搜索资源列表
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- 本上传讲解了傅里叶变换与频谱分析之间的关系,通过fft的到信号的频谱图-Explained the Fourier transform of the upload and spectral analysis of the relationship between the fft of the signal through the frequency spectrum
sound_analysis
- 语音信号的频谱分析,包括采样语音的FFT变换,及倒频谱分析.-Speech signal spectrum analysis, including FFT, voice samples, and cepstrum analysis.
matlab-pinpu
- 介绍了用MATLAB实现信号频谱表示的方法-Introduced by MATLAB for signal spectrum, said method
bpsk
- 二相相移键控(BPSK)调制解调过程的MATLAB仿真实现。ASK、FSK、PSK这三种数字调制方式在抗干扰噪声能力和信号频谱利用率等方面,以相干PSK的性能最好,目前已在中、高速传输数据时得到广泛应用。-Binary phase shift keying (BPSK) modulation and demodulation process, MATLAB Simulation. ASK, FSK, PSK modulation in the three digital noise interf
testfrft
- 计算谐波信号的离散分数阶傅立叶变换,并求出使信号频谱聚集的最优阶数!-Calculated harmonic signal Discrete Fractional Fourier Transform, and the signal spectrum obtained optimal order together!
M2_M4_variance
- M2M4算法仿真。频谱感知中,对接收信号进行背景噪声方差估计-M2M4 algorithm. estimate the floor noise variance
signal
- 用于信号的变换分析,进行傅里叶变换,以进行频谱分析-signal processing
AMEXPO1S
- 单边指数信号M文件,可生成单边指数信号频谱,希望对大家有帮助-Pors
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
identify
- 通信信号的调制信息包含在信号的瞬时幅度、相位、频率的变化之中,不同的信号其频谱也呈现不同的特征,通过提取瞬时幅度、相位、频率以及频谱的参数统计特征,可以识别不同的通信信号。通常是利用对瞬时幅度、瞬时相位,瞬时频率和信号功率谱进行某种变换而得到可以明显区分各种信号的特征参数。-Communication signal modulation information is contained in the signal instantaneous amplitude, phase, frequency
pinpufenxi
- 在matlab下实现信号频谱分析:利用快速付里叶变换FFT得到下列信号的频谱,并绘制信号及频图形:1.长2s的方波信号,频率f=10Hz -In matlab signal spectrum analysis: the fast in leaf transform FFT get pay of spectrum, the signal and drew the signal and frequency graphics: 1. The long 2s, frequency f = squar
beipincheng
- 信号频谱分析,倍频程算法matlab程序,1/N倍频程-Signal spectrum analysis, octave algorithm matlab program, 1/N octave
weak-signal-detection-and-analysis
- 微弱信号的提取检测和分析 用matlab实现的源代码 首先计算输入信号的均值、均方值、方差、频谱及功率谱密度,确定输入信号中包含着有用信号。然后提取有用信号,并要求计算提取信号的均值、均方值、方差、概率密度、频谱及功率谱密度,并画出曲线-The extraction of weak signal detection and analysis
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
signal2
- 应用 FFT对信号进行频谱分析 1、在理论学习的基础上,通过本次实验,加深对快速傅里叶变换的理解,熟悉FFT 算法及 其程序的编写。 2、熟悉应用FFT 对典型信号进行频谱分析的方法。 3、了解应用 FFT 进行信号频谱分析过程中可能出现的问题,以便在实际中正确应用 FFT。 -Application of FFT spectrum analysis of signal 1, the theoretical foundation of learning, through th
xindian
- 心电信号的采集与处理 频谱分析与特征提取-ECG acquisition and processing of spectrum analysis and feature extraction
ziliao
- 信号序列的DFT本身就是信号频谱的采样集,所以DFT可直接用于分析信号的频谱。快速傅立叶变换是一种有 效、实用的信号DFT算法。文章通过对DIT-FFT算法的详细分析,提出了一种计算机软件仿真信号频谱分析方案,并给出了 关键算法的C 语言程序。-Signal sequence of the DFT spectrum of the sample itself is a set of signals, so the DFT can be directly used to analyze th
FFT
- 计算信号的谱特性,包括频谱特征及功率谱特征。-Calculate the spectral characteristics of the signal, including spectral characteristics and power spectral features.
signal-spectrum-analyzer
- 这是matlab编写的声音信号频谱分析仪-It is written in matlab sound signal spectrum analyzer
exc0501
- 音频信号频谱分析:应用普通录用软件录制声音,对其进行时域和频域分析-audio signal frequency analyse