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PeriodicSignalFrequency-domainAnalysis
- 周期信号是定义在区间内,按一定时间间隔(周期)不断重复的信号。设有周期信号,周期为,角频率,且满足狄里赫利条件,则该周期信号可以展开成傅立叶级数,即可表示为一系列不同频率的正弦或复指数信号之和。傅立叶级数有三角形式和指数形式两种
DSP中含有gauss白噪声的双频正弦输入
- DSP中输入信号的生成过程。 conio.cpp实现X(n)信号,其中有两个频率分量的正弦信号(正弦计算由sinwn.cpp实现),频率可变,这里取140Hz和70Hz。 考虑了高斯白噪声,由gauss.cpp实现。 最后该信号共产生2000个点,最后的信号点存储于 “x.txt”文本中。-DSP input signal generation process. Conio.cpp achieve X (n) signal, in which there are two components o
fft.rar
- 基于vc编写的正弦信号的傅立叶变换程序,并计算其功率。,Vc prepared based on sinusoidal signal Fourier transform process, and calculate its power.
PhaseMeasurement.rar
- 利用互相关法/FFT法计算两路同频正弦信号相位差,可以应用于雷达,声纳及通信领域。,Phase difference measurement
kalman.rar
- 卡尔曼滤波程序,两变量滤波;正弦信号跟踪;卡尔曼差分到状态方程的转换;卡尔曼同滑动平均比较,Kalman filtering process, the two variable filter sinusoidal signal tracking Kalman differential equation of state of the conversion Kalman compared with moving average
FFT
- 利用FFT估计正弦信号的频率,要估计一个叠加了高斯白噪声的正弦信号 的频率 ,可以通过对x(n)做傅里叶变换,得到频谱图,找出幅度的最大值对应的频率值 ,进行多次变换,求出均方误差 。改变信噪比SNR,通过仿真可以得出随着信噪比增加,均方误差减小。-Sinusoidal signal using FFT frequency estimation, to estimate a Gaussian white noise superimposed on the frequency of sinusoi
myWave_Fft
- 自制软件,实现频谱分析。能显示信号与频谱图。主要是对正弦信号和三角波进行一维FFT变换,得到频谱图。-Self-made software, the realization of spectral analysis. Showing the signal and frequency spectrum. Mainly sinusoidal signal and triangular wave transform one-dimensional FFT, the frequency spectrum
FFTshow
- 可产生矩形脉冲和正弦信号,矩形脉冲的脉宽可以改变,正弦信号则可以改变频率和时宽-Can produce rectangular pulse and sinusoidal signal, the rectangular pulse width can be changed, sinusoidal signal can be changed when the frequency and width
sinewave_c
- 用DSP产生正弦信号的程序,用C语言编写,已经调试通过。-Sinusoidal signal generated by DSP procedures, using C language, have been debug through.
signal_matched_phase
- 信号相位匹配原理的正弦信号参数的最小二乘估计-Parameter estimation of sinusoidal signals by using principle of signal matched-phase
Duffing_success
- 利用混沌振子检测微弱正弦信号,以duffing系统为例,采用的梯形积分积分求取微分方程-Detection of chaotic oscillator using weak sinusoidal signal to duffing system as an example, using the trapezoidal integration points to strike a differential equation
FLCH3eg5
- 采用3-6-1型bp网络学习非线性正弦信号sin(2pi*k/50),其中2*pi/50是正弦信号的频率,k是采样次数。-Bp-based 3-6-1 network used to learn non-linear sinusoidal signal sin (2pi* k/50), which is 2* pi/50 frequency sinusoidal signal, k is the sampling frequency.
programme
- 一个LMS自适应信号增强。输入信号是一个正弦 波将白噪声。 详细介绍了程序源代码-An LMS adaptive signal enhancement. The input signal is a sine wave with added white noise. The detailed descr iption is in the program source code
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
fft
- 对正弦信号进行傅里叶变化,然后估计频率,在不同信噪比下画出均值方差的图-In the data process the measured complex time signal is converted into frequency signal by DFT to get vibration information regarding frequency and amplitude of the rotor
fliter
- 使用滤波器对一个对带噪声的正弦信号进行平均值滤波-Use the noise filter with an average value of the sinusoidal signal filtering
sin-to-mif
- 正弦信号发生器生成正弦信号 存储格式为mif 用于quartus2的仿真-Sinusoidal signal generator to generate a sinusoidal signal storage format for the mif for quartus2 simulation
fft
- Matlab程序,GUI窗口 用FFT程序计算有限长度正弦信号y=sin(2*pi*f*t) ,0<=t<=N*T-FFT program calculate the finite length of the sinusoidal signal y = sin (2* pi* f* t), 0 < = t < = N* T respectively the DFT results obtained and analyzed and discussed in the fol
Matlab_hibert
- 对正弦信号做希尔伯特变换及其频谱分析,适合学习计算方法的学生-Do sinusoidal signal and a Hilbert transform spectrum analysis, calculation methods for student learning
Filtering-Algorithm
- 文件中的代码内容为:卡尔曼滤波算法和Mahony互补滤波算法分别对带噪声的阶跃信号,正弦信号以及杂波信号的滤波处理效果,可用于姿态滤波算法的分析-Code in the file contents: Kalman filter algorithm and Mahony complementary filtering algorithm for filtering effect step signal with noise sinusoidal signal and noise signal ca