搜索资源列表
FFtandIfftTest
- Matlab编程实现FFT变换及频谱分析的程序代码（适合初学者加强理解）。（1)用Matlab产生正弦波,矩形波,以及白噪声信号，并显示各自时域波形图；(2)进行FFT变换，显示各自频谱图，其中采样率，频率、数据长度自选；(3)做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱；(4)用IFFT傅立叶反变换恢复信号，并显示恢复的正弦信号时域波形图。-Matlab codes for FFT Understanding which contains sine wave,rectangula
2-yuputu
- 程序给出了0~10发音的语谱图，其中采用分帧函数对信号进行分帧处理然后在用fft算法得到频谱信息，后用灰度图像表示-Program gives the pronunciation of words from 0 to 10 spectra, which employs the signal sub-frame function and then in the sub-frame processing spectral information obtained with the fft algor
KM_5_5
- 图论中KM算法的源程序，仿真了5个用户5个信道的频谱分配问题-KM algorithm in graph theory of the source, simulation 5 of 5 users of spectrum allocation channel
BasedonMATLABspeechsignalspectrumanalysisandfilter
- 录制一段个人自己的语音信号，并对录制的信号进行采样；画出采样后语音信号的时域波形和频谱图；给定滤波器的性能指标，采用窗函数法和双线性变换设计滤波器，并画出滤波器的频率响应；然后用自己设计的滤波器对采集的信号进行滤波，画出滤波后信号的时域波形和频谱，并对滤波前后的信号进行对比，分析信号的变化；回放语音信号-The individual' s own record a voice signal, and the recorded signal is sampled draw sampled
shanbian_ICA090903
- 用动态独立分量进行闪变检测，用于电能质量闪变检测仿真，构造和分解闪变信号频谱图-With dynamic independent component to flicker, flicker detection for power quality simulation, construction and decomposition of flicker spectrum
fftview
- 做信号处理的时候经常会用到FFT，而MATLAB自带的FFT只能变换出一列系数，想做成频谱图还要自己加一部分，自己写了一个小程序，输入原始信号和采样率，可以画出标准的幅值谱和功率谱。-Do signal processing is often used when the FFT, and FFT MATLAB own transformation from a coefficient of only wanted to make Canada part of the spectrum but a
READ_DATA
- 读文件数据，用于太阳设备数据处理，得到天线接收太阳的频谱图-Reading file data, data processing equipment for the sun to get the antenna to receive the sun' s spectrum
CSRZ-8DPSK
- 本程序主要是对CSRZ-8DPSK进行调制，并仿真出时域图、相位图、相位差图以及频谱图。-The program mainly for CSRZ-8DPSK modulation and time domain simulation diagram, phase diagram, phase diagram and the frequency spectrum.
random_position
- 关闭OFDM信号子载波，画出OFDM信号频谱图，查看旁瓣泄露情况-Close OFDM signal sub-carrier OFDM signal spectrum plot, view the situation sidelobe leakage
MATLAB-Deal-Sound-Signal.doc
- matlab处理音频信号显示音频信号的频谱图，然后滤波，并对滤波前后音频信号的频谱图进行对比，接着对原始音频信号的频谱去掉若干个点与远视音频信号的频谱比较，最后对音频信号的频谱及相位进行三维显示-audio signal processing matlab
Sound_image_acquisition_a_analysis
- 整个系统分为数据采集和数据分析两大部分，以友好的图形界面与用户进行交互沟通。 声音数据采集部分实现数据采集功能,根据用户选择的采样频率和预设的采样时间来从声卡获得用户需要的数据。并且将采集到的数据及其频谱图以图形方式很直观的呈现于用户面前。 图像采集分析部分，读入图像后，根据选择，对其进行Linear Conformal、Affine、Projective、Polynomial、Piecewise Linear、Sinusoidal、Barrel、Pin Cushion变换-The wh
ofdm
- 实现一个完整的OFDM系统，可以显示频谱图。-OFDM systems to achieve a complete, can be displayed spectrum.
ACF_and_CCF_of_Gold_Sequence
- gold码产生序列，matlab仿真程序，结果包括频谱图和序列图-gold code generation sequence, matlab simulation program, the results include the spectral diagrams and sequence diagrams
fftfenxi
- 本文通过matlab分析信号在不同采样频率和变换点数的FFT下的频谱图，研究采样频率和变换点数对信号FFT的影响。同时还讨论了信号在不同频带噪声背景下的采样频率和变换点数的选择。-In this paper, matlab sampling frequency of the signal at different points in the FFT and transform under the frequency spectrum, change the sampling frequency
OFDM_DETECTION
- OFDM检测的仿真，通过计算OFDM的归一化4阶累积量，实现OFDM信号的判决，内含升余弦滚降滤波或内插滤波的频谱图-OFDM simulation test, by calculating the normalized OFDM 4th order cumulant, to achieve decision OFDM signal, containing Raised Cosine filter or interpolation filter of the spectrum
matlab-
- 信号方面的一些程序集，如各种卷积，变换，频谱图等的程序，相信会对大家有所帮助-Some of the procedures set of signals, such as various convolution, transform, spectrum and other procedures, we believe it will help ~ ~
image-frequency-shift
- 对一幅图像的频谱进行频率位移，移到窗口中央，并显示出频率变换后的频谱图-The frequency spectrum of the image frequency shift, to move the central window, and shows the spectrum after the frequency conversion
yuyinchuli
- 基于matlab的语音处理程序,可实现经过各种滤波器后的频谱图,幅度图等.-Matlab-based voice processing procedures, can be realized through a variety of filters after the frequency spectrum, range maps.
ZhengNan4
- 理想 高斯 巴特沃斯 陷波 梯形 指数的高通低通滤波器以及频谱图的绘制。-Using C++ to complete images of conversion, processing and compression process, is to learn good reference digital image processing program!
YU-YINXINGHAO
- 本文是根据网上找的“信号的分析与处理综合实验”的内容，通过学习和MATLAB实践后的学习总结。实验内容为真实语音信号的采样重构，具体要求如下：录制一段自己的语音信号，并对录制的信号进行采样；画出采样前后语音信号的时域波形和频谱图；对降采样后的信号进行插值重构，滤波，恢复原信号。-failed to translate