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自适应滤波器参考信号的Matlab产生
- 自回波抵消中,通常用matlab软件生成参考信号来作为自适应滤波器的输入信号,该程序包含了有用信号和干扰信号的叠加。
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- 对图像中干扰信号的滤除 H=fspecial( average ,n) 均值滤波器 -Image signal interference filter H=fspecial( average ,n) Mean Filter
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- 建立了信号从扩频、加干扰信号到解扩、求误码率的仿真模型系统。 经过小波镜像处理的与理想的状况的比较。-Established from the spread spectrum signal, plus interference signal to the de-spread, and the bit error rate system simulation model. After wavelet image processing and comparison of the ideal si
RFnoise
- 产生射频噪声干扰信号,并画出他的波形和功率谱-RF signal generated noise, and draw his waveform and power spectrum
smartNoise
- 灵巧噪声干扰,可针对脉冲压缩雷达和PD雷达,具体干扰样式有:三角波调频干扰信号 锯齿波调频干扰信号 马鞍型噪声干扰信号 噪声调相干扰信号 噪声调频干扰信号.-Smart noise interference may be directed to pulse compression radar and PD radar, specifically jamming style are: triangle-wave frequency modulation interference signal s
multipath_estimation
- 直扩系统中的多径干扰信号的估计消除技术,通过仿真标量多径对直达信号的鉴相特性的影响-DSSS system multipath interference estimate signal cancellation technology, through the simulation of scalar multi-path of the direct signal phase characteristics. .
Influence_of_interfere_in_SINR
- 天线接收信号时,突然出现一个干扰信号,并且干扰信号从0°开始,绕90°,观察SINR的变化规律-Antenna signal, suddenly appeared a jamming signal, and the interference signal from the 0 ° starting around 90 °, observed variation of SINR
filter
- 本文分析了语音数字信号的采集来源以及其预处理。通过实例,利用Matlab对语音信号进行时频变换与分析,同时构造一个固定频率的干扰信号,对两个信号进行合成,设计数字滤波器,实现对语音信号的F IR、IIR滤波处理,最后在时域和频域中对信号进行分析比较。-This paper analyzes the sources of voice digital signal acquisition and its pretreatment. By example, voice signals using Ma
信号与系统应用
- 信号与系统的应用,对同一个连续周期信号,选定不同采样间隔 s T 和信号截取长度 1 T ,获得离散 信号,使用DFT或FFT 进行频谱分析,画出频谱图,与理论计算的结果进行比 较,观察: (1)不同采样率 s T 对频率范围和混叠误差的影响; (2)不同采样长度 1 T (单周期采样和多周期采样)对频率分辨率的影响; (3)是否完整周期采样对泄漏误差的影响,多周期采样是否可以减小非完整周 期采样产生的泄漏误差。 以下信号中叠加了一个角频率为50 ? 的高频干扰信号,信号如下: 3 (
抗干扰算法
- GPS抗干扰算法,对于GPS干扰信号的抗干扰能力非常强,对于GPS抗干扰初学者非常有用(GPS anti-jamming algorithm, for GPS interference signal anti-interference ability is very strong, for GPS anti-jamming beginners very useful)
maichongzaosheng
- 经典MATLAB仿真例子,原始信号为带脉冲干扰信号,用EEMD分解,再进行傅里叶变换,能够作为学习EMD的经典例程。(This is a classic routine to learn matlab and EMD.We believe that you deserve to own it.)
干扰MAT
- matlab雷达抗干扰的仿真程序。可用于学习、了解雷达的信号处理方式。(Simulation program of MATLAB pulse compression. It can be used to learn and understand radar signal processing methods.)
窄带随机噪声对BPSK信号的干扰性能仿真
- 实现条幅信号、调频信号的抗噪声干扰性能仿真,得到波形仿真图(The simulation of the anti noise jamming performance of the band signal and FM signal is realized, and the waveform simulation diagram is obtained.)
2.信号滤波
- 利用labview软件模拟信号滤波器,能对高斯白噪声等干扰进行滤波处理(The LabVIEW software is used to simulate the signal filter, and the interference of Gauss white noise can be filtered.)
通信对抗实验
- 用matlab仿真多种常见调制方式,PCM,FSK等,并添加干扰信号,通过对比误码率率得出最佳干扰样式(Using MATLAB to simulate a variety of common modulation modes, PCM, FSK and so on, and add interference signals. By comparing the bit error rate, the best interference style is obtained.)
线性调频和巴克码组合信号的干扰抗干扰程序
- 对线性调频和巴克码组合信号进行噪声等干扰,对其脉压后看干扰效果(Noise interference of linear frequency modulation and Barker code combination signal and the effect of interference after pulse pressure)
干扰处理
- 阵列信号处理,干扰处理,自适应波束形成,采用MATLAB代码编辑而成(array signal processing)
jam_sp
- 噪声射频干扰信号的matlab仿真实现,其中包含成像的提取程序(SAR radio frequency jamming signal)
噪声干扰信号的Matlab仿真
- 利用matlab噪声干扰代码,请参考,压制干扰一种(Matlab noise interference code, please refer to)
心电信号检测与分类算法的研究
- (1)心电信号预处理 心电信号是一种低频且含有众多噪声干扰的信号。针对心电信号存在的 噪声干扰问题,本文采用了平稳小波变换结合双变量阈值的方法对其进行去 噪处理。通过对心电信号进行八层平稳小波变换,得到不同的小波系数,采 用双变量阈值函数表达式对其进行处理得到新的小波系数,最后进行逆平稳 小波变换实现小波重构,完成心电信号去噪。Matlab 仿真结果显示,本文算 法的准确率较高,信噪比达到 84.5934dB。 (2)心电信号波形识别 反映心电信号的特征部分往往是信号的突变点,因此需