最后，建立了箔条云团干扰回波的模型。
第二种方法是使用一种有序的多波段发生器，这样可以更容易的匹配回波信号，但同时也更易受到干扰。
A second approach is to use a wide range of sequential frequencies; this is easier to match but more prone to interference.
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.
医学超声多普勒系统的高通滤波器在消除血管壁搏动带来的回波干扰时，也滤除了低速血流信息。
In medical Doppler ultrasound systems, a high-pass filter is usually employed to remove wall clutter components which may also remove the information of the low velocity blood flow.
由于与雷达回波密切相关，所以经脉压处理后，干扰能量损失不大。
Owing to its close relation with radar echo signals, little jamming energy is lost.
脉冲压缩雷达对目标回波具有很高的压缩比，而对不匹配的干扰信号则压缩比很小。
Pluse compressed radar has a high pluse compression ratio for target signals, but low compression ratio for not matched jamming signals.
利用箔条回波和目标回波时域波形的差异，提出了一种基于灰色理论的箔条干扰识别方法。
This paper presents a recognition method of chaff jamming by difference of time domain waveforms between echoes of target and of the chaff.
无源雷达系统接收到的信号有四部分组成：直达波信号、静物回波信号、动目标回波信号以及干扰噪声。
The signal received by passive coherent radar contain four-part: direct signal, echos of still object, echos of moving object, and interference.
该方法极大地提高了在高强度直达波干扰下主动声呐提取目标回波的精度。
This method is greatly increased in the high-intensity direct wave interference under active sonar echo extraction accuracy.
有源雷达诱饵通过模拟真实目标的回波信号，对敌方雷达系统进行欺骗干扰。
Radar system is deceived by active radar decoy which simulate echoed signals of real targets.
该方法对提取目标回波信号、提升其信号强度、抑制杂波干扰和噪声有良好的效果。
This method is good for the echo signal is distilled and the intensity is advanced and the clutter and the yawp are restrained.
深弹引信在对目标进行探测的过程中会遇到来自邻近深弹回波信号的干扰，邻弹干扰是导致虚警概率增加的最主要因素。
In the process of target detection, depth bomb fuze will undergo the interference from echo signal of neighborhood bomb that is the primary factor which causes high false-alarm probability.
本文根据SAR成像原理和地面回波信号模型，提出了对SAR进行有源欺骗干扰的方法。
In this paper, a method of the active deception jamming to SAR is proposed depending on the principle of SAR and the model of ground echo.
介绍了模拟港口岸形、物标回波和其他助航物标回波的生成，雷达回波的干扰、遮挡和衰减，固定距标圈、电子方位线和活动距标圈的显隐与图像的有关裁剪算法等。
Also the details about the coast, target and other navigational subjects echo and the interference of echo and Ring, Ebl, Vrm of Radar and clipping algorithm etc.
同时对双向HFC网存在的主要问题：上行通道噪声漏斗效应、各种噪声干扰控制策略、回波反射等进行了说明。
Finally, points out the main problems exists in the HFC network: noise funneling in the re-turn path; control tactics of noise; reflection in the cable.
海杂波是海面反射的雷达回波，海杂波的存在严重干扰了雷达对海面目标的检测性能。
Sea clutter is the undesired radar echoes from sea surface. The existence of sea clutter contribute a serious disturbance to the target detection performance of radar.
因此您需要合适的测试设备与测试方法，来准确捕获雷达回波和杂散信号，进行雷达发射机及接收机指标测试，同时评估系统的抗干扰性及其他电路指标。
Suitable test system and method are need toaccurately capture and analyze the echo and clutter, even to test transmitterand receiver of Radar, and estimate the anti-jamming of Radar.
该文分析了常见的窄带干扰（NBI）的特性，并提出了一种基于回波数据特征子空间滤波的干扰抑制方法。
This paper analyzes the characteristics of the common Narrow Band Interference (NBI). A new approach for NBI suppression is proposed, which uses eigen-subspace based filtering on the echo data of SAR.
通过实时提取信号的幅度及形状的综合特征计算出信号的时延。该方法具有较强的抗干扰能力，算法快速、准确，适合于多波束声呐系统的回波信号实时分析处理。
The algorithm is fast and accurate with a strong anti-jamming capability, which can be used for echo signal analysis and processing in real-time multi-beam sonar systems.
当导引头雷达发射多个不同频率的脉冲信号时，在一定的检测处理时长内目标回波信号幅度服从瑞利分布，而诱饵干扰信号则是幅度固定的。
When the radar seeker transmits several different frequency pulses, the echo amplitude of the target follows the Rayleigh distribution and that of the decoy is assumed fixed.
当导引头雷达发射多个不同频率的脉冲信号时，在一定的检测处理时长内目标回波信号幅度服从瑞利分布，而诱饵干扰信号则是幅度固定的。
When the radar seeker transmits several different frequency pulses, the echo amplitude of the target follows the Rayleigh distribution and that of the decoy is assumed fixed.
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