搜索资源列表
m_W.rar
- 产生m_W序列，并计算其功率谱、自相关系数和互相关系数。,M_W generated sequences, and calculate its power spectrum, since the correlation coefficient and the number of mutual relations.
m_PN.rar
- 伪随机码或称PN码，是扩频通信中不可缺少的一种序列。扩频通信，简单的说来就是通过一组相关性很强的伪随机序列，使原有的信号按照伪随机序列的特性出现。从波形上看，原有信号完全淹没于随机的噪声中，达到隐藏信号和抗干扰的目的。接受方只要有相同的伪随机序列，就可以通过伪随机序列很强的相关性将信号还原出来。而m序列，是扩频系统中最长用的伪随机序列。下面的代码就是基于matlab的生成m序列的代码，通过改变初始多项式的值，就可以生成不同阶数的m序列。,Pseudo-random code or PN code
noiseshuaijian.zip
- 语音增强算法，该算法描述了经典谱减法的计算流程，结果用语谱图加以显示。,Speech enhancement algorithm, which describes the classical spectral subtraction in the calculation process, the results of the term spectrum to be displayed.
abdi-PCA4Wiley.zip
- ua University, in 2002 publi this document, including the Mont A program of curve fitting based Bayesian Filter. Bayesian (Bayesi a target tracking system MATLAB s cubic spline curve fitting This i book is widely used in engineerin this
Spectrogram.rar
- 为给定的wav文件绘制频谱图（频谱照片）。内附程序及报告书。,Wav files for a given Spectrogram diagram drawing (spectrum photo). Included procedures and report.
Thesis-On-Cognitive-Radio
- This thesis aims to clearly describe the cognitive radio and its components and operations. Moreover, it aims on describing the expected outcome from the most common techniques that are proposed for use in cognitive radios. In addition, it describes
FFT.rar
- 用FFT做谱分析的实验代码，附有详细的实验说明和源代码以及对实验现象的分析,FFT spectrum analysis done using the experimental code, with detailed experimental descr iptions and source code as well as the analysis of experimental phenomena
FIR.rar
- 本次课程设计是用麦克风采集一段语音信号并对该语音信号进行滤波去噪处理。课程设计平台为MATLAB7.1。设计步骤为：首先采集一段语音信号并观察其频谱，然后设计一个汉明窗FIR滤波器，最后对该信号进行滤波。信号在进行滤波处理后，能够听到滤波后的语音信号和滤波前相比明显的变得清晰，基本达到了设计目的。,The curriculum design is a section of a microphone speech signal acquisition and filtering of the sp
无线信道信号的混叠
- (1) 在某些无线信道中，多普勒频移会引起无线信道输出信号的混叠。请描述产生混叠的各种原因； (2) 无线信道中的多普勒谱有一种经典谱(classic spectrum)，请解释产生这种谱形状的机理； (3) 请用Simulink工具编写代码(S-Function方式)，产生一单径瑞利信道，其多普勒谱为经典谱，其中移动速率为120km/h。并请回答：证明自己用计算机产生的经典谱是正确的可能方法。 ,(1) in certain wireless channel, the Doppler f
HHTspe.rar
- HHT谱计算程序，不是rilling版本，用改进的Hilbert变换，效果好一些，供大家参考。,HHT spectrum of the calculation procedures, rilling is not a version of the Hilbert transform used to improve the results better for your reference.
railway.rar
- 自动生成美国6级轨道谱不平顺文件，可以用来作为铁道车辆的动力学仿真激励,Automatic generation of the United States six track irregularity spectrum of documents, can be used as a railway vehicle dynamics simulation incentive
power.rar
- 这是关于功率谱的Matlab仿真程序，其中有AR、MA、ARMA三种模型的源代码，相关函数的源代码、功率谱的源代码等等。,This is on the power spectrum of the Matlab simulation program
cyclic2_am.rar
- 基于matlab，针对调幅AM、调频FM和调相PM信号，分析在不同的噪声环境，包括高斯白噪声、色噪声、非高斯噪声及正弦干扰中，各种信号的二阶循环谱。可根据需要改变程序中信号或噪声环境，分析结果。,Based on matlab, AM for AM, FM FM and PM phase modulation signals, analysis of noise in different environments, including Gaussian white noise, colored
matlab
- 此程序包含了音乐信号的截取，信号减抽样，噪声频谱的观察以及滤波器的设计等-This program includes the music signal interception, signal by sampling the noise spectrum and the filter design observation
AWGN-Rayleigh-BPSK-DSSS.rar
- 程序仿真了关于扩频系统在两种信道下的误码率,Process simulation of the spread spectrum system in about two channel BER
welch_mtm.rar
- 使用MATLAB编程，示意随机信号功率谱估计算法中的welch算法和Thomson多窗估计法MTM在估计随机信号功率谱时，参数改变对频谱图的影响。,This program indicate random signal power spectrum estimation using Welch algorithm and Thomson MTM estimation algorithm.
cdma.rar
- 直接序列扩频的缩写（DS-SS ） 二相相移键控（BPSK） matlab源代码,An acronym for Direct Sequence Spread Spectrum (DS-SS) two-phase phase shift keying (BPSK) matlab source code
fk.rar
- 计算一个地震序列的F-K谱。也可以直接用了。比较有条理。,compute FK spectrum of a seismic gather
MVDR.rar
- 三个复正弦信号的信噪比分别为SNR1 =30dB， SNR2 =30dB和SNR3 = 27dB。假设信号样本数为1000，FIR 滤波器的抽头个数为4。基于奇异值分解的MVDR 方法进行信号频率估计的仿真实验，获得功率谱密度函数的估计。,A power spectrum estimation algorithm named mvdr is introduced in this program
matlab-5
- 1了解图像变换的意义和手段； 2熟悉离散傅里叶变换、离散余弦变换、离散小波变换的基本性质； 3熟练掌握图像变换的方法及应用； 4通过实验了解二维频谱的分布特点； 5通过本实验掌握利用MATLAB编程实现数字图像的变换。 -An understanding of the meaning and image transformation means 2 familiar with the discrete Fourier transform, discrete cosine t