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为了进一步提高直接序列/跳频(DS/FH)扩频系统的抗干扰能力,基于小波包变换结合递归最小二乘算法设计
了一种变换域自适应干扰抑制算法,该算法采用小波包分解定位窄带干扰,递归最小二乘算法抑制窄带干扰。通过蒙特卡
罗仿真分析在增加抗干扰模块后,DS/FH系统工作在准静态时,在不同信噪比条件下抗窄带干扰性能。仿真结果表明:该
算法具有较强的自适应性以及抗窄带干扰能力,其性能优于传统的直接置零法,适用于多音干扰下的恶劣通信环境。-In order to further improve th
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阻塞矩阵多频信号主瓣干扰抑制-画自适应波束形成图f=6、7、8、9MHz,目标角度10,干扰11,20,-20强度分别为20db,40db,20db,20db--Blocking matrix multi-frequency signal main lobe interference suppression- painting adaptive beamforming Figure f = 6, 7, 8, 9 MHz, target angle, interference 11,20,-20
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基于matlab软件的窄带干扰抑制及信号去噪代码-Based on the matlab software narrowband interference suppression and signal denoising code
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该程序是一种最小二乘滤波算法的matlab实现程序,主要应用于非平稳信号的干扰抑制中-The program is a least squares filtering algorithm matlab implementation program, mainly used in non-stationary signal interference suppression in
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直流马达运转特性与电磁干扰抑制研究,主要分析了直流马达产生电磁干扰的原因模型,分析了抑制干扰的方法-Running characteristics of DC motors and electromagnetic interference suppression, the main reason analysis of a DC motor to produce electromagnetic interference model, the interference suppression
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传统的宽带信号中抑制正弦干扰的方法是采用陷波器(notch filter),为此需要精确知道干扰正弦的频率.然而当干扰正弦频率是缓慢变化时,且选频率特性要求十分尖锐时,则最好采用自适应噪声抵消的方法.下图是用一个二阶FIR的LMS自适应滤波器消除正弦干扰的一个方案。该代码实现了以下功能:
1) 借助MATLAB画出了滤波器的误差性能曲面和误差性能曲面的等值曲线;
2) 给出了最陡下降法以及LMS算法的计算公式;
3) 用MATLAB产生了方差为0.05, 均值为0白噪音S(n),并
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narrow-band interference suppression in order to avoid the narrow band communication systems has been caused by interference
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在自适应波束形成算法中,使用阻塞矩阵法抑制主瓣干扰-In adaptive beamforming algorithm, using blocking matrix interference suppression in the main lobe
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使用lvwm准则对强干扰信号进行零陷,从而实现对强干扰的抑制-Guidelines for the use of lvwm nulling strong interference signals, enabling strong interference suppression
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波束成形抑制干扰,SMI算法研究程序仿真,继续学习研究,希望大家相互学习!-Beamforming interference suppression, SMI algorithm simulation program, continued study and research, we hope to learn from each other!
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在压制式噪声调频干扰环境下,应用时频分析的方法(STFT)对线性调频信号进行时变滤波,对干扰进行了初步的抑制。-Under suppress noise FM interference environment, the application method (STFT) variable frequency analysis filtering chirp signal when a preliminary interference suppression.
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多用户MIMO系统中一种基于干扰抑制类的预编码方法——最大信漏噪比预编码(SLNR)-an interference suppression algorithm for multi-user MIMO system-SLNR precoding
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该程序的功能是MIMO系统中多用户通信时的干扰抑制,算法采用块对角化-Feature of the program is multi-user MIMO system communication interference suppression algorithm uses block diagonalization
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宽带信号中的窄带干扰抑制实际上是自适应信号分离的一种应用,借助自适应信号分离器可以方便的实现窄带干扰的对消-Wideband signal narrowband interference suppression is actually an application of adaptive signal separation, using adaptive signal splitter can easily achieve narrowband interference cancellation
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格型滤波器,抑制扩频通信中窄带干扰,此代码抑制一个单音干扰-Lattice filters, narrowband interference suppression in spread spectrum communications, the code to suppress a tone interference
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波束形成优化算法,可以很好地实现波束形成,抑制干扰-Beamforming optimization algorithm, can realize beamforming, interference suppression
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用matlab实现直接序列扩频通信系统抗窄带干扰仿真代码-use matlab complete Direct sequence spread spectrum communication system simulation code Narrowband Interference Suppression
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此码为信号处理方面,干扰的抑制等,利用波束,分集器等算法-The code for signal processing, interference suppression, the use of the beam, diversity, etc. Algorithm
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智能天线算法,阵列天线波束成形,增益对准有用信号方向,抑制干扰信号-Smart antenna matlab algorithm, linear array antenna beam forming, the alignment direction of the useful signal, interference suppression direction
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这是60GHz的中继选择模型,包括会议室、卧室等模型,能够提供波束赋形、干扰抑制的仿真平台的搭建。-This is 60GHz relay selection model, including meeting rooms, bedrooms and other models, to provide beamforming, interference suppression build simulation platform.
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