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review_all
为便于交流提高学术水平，我们应该提供一些免费的好的源代码(In order to facilitate the exchange to raise academic standards, we should provide some good free source code)
- 2007-11-23 18:51:30下载
- 积分：1
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nrsfm_matlabCode
说明： 用MATLAB编写的meanshift分割图像的方法，供大家参考!(meanshift)
- 2010-04-02 11:53:57下载
- 积分：1
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CHENGXU
MUSIC算法[1] 是一种基于矩阵特征空间分解的方法。从几何角度讲，信号处理的观测空间可以分解为信号子空间和噪声子空间，显然这两个空间是正交的。信号子空间由阵列接收到的数据协方差矩阵中与信号对应的特征向量组成，噪声子空间则由协方差矩阵中所有最小特征值（噪声方差）对应的特征向量组成。MUSIC算法就是利用这两个互补空间之间的正交特性来估计空间信号的方位。噪声子空间的所有向量被用来构造谱，所有空间方位谱中的峰值位置对应信号的来波方位。MUSIC算法大大提高了测向分辨率，同时适应于任意形状的天线阵列，但是原型MUSIC算法要求来波信号是不相干的。(clear all
clc
List0= E:DOA估计仿真
List00=[ 2013-10-31_12_44_31 ]
for Li=1:1
List1=strcat(List0,List00(Li,:), Data )
In_p=[List1, ChanData ] 输入数据目录
Out_p=strcat([List1, DataDOA ]) 输出数据目录
NLen=10000 分段长度
M=16
r=15
c=299792458
List=List1(end-19:end-1) 选择目录
if(~exist(Out_p, ))
mkdir(Out_p)
end
)
- 2015-06-09 10:48:54下载
- 积分：1
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BPSK调制仿真
说明： bpsk调制仿真，可直接用
1、数字调制方法
数字调制就是把数字基带信号的频谱搬移到高频处，形成适合在信道中传输的带通信号。基本的数字调制方式有振幅键控（ASK）、频移键控（FSK）、绝对相移键控（PSK）、相对（差分）相移键控（DPSK）。在接收端可以采用想干解调或非相干解调还原数字基带信号。
数字信号的传输方式分为基带传输和带通传输。然而，实际中的大多数信道（如）无线信道具有丰富的低频分量。为了使数字信号在带通信道中传输，必须用数字基带信号对载波进行调制，以使信号与信道的特性相匹配。(1, digital modulation method
Digital modulation is the transfer of the spectrum of a digital baseband signal to a high frequency to form a bandpass signal suitable for transmission in the channel. The basic digital modulation methods are amplitude keying (ASK), frequency shift keying (FSK), absolute phase shift keying (PSK), and relative (differential) phase shift keying (DPSK). At the receiving end, the digital baseband signal can be restored by using dry demodulation or non-coherent demodulation.
Digital signal transmission methods are divided into baseband transmission and bandpass transmission. However, most channels in practice, such as wireless channels, have rich low frequency components. In order for a digital signal to be transmitted in a band channel, the carrier must be modulated with a digital baseband signal to match the signal to the characteristics of the channel.)
- 2019-05-28 10:46:01下载
- 积分：1
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格子玻尔兹曼圆柱绕流
说明： 利用matlab软件编写的格子玻尔兹曼方法模拟的圆柱绕流问题，并实现了可视化(The flow around the cylinder is simulated by lattice Boltzmann method compiled by MATLAB software, and the visualization is realized)
- 2020-01-04 08:48:38下载
- 积分：1
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5.--PSK-Demodulation-(Part-1)
Phase-shift keying (PSK) is a modulation process whereby the input signal, a binary PCM waveform, shifts
the phase of the output waveform to one of a fixed number of states. The demodulation process can be divided into three major subsections, as shown by Figure 4. First, since
the incoming waveform is suppressed carrier in nature, coherent detection is required. The methods by
which a phase-coherent carrier is derived from the incoming signal are termed, carrier recovery, and will be
covered first.
- 2014-02-25 16:01:21下载
- 积分：1
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Fast--Kurtogram
将信号分为不同频带，计算峭度值，选择峭度值最大的频带解调分析(divide The signal into different frequency bands, calculate kurtosis value, the maximum kurtosis band demodulation)
- 2020-11-26 20:29:31下载
- 积分：1
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刷脸背后：人脸检测 人脸识别 人脸检索
人脸识别是当今热门的研发方向，在安防、金融、旅游等领域具有十分广泛的应用。本书全面、系统地介绍“刷脸”背后的技术，包括人脸检测、人脸识别、人脸检索相关的算法原理和实现技术。本书中讲解的算法具有高度的可操作性和实用性。通过学习本书，研究人员、工程师能够在几个月内，系统了解、掌握人脸检测、人脸识别、人脸检索相关的原理和技术。本书内容新颖、层次清晰，适合高校教师、研究人员、研究生、高年级本科生、人脸识别爱好者使用。(Face recognition is a hot research and development direction nowadays, and has a very wide range of applications in security, finance, tourism and other fields. This book comprehensively and systematically introduces the technology behind "brushing face", including the algorithm principle and implementation technology related to face detection, face recognition and face retrieval. The algorithm described in this book is highly operable and practical. By learning this book, researchers and engineers can systematically understand and master the principles and technologies related to face detection, face recognition and face retrieval in a few months. This book is novel in content and clear in hierarchy. It is suitable for college teachers, researchers, graduate students, senior undergraduates and face recognition enthusiasts.)
- 2020-06-22 22:20:01下载
- 积分：1
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down-conversion
基于软件无线电的数字接收机中的下变频结构的程序(Based on software radio frequency conversion program under the digital receiver)
- 2012-05-14 19:58:33下载
- 积分：1
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1.1.tar
matlab的遗传算法源代码
matlab的遗传算法源代码(matlab的遗传算法源代码matlab的遗传算法源代码)
- 2010-09-19 12:08:42下载
- 积分：1
