR. Because low pulse repetition frequency (LPRF) and low side-lobe antennaare adopted, we focus on main-lobe clutter suppression.
该方法在分析杂波对消必要性的基础上,给出了进行地杂波对消、动目标检测、径向速度分量估计及定位的原理和实现方法。
The principle and realization of clutter cancellation, moving target detection, radial velocity estimation and relocation are presented based on the analysis of clutter cancellation necessity.
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。
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.
地海面杂波特性对主要采用下视工作方式的机载脉冲多普勒(PD)雷达具有十分重要的影响。
The characteristics of the ground and sea clutter have some important effects on the airborne PD radars with look down mode.
为了更有效地对脉冲压缩雷达进行干扰,提出了具有海杂波特性的干扰样式。
In order for jamming more effectively the PC radar, a jamming mode with the sea clutter characteristics was put forward.
通过RLS自适应滤波器,背景杂波分量被准确地预测并从输入信号中去除,从而只剩下目标信号与残留噪声。
The clutter is predicted exactly and subtracted from the input signal by RLS adaptive filter, leaving components of the target signal in the residual noise.
实验结果表明,小波变换能很好地增强目标,抑制背景杂波,从而提高目标检测概率,降低误检测。
The experiment results indicate that wavelet transform can enhance the target and suppress background clutter effectively, and improve the target detection probability and reduce the detection error.
提出了一种结合粒子滤波器和吉布斯采样器的多机动目标跟踪算法,可以很好地解决在杂波环境下的多机动目标跟踪问题。
So a new multitarget tracking algorithm is proposed, which combines the particle filter and the Gibbs sampler, and can track maneuvering multitarget in cluttered environment very.
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 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.
理论分析和仿真结果表明,该方法能有效地提高AEW雷达海杂波背景中的CFAR检测性能。
Theoretical analysis and simulation result show that the proposed method can enhance the CFAR detection performance for AEW radar in the sea clutter background effectively.
理论分析和实验表明,天然粗糙面杂波和分形模型相吻合,分形模型可有效地对天然粗糙面杂波进行建模。
Theoretical analysis and experimental results prove that the fractal model matches the clutter from a natural rough surface and models it effectively.
实验表明,该方法能有效地抑制杂波,并同时增强小目标的信号。
Experiments showed that the clutter could be suppressed and the signal of targets enhanced at the same time by the proposed detection scheme.
实验表明,该方法能够有效地抑制强杂波背景,在SCR>1时,能可靠检测目标。
The experimental results show that the algorithm can effectively suppress heavy clutter background and reliably detect dim infrared targets when SCR is larger than 1.
用该种方法生成的杂波基带调制数据已成功地用于某型雷达杂波模拟器。
Clutter base-band modulating data with this method is applied into a radar clutter simulator successfully.
通过界面程序的控制,既可以直接回放原数据文件,又可以加入实时产生的杂波序列,更好地模拟真实雷达回波数据。
In the interface we can choose clutter or not, that is, this will determine that this system replay the original data, or the data with clutter to really simulate radar echo.
研究结果可用于PD引信抗地海杂波干扰能力的预测和评估。
The study result may forecast and evaluate anti-jamming of fuze.
研究结果可用于PD引信抗地海杂波干扰能力的预测和评估。
The study result may forecast and evaluate anti-jamming of fuze.
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