然而，这种雷达的回波经常受到干扰而产生杂波，使信号模糊不清。
However, the radar returns are often cluttered by interference, obscuring the signal.
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.
设计主要包括三部分：雷达信号的采集、杂波抑制处理以及信号的压缩。
Three parts are included in this design: radar signal acquisition, clutter suppression and signal compression.
这种方法理论依据较强，实现起来简单且杂波模拟效果非常理想，从而为雷达信号的实时处理和实时仿真提供了行之有效的手段。
The technique may be used for real-time signal processing and simulation in radar due to its multiplicate advantages such as strong theoretical basis, simplicity and excellent simulation effects.
雷达发射波形不仅决定了信号处理的方法，而且直接影响系统的分辨力、测量精度、以及抑制杂波能力等潜在性能。
The radar emitted waveforms not only decide the methods of signal processing, but also directly affect the system resolution, the measurement precision and the ability of clutter rejection.
这种方法理论依据较强，实现起来简单，且杂波模拟效果非常理想，从而为雷达信号的实时处理和实时仿真提供了一种有效的途径。
The technique may be used for ontime signal processing and simulating in radar due to its multiplicate advantages such as strong theoretical basis, simplicity and excellent simulation effects, etc.
本文介绍了脉冲压缩、旁瓣抑制、杂波处理、多脉冲积累以及恒虚警检测等雷达信号处理技术。
This paper introduces the pulse compression, side lobe cancellation, clutter suppression, pulse accumulation and CFAR of coherent Radar signal processing.
由于舰船雷达信号目标环境的复杂性，从强杂波中检测目标异常困难。
When the object environment of ship radar signal is complex, detecting object is very difficult.
雷达目标模拟器主要用于复现蕴含雷达目标信息和杂波信息的雷达回波信号。
The radar target simulator is mainly used for producing radar echo signal, which contains radar targets and clutter information.
杂波是雷达信号检测和处理的固有环境，严重影响了雷达低空目标探测与跟踪的性能。
Clutter is connatural condition of signal measuring and processing, which affect the radar's detectability and tracking ability of low-altitude target seriously.
雷达发射波形不仅决定了信号处理方法，而且直接影响系统的分辨力、测量精度以及抑制杂波能力等性能，因而它的设计和选择至关重要。
The radar waveform not only direct the signal processing, also affect the system resolution, measure precision, power of suppress clutter and so on. So its design and selection is very important.
强杂波背景中的雷达目标恒虚警检测是雷达信号处理的重要组成部分。
CFAR detection of radar targets in heavy clutter background is an important unit in radar signal processing.
强杂波背景中的雷达目标恒虚警检测是雷达信号处理的重要组成部分。
CFAR detection of radar targets in heavy clutter background is an important part in radar signal processing.
阐述了在雷达多目标仿真系统中杂波相干视频信号模型的建立过程和实时仿真系统的设计及实现。
This paper describes the process that establishes the coherent clutter video signal module and the design and realization of real-time simulation system in radar multi-target simulation system.
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 echo of short range radar detecting ground targets are analyzed in this paper, Models for targets, multipath effects and clutter are constructed.
由于海杂波信号复杂，包含有大量的尖峰，一直是影响雷达探测性能的主要因素之一。
Complex in signal structure, Abundance in Spike, it is the major factor degrading detection performance of radar.
本文研究了强杂波干扰背景下运用模糊集合理论解决高分辨雷达信号的检测问题。
The problem of detecting the signals of high-resolution radar (HRR) in high clutter environments is investigated in this paper, with the use of theory of fuzzy sets.
基于背景杂波的处理和目标信号的识别，讨论了非跟踪体制炮位侦察雷达目标的自动识别问题。
The key techniques of automatic target identification in non-tracking emplacement reconnaissance radar are static background clutter processing and identification of target signals.
讨论雷达信号处理中的自适应动目标显示技术，即雷达回波信号中的运动杂波抑制问题。
Adaptive MTI techniques used in radar signal processing, that is, moving clutter suppression to radar echo signal is discussed.
本设计主要包括雷达信号的采集和杂波抑制处理。
This design is included radar signal acquisition and clutter suppression.
针对高频地波雷达回波信号中的电离层杂波，提出了利用时频分析与特征值分解抑制杂波的方法。
To suppress ionospheric clutter in the echo signal of high frequency surface wave radar (HFSWR), a method to suppress clutter based on time-frequency analysis and eigenvalue decomposition is proposed.
既可用于实际操作训练，也可应用于雷达的系统构架、信号处理以及各种雷达杂波理论的研究。
So it can be used in not only real operation training, but also research in different fields, such as radar system frame, radar signal process, and radar clutter.
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 the actual collected radar echo signals, we analyze the ground clutter suppression performance of the adaptive Gaussian frequency filter.
雷达信号预处理系统主要负责对雷达回波信号的采集以及一系列的杂波处理。
Radar signal preprocessing system is mainly responsible for the radar echo signal acquisition and processing a series of clutter.
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。
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.
本文的主要工作包括：(1)雷达回波信号回波模型(着重对目标，杂波)进行了分析，并介绍了模拟器视频部分的实现方案。
Briefly, here are main topics of this thesis: (1) Radar signal model was analyzed (targets, clutter), and the simulation method was introduced.
从一个多通道自回归过程拟合杂波信号的概念出发，提出了用线性预测法实现机载相控阵雷达的时空二维自适应信号处理。
To cope with the time varying and Doppler broadened clutter in airborne phased array radars, it is required that the signal processing be adaptive and two dimensional (spatial and temporal).
抑制杂波一直为机载预警(AEW)雷达信号处理的关键技术。
It is the key to suppress ground clutter for airborne early warning (AEW) radars.
着重从目标回波、海杂波、噪声三个方面对雷达回波信号进行了分析和建模。
This paper realize the radar echo signal analysis and modeling from three aspects: contain the target echo, sea clutter, rain clutter and noise.
本文采用计算机模拟的方法，利用分布式杂波模型对雷达发射信号不稳定数字补偿技术进行了研究。
Computer simulation method is used to study the performance of digital compensation technique. Three compensation methods are compared using scattered clutter model.
应用推荐