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基于非相干信号子空间(ISM)的宽带源DOA估计方法
首先分析了基于非相干信号子空间(ISM)的宽带源DOA估计方法,并将基于数
据阵共轭重构的修正MUSIC算法应用于ISM方法中,提高了分辨能力而且可以分
辨相干信源。接下来讨论了相干信号子空间(CSM)方法的宽带相干源DOA估计,
分析了聚焦矩阵及聚焦频率对DOA估计性能的影响,给出了最佳聚焦矩阵的选择
标准和最佳聚焦频率的选择方法。
针对色噪声环境下宽带信号的波达方向估计,研究了将传播算子思想应用于
TCT聚焦矩阵的相干信源DOA估计新方法。该方法基于传播算子思想,直接利用
阵列接收信号估计噪声相关矩阵,得到一种快速TCT聚焦矩阵。从而提高了色噪声
环境下宽带信号DOA估计的性能,传播算子的应用避免了TCT算法中复杂的特征
分解,降低了运算量。通过计算机仿真证明了新方法的有效性和可行性。
关键词: 宽带阵列信号 波达方向估计 色噪声 信号子空间
聚焦矩阵(DOA MUSIC)
- 2021-04-07 23:29:01下载
- 积分:1
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xiaobohanshu
对于小波去噪,采用的是小波函数,并在去噪同时进行语音的压缩。(for wavelet denoising, using the wavelet denoising and simultaneously voice compression.)
- 2007-05-24 18:38:27下载
- 积分:1
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Soft_hard-decision-of-hamming-code
代码实现了汉明码译码的软判决和硬判决误码率仿真图,并且通过对比理论曲线,验证了代码的正确性。(This code achieves the BER code curve of hamming code using soft decision and hard decision. Compared with the theoretical curve,I verify the correctness of the code.)
- 2020-10-27 17:39:58下载
- 积分:1
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1
小波神经网络,可以用于对日径流进行预测,有助于了解小波分析与神经网络结合。(Wavelet neural networks can be used to predict daily runoff, help to understand wavelet analysis and neural networks.)
- 2013-12-03 20:14:22下载
- 积分:1
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matlab代码仿真海浪模拟模型
说明: matlab代码仿真海浪模拟模型,matlab语言(Matlab code simulation ocean wave simulation model, MATLAB language)
- 2019-01-23 11:57:12下载
- 积分:1
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DSP_project
DTMF encoder/decoder using Goertzel algorithm and Biquad filtering
- 2010-11-10 20:20:01下载
- 积分:1
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sofm
A self-organizing map (SOM) or self-organizing feature map (SOFM) is a type of artificial neural network (ANN) that is trained using unsupervised learning to produce a low-dimensional (typically two-dimensional)
- 2013-11-08 16:42:04下载
- 积分:1
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MATLAB-Programming-for-Engineers
本文为Stephen J.Chapman《MATLAB 编程(第二版)》英文影印版的中文译本,这本
书对初学者很好的入门教材。(This article Stephen J.Chapman " MATLAB Programming (second edition)," The Chinese translation of the English version of a photocopy, this book is a good primer for beginners.)
- 2014-01-09 18:16:26下载
- 积分:1
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ChoppingAndInterleaving
说明: 切片转发是干扰,应用于雷达电子战的干扰对抗当中。可以直接移植到systemVue中的matlab模块当中使用。(Slice forwarding is a kind of jamming, which is used in jamming Countermeasures of radar electronic warfare. It can be directly transplanted to the MATLAB module in systemvue.)
- 2021-04-15 11:08:54下载
- 积分:1
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Wavelet-Analysis-and-Applications
介绍小波分析基础,二进小波变换,规范正交小波基的构造,小波变换与滤波器组,自适应小波变换,以及小波变换的应用等等(Wavelet Analysis and Applications)
- 2013-09-03 19:32:56下载
- 积分:1