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实数据快速傅立叶变换算法
- 傅立叶变换是信号处理时最常用的算法之一,实现时域与频域之间的转换,对人们研究各种信号非常有用,本程序利用VC实现快速傅立叶变换算法-Fourier transform signal processing is the most commonly used algorithm, achieving time-domain and frequency domain between the conversion of the people look very useful signal, the pr
fft
- 快速傅立叶算法,将离散信号从时域转换到频率-Fast Fourier algorithm, the discrete time-domain signal from the switch to the frequency of
fft
- 时域信号转换为频域信号的几个例子,本人都用过的,绝对能运行-Time-domain signal is converted to frequency domain signal a few examples, I have been used, absolutely can run
FFTandInverseFFT
- Labview 中FFT 和Inverse FFT功能的应用实例,展示了由时域到频域的变换及由频域到时域的信号重建-Labview, and Inverse FFT in the FFT function of application examples to demonstrate by the time domain to frequency domain transformation, and by the frequency domain to time domain signal rec
Signals_and_Systems_Time_Domain_Analysis_of_Contin
- 信号与系统连续系统的时域分析Signals and Systems Time Domain Analysis of Continuous Systems-Signals and Systems Time Domain Analysis of Continuous Systems Signals and Systems Time Domain Analysis of Continuous Systems
Discrete_Signal_and_System_Analysis_in_Time_Domain
- 信号与系统离散系统的时域分析Discrete Signal and System Analysis in Time Domain-Discrete Signal and System Analysis of Time Domain Discrete Signal and System Analysis in Time Domain
z_transform_discrete_time_domain_signal_spectrum_a
- z变换、时域离散信号频谱分析教程z transform, discrete time domain signal spectrum analysis tutorial-z transform, discrete time domain signal spectrum analysis tutorial z transform, discrete time domain signal spectrum analysis tutorial
cheng-xu
- (1)认真复习第七章中用窗函数法和等波纹最佳逼近法设计FIR数字滤波器的原理; (2)调用信号产生函数xtg产生具有加性噪声的信号xt,并自动显示xt及其频谱,如图10.5.1所示; 图10.5.1 具有加性噪声的信号x(t)及其频谱如图 (3)请设计低通滤波器,从高频噪声中提取xt中的单频调幅信号,要求信号幅频失真小于0.1dB,将噪声频谱衰减60dB。先观察xt的频谱,确定滤波器指标参数。 (4)根据滤波器指标选择合适的窗函数,计算窗函数的长度N,调用MATLAB函
Signal-time-domain-analysis
- 信号的时域分析:包括连续小波分析,vigner-will分析,短时傅里叶变换等。-Time domain analysis: including the continuous wavelet analysis, vigner-will analysis, short time Fourier transform.
Ex4_3
- 傅里叶变换是一种将信号从时域变换到频域的变换形式,是信号处理的重要分析工具。离散傅里叶变换(DFT)是傅里叶变换在离散系统中的表示形式。但是DFT的计算量非常大, FFT就是DFT的一种快速算法, FFT将DFT的N2 步运算减少至 ( N/2 )log2N步。-Fourier transform is a signal from the time domain to frequency domain transformation form, is an important signal pr
KALMAN
- 卡尔曼滤波器PID控制,采用时域递推法,处理信号噪声的平稳随机过程-PID control, Kalman filter, recursive time-domain method to deal with the noise of the stationary random process signals
paper2
- 基于PSWF的非正弦时域正交调制信号的同步方法.pdf-Based on PSWF the non-sinusoidal time-domain quadrature modulation signal synchronization method. Pdf
WAVE-weifengyin
- 小波变换具有多分辨率分析的特点,并且在时频两域都具有表征信号局部特征的能力。小波变换通过将时间系列分解到时间频率域内,从而得出时间系列的显著的波动模式,即周期变化动态,以及周期变化动态的时间格局(Torrence and Compo, 1998)。小波(Wavelet),即小区域的波,是一种特殊的、长度有限,平均值为零的波形。它有两个特点:一是“小”,二是具有正负交替的“波动性”,即直流分量为零。小波分析是时间(空间)频率的局部化分析,它通过伸缩平移运算对信号(函数)逐步进行多尺度细化,能自动适
analysis-of-the-gear
- 计算齿轮故障,对齿轮进行时域分析(计算时域信号的各统计特征值)和频域分析(进行傅里叶变换,计算功率谱)-analysis of the gear
4_3DFT
- 数字信号处理中关于数字滤波器时域响应计算处理的程序-Digital signal processing on the digital time domain response of the filter calculation processing procedures
funcwin
- 汽车平顺性加权评价指标数据处理程序,只要将离散的加速度时域信号值输入到相应txt文件中即可计算出平顺性加权评价指标。-Car ride weighted uation data handler
wave_idl
- 用于同时观察信号在时域和频域中的变化以及信号中的不同频率成分随时间的变化-For the simultaneous observation of different frequency components in the time domain and the signal spectrum of the signal changes over time
shiyu
- 振动信号的时域处理方法,包括滤波器代码和示例-Vibration signal of time domain processing methods, including filter code and examples
nuiqou
- 实现串口的数据采集,详细画出了时域和频域的相关图,连续相位调制信号(CPM)产生。- Achieve serial data acquisition, Correlation diagram shown in detail the time domain and frequency domain, Continuous phase modulation signal (CPM) to produce.
jingqing_v89
- 阐述了负荷预测的应用研究,可以实现模式识别领域的数据的分类及回归,分析了该信号的时域、频域、倒谱,循环谱等。- It describes the application of load forecasting, You can achieve data classification and regression pattern recognition, Analysis of the signal time domain, frequency domain, cepstrum, cyclic s