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xiangweicha
- labview程序,niscope高速化采集数据,求相位差,采用FFT法-Use niscope collecting data, doing phase, using FFT method
phasedifference
- 利用DFT实现两轮信号相位差计算,包含谐波信号污染,白噪声信号污染分析-Phase difference between two signals to achieve the use of DFT calculations, the signal containing harmonics pollution, contamination white noise signal analysis
SIN-AM-TA
- 用单片机控制AD9854芯片产生相位差90度的双路正弦信号,调幅信号,三角波信号的程序,这些程序都经过本人调试成功,分享大家。-MCU control dual AD9854 chip generates a sinusoidal signal phase difference of 90 degrees, the AM signal, the triangular wave signal programs that I have been successful commissioning, t
FFT
- 产生两路同频不同相的正弦信号,利用FFT的方法测量二者的相位差。-Determine the phase difference between two sinusoidal signals which have the same frequency.
ADC_simultaneous_DMA_FFT
- 利用28335自带的ADC采集两路模拟正弦信号,用DMA方式将采样值写入内存,用epwm控制采样周期。利用FFT求得两路正弦信号的相位差。-Sampling two analog sinusoidal signals, write them to the memory by DMA controller. The sampling period is controlled by the EPWM module. Calculate the phase difference by FFT meth
demo
- 菜单为主框架里的一个菜单项,对应运动分析内容,该菜单提供了归一化相位相关方法和相位差方法两种分析方法.-Menu-based framework of a menu item, the corresponding motion analysis content, the menu offers two analysis methods normalized phase correlation method and the phase method.
linsanpinpuxiaozheng
- 离散频谱校 正程序:比值法、相位差、细化、-Discrete spectrum correction procedures discrete spectrum correction procedure
zhengjiao
- 一个matlab编写的正交算法求相位差的实例-Orthogonal an algorithm matlab examples written request phase
text
- 利用相位来求出波达角,具体如下:利用fft变化来求出两个信号的相位大小,然后相减求出相位差,从而可以求出波达角大小-To determine the phase angle of arrival as follows: use fft to determine changes in the size of the two-phase signals, and then subtract the phase difference is obtained, which can be determin
afa_beta_kalman_prc_var
- 用α-β滤波器结合卡尔曼滤波器对相位差及其变化率数据进行处理,提高数据的测量精度,从而为进行机载单站无源定位提供高精度数据.给出了误差均方差作为精度指标.-Combined with the α-β filter Kalman filter and the rate of change of phase data processing, improve the measurement accuracy of the data, thus providing high-precision data
truevalue_kalman_prc
- 用卡尔曼滤波对一段相位差及其变化率数据进行滤波处理,给出结果并与真实的相位差变化率数据进行仿真对比.结果说明卡尔曼滤波有效-Kalman filter for a period of phase change rate data filtering and processing, given the results of phase with the real rate of change of the simulation data comparison results illustrate
afa_beta_prc_var
- 用α-β滤波器对一段相位差数据进行滤波处理,同时给出了高精度的相位差变化率数据.该数据可用于相位差变化率方法的无源定位.-With α-β filter to filter the data processing section of the phase difference, and gives a high-precision phase change rate data The data can be used to locate passive phase change rate met
chafen_prc_1
- 利用差分法对一段带有高斯白噪声的相位差数据求解其变化率.得到的变化率数据可用于无源定位中.-The use of phase-difference method with Gaussian white noise data over solving the rate of change. Change rate data obtained can be used for passive targeting.
module-counter8
- 用verilog实现8为计数器频率范围20-80kHz,根据DDS原理来一个时钟计数器记一下,n=n+1,根据公式fout=(fc÷x)÷2,fout=80 fc=320,所以n≥2时,再取反,又由公式 fout=(k.fc)÷2^n,k=50hz,fout=80khz,fc=320,所以数据的位宽n≥7。 设计要求两路方波信号的相位差在0-360゜可调,可以根据延时来实现。具体的-8 is realized with verilog counter frequency range 20-8
phase-difference-detection-based-FFT
- 基于LabVIEW设计了相位差的检测程序,采用相关法、过零法、FFT法、频谱分析法四种方法,适合毕业设计。-LabVIEW design phase of the testing procedures, the use of correlation, zero-crossing method, FFT method, spectral analysis of four methods for graduation design.
xiangweiyi
- 本设计给出了以凌阳16位单片机Spce061A为核心的数字式相位测量的基本原理与实现方案。该系统由相位测量仪、数字式移相信号发生器和移相网络三个模块构成,分别由两块单片机独立地实现控制与显示功能。采用DDS技术生成两路正弦波信号,并通过改变存储器中数据读取的起始地址来实现数字移相的功能,用Ф-T变换技术来实现相位差的测量,使得测量分辨率精确到0.1o,测得的频率与相位差值送入LCD进行显示,加入红外键盘以及语音播报的功能,使得系统具有智能化、人性化的特色。-This design gives t
fft128_test120
- 利用快速傅里叶变换来计算两个正弦电压的相位差,很准确-this is to caculate the the phase error between two sine voltage using FFT
countHeight
- 这个是基于机构光的三维重构的一段代码,是基于matlab写的,采用的四步相移法,它主要的作用是根据拍摄的四步相移图像来通过相位差来计算真是物体的高度,并重构出物体的三维形貌的,需要的可以下载.-This is based on the three-dimensional reconstruction of institutions of light a piece of code is written based on matlab, using the four-step phase shif
fft-model
- 用FFT快速傅立叶变换的方法,求取两个模拟信号的相位差。为C语言程序.本程序利用两个模拟信号,求取信号的相位差。-FFT fast Fourier transform method, the strike phase two analog signals. C language program
BIBO
- 相位差求解====源码或其他好源码或编程学习资料,质量越高得到的下载-Solution phase