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简易谐波分析仪
- 采用12位MAX 197对外部信号采样。采用全周波傅立叶积分算法,对采样信号进行处理,对电力系统的电压有效值、功率等特征量进行实时在线监测;采用全数字测量法测量相位差;并采用自适应技术调整采样间隔,消除非同步采样对计算造成的误差,利用PIC18F458捕获功能实时监测电力系统频率波动,修订采样间隔。分析了各量的测量误差,均达到标准。并提供友好的人机交互界面。-used 12 MAX 197 pairs external signal sampling. Using Fourier-Cycle I
相位差可调的双通道信号发生器的设计
- 相位差可调的双通道信号发生器的设计,可以作为信号源用-phase difference adjustable dual-channel signal generator, we can use as a signal source
yixiang
- 数字式移相信号发生器可以产生预置频率的正弦信号,也可产生预置相位差的两路同频正弦信号,并能显示预置频率或相位差值;-digital phase shifting generator can produce preset frequency sinusoidal signal, Preferences may also have phase difference with the way the two-frequency sinusoidal signal, and can show that
TLC5510APhase
- 运用TLC5510A高速(20M),扫描出波形,测量相位差,两个TLC5510A测两个波形. -TLC5510A use of high-speed (20M), scanning waveform, phase difference measurement, Measuring 2 2 TLC5510A waveform.
jianxiangqi
- 利用单片机进行相位的检测,产生两路波形,检测相位的差别.-use microprocessor phase of testing, have two road waveform, phase difference detection.
MSP430_SDJC
- 本系统基于TI公司的MSP430系列芯片,结合模拟电路实现市电频率、电压、电流以及电压和电流之间相位差的测量。通过对市电波形的采集,系统还完成有功功率、无功功率的计算以及波形频谱的分析。-The system is based on TI' s MSP430 family of chips, combining analog circuit realization of the city of frequency, voltage, current and phase difference
Lowfrequencydigitalphasetester
- 低频数字式相位测试仪,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。-Low
statemachine
- 基于状态图的光电编码器4倍频vhdl程序,输入相位差90度的两相,输出倍频和方向信号-Based on the state of the optical encoder Figure 4 multiplier vhdl procedure, enter a 90-degree phase difference of two-phase, frequency and direction of the output signal
sin
- 基于单片机的四路相位相差90度的信号发生器,可模拟光栅传感器的输出信号-Based on the four-way single-chip 90-degree phase difference between the signal generator, can simulate the grating sensor output signal
FPGAbasedschematicdiagramofthephasemeasurement
- 基于FPGA的相位测量原理图,完全用原理图的方式对相位差进行测量-FPGA-based schematic diagram of the phase measurement, complete with schematic diagram of the measurement on the phase difference
dds_easy
- 直接频率合成DDS模块的ise工程,可以直接下载,在Spartan3/Spartan3E上验证通过。该DDS模块可以产生双通道的不同频率的正弦波,也可以产生同频的任意相位差的相移波形。本模块累加器位数为32位,可以产生12位相位精度12位量化精度的正弦波。该设计例化一个Block Ram,为节省储存空间仅需要储存1/4周期的数据。根据需要,可以重新修改数据,改变波形。-DDS direct frequency synthesizer module ,ise project, can be dir
DBF_multiroad_receiver_check_technology
- DBF技术是在原来模拟波束形成原理的基础上,引入数字信号处理方法之后建立的一门雷达新技术。数字波束形成就是用数字方式将由于传感器在空间位置不同引入的传播程差导致的相位差进行补偿,从而实现各路信号之间信号同相叠加,使得观测方向能量最大接收,形成特定方向上目标信号检测。-DBF technology is in the original analog beamforming based on principle, after the introduction of digital signal pr
conformPulse
- 本程序实现了对两相混合式电机提供4路驱动信号,相位相差90,180,另外也提供了拨码开关控制的频率输出选择,输出频率最大是5M,外部全局时钟是10M,采用的芯片是epm7128slc-84-15, 管脚分配可以参考管脚分配文件,对应驱动电机信号是两相双极性A+,A-,B+,B-. 编译环境是quartusII 8.0,这段代码可用来调试步进电机双桥驱动电路,也可用当信号发生器使用。-The program realization of two-phase hybrid motor provide
frequency-digital-phase-measuring-
- 低频数字式相位测量仪,数码管显示相位差,精度为0.1-Low frequency digital phase measuring instrument, digital pipe display phase difference
phase
- 2012年江苏省电子设计竞赛,测相位差程序。可分辨相位的超前于滞后,经测试稳定可靠!-Electronic Design Contest in 2012, Jiangsu Province, the phase difference measurement procedures. Distinguished phase ahead of the lag has been tested and is stable and reliable!
phase-measurement
- 简单的相位差测量器 #include<reg52.h> #include<stdio.h> #include"JHD162.H" -Simple phase difference measurement unit # include <reg52.h> # Include <stdio.h> # Include " JHD162.H"
phase
- DSP2407测量两路方波信号的相位差,测相精度在10的-4次方度-dsp2407 measure the phase difference between two signal
estimate-the-phase-difference
- 本程序可以实现两组正弦信号的相位差测量,此程序是经CCS3.3开发出来的,可以在28335上运行。程序里面包括相位差测量算法程序,FFT程序,加噪声程序。分步给出方便修改。程序中还对不同开发环境给出大量头文件和库文件,方便大家调试成功-The program can achieve two sinusoidal signals phase difference measurement, this procedure is developed by CCS3.3, you can run on 2
Phase-Difference
- STM32单片机,采用数字相关法测量两路波的相位差,内含工程,进行了模拟数据测试通过,稍微修改即可使用,并附上了理论文档。-STM32 microcontroller, using digital Correlation Method for Measuring the phase difference between two waves, including engineering, tested by simulated data, you can use slightly modified
TMS320F28035_PHASE_DIFFERENCE
- 采用相关法在TMS320F28035上实现计算两个信号相位差(use correlation method to calculate the phase difference of two signals on TMS320f28035)
