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。
Radar does this to remove ground clutter, information about hills or buildings that it doesn't need.
这一现象有个流行的行话叫“杂波”。
第二件你可以做的是对付杂波。
反光元素和最小的杂波突出了这种感觉。
Reflective elements and minimal clutter accentuate the feel.
本文海杂波的幅度分布特性采用K分布模型。
The model for describing amplitude characteristics of sea clutter is given by a K-distribution model.
利用计算机也可以模拟产生海杂波和干扰信号。
Sea mixed wave and disturb signal may be simulated by computer.
针对频率步进雷达，本文提出了一种新的杂波相消方法。
The paper proposes a novel method of clutter cancellation for stepped-frequency radar.
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.
在高密度条件下，发现了低混杂波对离子的大幅度加热。
In the case of high density, the plasma was heated greatly by the lower hybrid wave (LHW).
我不想多杂波，所以我选择了简单的色调，黑，蓝，灰，红。
I do not want much clutter so I chose simple hues of black, blue, grey, and red.
利用这些差异可以排除不需要的杂波，识别船舶目标的回波。
This paper analyzes the differences of the space paremeters between the ship and other objects, thereby the characteristics of the various return waves are obtained.
讨论了总体地形非均匀、局部均匀地形和孤立目标杂波之间的关系。
The relations among the clutter of heterogeneous terrain, local homogeneous terrain, and isolated objects were discussed.
论述了雷达视频模拟器的设计思想及用计算机模拟目标及杂波的方法。
Methods for designing a radar video signal simulator and simulating radar targets and clutter are discussed in this paper.
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.
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.
研究了用脉间步进频率雷达对杂波背景噪声下地面或海面动目标的探测。
This paper studies how to detect the moving targets on the land and sea surface in the background of clutters by using pulse-pulse step frequency radar.
在实际的雷达检测环境中，杂波、热噪声等产生的干扰功率通常是未知的。
In a realistic radar detection scenario, the disturbance power generated by thermal noise and clutter is unknown.
与已有的杂波谱中心估计方法相结合，可用于实现杂波的实时自适应抑制。
Combined with the clutter spectrum center estimation methods, a real time adaptive clutter rejection can be achieved.
研究结果证明该算法在均匀杂波环境和局部均匀杂波环境都有恒虚警的性质。
The proposed detection algorithm ensures the constant false alarm rate (CFAR) in homogeneous and partially-homogeneous clutter background.
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。
It can locate targets in all weather conditions and detect low flying aircraft in radar ground clutter.
但是，包含外部噪声、各种不同杂波和干扰的信号环境将大大限制探测性能和系统能力。
But the signal environment that includes external noise, different kinds of clutter and interference will significantly limit the detection performance and system capability.
分析电磁杂波干扰的产生、传输过程极其相关事例，可以得出防止杂波干扰的基本方法。
The fundamental method used to prevent electromagnetic noise is obtained through analyzing the birth and transmission of electromagnetic clutter interference and some related cases.
基于海杂波散射机理，深入分析了高分辨雷达的海杂波幅度分布特性、相关特性和谱特性。
Based on sea clutter reflectivity mechanism, this paper analyses the amplitude distribution characteristic, correlation characteristic and spectrum characteristic of sea clutter in depth.
谱估计方法：由于雷达杂波环境非常恶劣，起伏变化很大，需要先估计杂波谱再抑制杂波。
Spectral methods: Considering the intricate radar clutter ambience, Which fluctuates greatly, it's needed to adapt spectral estimation firstly, then suppress clutter spectrum.
因此要求雷达必须具备很强的抑制杂波的能力，能在较强的杂波背景中分辨出运动目标的回波。
So, it requests radar provided with the ability to restrain clutter wave for differentiating the echo of moving target.
论文的主要工作包括：首先，作为全文研究的理论基础，深入分析了SAR图像杂波的统计模型。
The major contents in this paper include: Firstly, as the theory foundation, the SAR clutter statistical model is studied in depth.
论文的主要工作包括：首先，作为全文研究的理论基础，深入分析了SAR图像杂波的统计模型。
The major contents in this paper include: Firstly, as the theory foundation, the SAR clutter statistical model is studied in depth.
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