搜索资源列表
fft
- 一个fft的简单实现仿真的例程，画出频谱，观察信号的频谱。-An fft simple simulation routine to draw the spectrum, observed spectrum of the signal.
stm32-spectral-analysis
- 基于stm32，模拟信号采样，滤波处理，全部原理图和源程序，实现对采集信号的频谱分析。-Based stm32 analog signal sampling, filtering all the schematics and source code to achieve the spectral analysis of the collected signal.
digital_baseband
- 这是一个基于system view的数字基带传输系统。构造了数字基带的系统模型，可以分析数字信源的频谱特性，还可以观察输出信号的眼图-This is the one based on the system. View digital baseband transmission system. Digital baseband system model is constructed to analyze the spectral characteristics of the digital sou
FFxiangweicha
- 基于傅里叶分析的信号延时测量，采用FFT方法，对同一频率的两个信号进行频谱分析，测得相位差-Delay measurements based on Fourier analysis of signals using the FFT method for spectral analysis of the two signals of the same frequency, the measured phase difference
Cycle_rectangular_pulse_spectrum
- 连续时间周期矩形脉冲信号的频谱分析、合成的MATLAB程序代码，占空比为1/5、T1=5s。 -Continuous-time periodic rectangular pulse signal spectral analysis, synthesis of MATLAB code, the duty cycle of 1/5, T1 = 5s.
DSSS1
- 直接序列扩频利用与信息无关的伪随机码，以调制方法将已调制信号的频谱宽度扩展得比原调制信号的带宽宽得多的过程。-Direct sequence spread spectrum has nothing to do with the information of pseudo-random code modulated signal spectrum width modulation method will be extended than the original modulation signal
32wpsdds
- 直接序列扩频就是直接用具有高码率的扩频码序列在发端去扩展信号的频谱。而在收端，用相同的扩频码序列去进行解扩还原成原始的信息。-Direct Sequence Spread Spectrum is the direct use of the spreading code sequence with a high rate in the originator to expand the spectrum of the signal. Receiving end, using the same spr
FFT
- 这个代码是用来对数字通信系统中FFT变换进行仿真，将时域信号进行FFT变换可得到频谱图形-This code is used to simulate the FFT algorithm in digital communication systems, time-domain signal available spectrum graphics FFT
frequency-spectrum-and-band_width
- 数字信号的频谱特征与带宽, 详细分析两者的关系，是不可多得学习数字信号的好资料-analysis of frequency spectrum and band_width about digital signal
shiyan3
- matlab上机实验用fft对信号作频谱分析-Signal using the fft spectrum analysis
liboqichengxi
- 巴特沃斯带通数字IIR滤波器对加了高斯随机噪声和正弦噪声的语音信号进行滤波，并绘制了两滤波器滤波后的语音信号时域图和频谱图。-Butterworth band-pass digital IIR filter added Gaussian random noise and sinusoidal noise of the speech signal is filtered, and draw a diagram of two filter the filtered speech signal tim
05947599
- 基于matlab对语音信号的分析，利用各种滤波器，频谱分析等功能。-Based on matlab analysis of speech signals, using various filters, spectral analysis and other functions.
Spectrum-Analyzer
- 这是一个简单的应用，建立了解的Windows音频波形API的基本知识，并得到快速傅立叶变换（FFT）基本掌握。应用程序的特点是：双缓冲图形，采样音频信号源，选择录音源，使用调音台，计算FFT频谱阵列，并绘制采样数据。-This is a simple application built to understand the basics of the Windows Audio WAVE API, and to get a basic grasp on Fast Fourier Transfor
The-FIR-filter-design
- （附带有文档，文档中有方案，有程序有结果，设计完后对一段语音进行处理）给定滤波器的规一化性能指标（参考指标,实际中依据每个同学所叠加噪声情况而定）通带截止频率wp=0.25*pi。 采用窗函数法设计低通、高通、带通型FIR滤波器，对叠加噪声前后的语音信号进行滤波处理，绘出滤波器的频域响应，绘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；在相同的性能指标下比较各方法的滤波效果，并从理论上进行分析-(With the document, document, program
Using-DFT-(-FFT-)
- 用DFT(FFT)对时域离散信号进行频谱分析-Time-domain discrete signal spectrum analysis using the DFT (FFT)
LFMCW
- 产生线性调频信号以及均匀脉冲截断的线性调频信号，并分别生成频谱-It generates the lfmcw signal and the lfmcw signal modulated by the uniform pulse sequence, and it also generates the frequency attribution of the two signals.
hibert
- 该程序绘制了仿真信号的FFT频谱和功率谱，并调用emd分析方法，绘制了emd分解结果，以及瞬时包络和瞬时频率图，还有Hilbert-Huang谱和Hilbert边际谱。-Program to draw the FFT spectrum of simulation signal and power spectrum call the emd analysis method, drawn emd decomposition, as well as instantaneous envelope and
xinhao
- 对数字信号的波形及其频谱分析，着重比较其在时域和频域上的差别-Digital signal waveform and its spectrum analysis, focused on comparative differences in the time domain and frequency domain
FFT2048
- 可以完成2048点的FFT运算Matlab实现，将时域信号转化为频谱-Can finish2048operations of FFT Matlab, the time domain signal into the frequency spectrum
Power-measurement
- 电量测量，信号采集，频谱分析，电压电流信号波形显示-Power measurement