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MATLABprograminfft.用Matlab产生正弦波,矩形波
- 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 ,1. Using Matlab generated sine wave, rectangular wave, as well as the white noise signal, and display their
A-Sparse-Learning-Package
- 美国莱斯大学压缩感知稀疏学习工具箱，能把信号进行稀疏表示，进而实现远低于奈奎斯特抽样速率的压缩感知-Rice University study Toolbox sparse compressed sensing, sparse representation of the signal can, thus achieving much lower than the Nyquist sampling rate of the compressed sensing
v_resample
- V_RESAMPLE is a Matlab function implementing nonuniform data sampling. It resamples the input data at the specified, continuously variable sampling rate, which may be locally higher or lower w.r.t. the original rate. Aliasing terms are taken care of
ddc_30m
- 中频70M，30M带宽LFM信号，采样率为102.4M，数字下变频后，还进行了三倍抽取，最后还得到I，Q两路信号 -IF 70M, 30M bandwidth LFM signal, the sampling rate of 102.4M, digital down conversion, the samples were carried out three times, the last also I, Q two-way signal
STL_doc.tar
- STL的官方文档，STL的最权威的解释！C++学习必备利器，可以极高的提高编程效率-The resample software package contains free sampling-rate conversion and filter design utilities written in C, including a stand-alone command-line sampling-rate conversion utility called resample. The packag
upsampex
- 上采样和内插，使得系统中同时出现的窄带信号和宽带信号能够采用适合本信号的采样率-On sampling and interpolation, making the system at the same time, the narrowband signals and broadband signals can be used for the signal sampling rate
ECGSYNC-physionet
- ECGSYN generates a synthesized ECG signal with user-settable mean heart rate, number of beats, sampling frequency, waveform morphology (P, Q, R, S, and T timing, amplitude,and duration), standard deviation of the RR interval, and LF/HF ratio (a measu
多抽样率频率抽样FIR 数字滤波器设计
- 多抽样率频率抽样FIR 数字滤波器设计- The multi- sampling rate frequency samples the FIR numeral filter to design
fensduan
- 采用分段设置采样速率的方式，用MATLAB仿真实现新型频率特新测试方法——调频脉冲扫描法和组合正弦波法。-The use of sub-sampling rate settings the way, using MATLAB simulation of the frequency of implementation of new special new test methods- FM-pulse scanning method and the combination of sine-wave
PskModulationBasedMatlab
- psk调制，给出了不同抽样速率和信噪比下的仿真结果-psk modulation, given the different sampling rate and SNR of the simulation results
Sample
- Change of sampling rate
aliasing_for_time_domain_signal.m
- This package contains scr ipt to calculate aliasing for given time domain signal. scr ipt to plot in time domain the function: x(t)=A0cos(2pif0t)+A1cos(2pif1t) where fs1=300 Hz and fs2=150 Hz (sampling rate) A0 and A1 are amplitude s signal (a
fdcorr
- Joint Frequency and Delay Correlation Performs an efficient circular cross correlation between two vectors over all possible frequency offsets (Dopplers) between -pi and pi where 2pi is the sampling rate.
decimation
- Change the sampling rate of the audio signal by interpolation and decimation. Observe the audible deterioration if present and quantify the change using the SNR
49636992ciccomp
- 级联积分－梳状(Cascaded Integrator–Comb，CIC)滤波器，是种高 效滤波器。它是一种线形相位FIR滤波器，由工作在高抽样率的级联理 想积分器和低抽样率的级联微分器组成,根据抗混叠和抗镜像的指标 确定所需的级联数目。 -Cascaded integrator- comb (Cascaded Integrator-Comb, CIC) filter, is the kind of high efficiency filter. It is a linear p
100423_8KB_mif
- Visual C++环境中编写的求13bits采样率的π/2正弦信号的幅值数组算法，用于DDS开发ROM存储波形mif文件。幅值精度为8bits-Visual C++ environment written request 13bits sampling rate of π/2 sine signal amplitude array algorithm for DDS development of ROM memory waveform mif file. Amplitude accuracy
decimation_test
- Decimation reduces the original sampling rate for a sequence to a lower rate, the opposite of interpolation. The decimation process filters the input data with a lowpass filter and then resamples the resulting smoothed signal at a lower rate.-Decimat
AD-matlab
- 实现2路相同采样频率的AD拼接使得采样率上升一倍，画出频谱-2-way to achieve the same splicing makes the AD sampling frequency doubled sampling rate, draw the spectrum
FourierTransform
- 介绍matlab程序中的傅里叶变换测试语音，测试语音的频谱，并改变采样率和采样点，在测试语音-Matlab program introduces test Fourier transform voice, test speech spectrum, and change the sampling rate and sampling points, the test speech
try-change-sampling-rate
- this file is used to change the sampling rate of the ecg signal