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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
-recursive-
- 天线组阵中相位差的递推最小二乘估计与滤波-Phase array antenna group recursive least squares estimation and filtering
FFT-method
- 相位差测量的FFT法和DTFT法误差分析-FFT method and DTFT phase measurement error analysis method
Hilbert-transform
- 基于Hilbert变换的相位差测量法分析及改进-Based on the analysis phase measurement and improvement of the Hilbert transform
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