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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
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
dipin
- 主要实现对两列信号的相位差的精确测量并且数字显示结果.-Main achievement of the phase difference of two signals and the digital display accurate measurement results.
ANOlog_TMS320F28335
- 本装置采用单相桥式DC-AC逆变电路结构,以TI公司的浮点数字信号控制器TMS320F28335 DSP为控制电路核心,采用规则采样法和DSP片内ePWM模块功能实现SPWM波。最大功率点跟踪(MPPT)采用了恒压跟踪法(CVT法)来实现,并用软件锁相环进行系统的同频、同相控制,控制灵活简单。采用DSP片内12位A/D对各模拟信号进行采集检测,简化了系统设计和成本。本装置具有良好的数字显示功能,采用CPLD自行设计驱动的4.3’’彩色液晶TFT LCD非常直观地完成了输出信号波形、频谱特性的在线
chenxu
- 相位差测量程序,利用单片机附加外围器件实现相位差的测量。-Phase difference measurement procedures using microcontroller additional peripheral devices to achieve the phase difference measurement.
Pulse-signal-process
- 可以实现一下四项指标的程序1.设计8路脉冲信号发生器,其脉宽和频率均可调。 2.其中6路信号的频率同步可调,频率范围在0.1HZ-1MHZ,步进值自行设置。 3.其中2路信号的频率相同,但有相位差,2路信号的相位差用按键可调,步进值自行设置。 4. LED显示器上自动显示信号的频率值。-Can achieve the four indicators of the program. Design 8-channel pulse signal generator, the pulse w
ATmega8-SPWM
- 利用atmega8生成三相spwm波形,三相120°相位差.利用rc滤波即可用示波器观察波形. -Use atmega8 to generate three-phase spwm waveform, three-phase 120 phase difference. Rc filter to observe the waveform with an oscilloscope.
PWM
- 单个定时器输出2路相位差为180度的PWM波-2-way single timer output phase difference of 180 degrees of the PWM wave
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"
zhongyao
- 该程序主要应用于步进电机的驱动,是我仿制的,身为初学者,程序可能还很幼稚还请见谅,程序以输出两项正弦波,相位相差90度,还需配合外部电路-The program is mainly used in stepper motor drive is my imitation, as a beginner, the program may still naive but please forgive me, the program to output two sine wave, the phase d
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
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
three-type
- 产生所要的相差60°的三相正弦波 89C51 C语言-Produce the desired phase difference of 60 ° phase sine wave 89C51 C language
glys
- MSP430单片机根据相位差测功率因数程序,并用5110显示屏显示-MSP430 single chip microcomputer program according to the phase difference measuring power factor, and 5110 display shows
zhankongbi
- 检测方波信号的占空比,将信号经过与门电路,可以测量方波的相位差,并在LCD1602中显示-Detection of square wave signal, the signal through the gate circuit, phase difference measurement of square wave, and display in LCD1602
2016_11_30_-demo_succ
- 基于stm32f407,利用定时器5的四个输入捕获通道,来捕捉两个数字编码器输出的波形,每个编码器输出两路信号,有相位差,从而区分正反转。-Based on the stm32f407, using the four timer 5 input capture channel to capture the two digital encoder output waveform, each encoder output two signals, there is a phase differenc
ZE可行
- 产生两路可调制波形,通过串口发送命令,选择输出的波形类型,频率,幅值,相位差(Generate two adjustable waveforms, send commands through the serial port, select the output waveform type, frequency, amplitude, phase difference)
输出比较模式测试实验
- 本实验将实现如下功能:通过定时器的输出比较模式,在PC6~PC9,输出4路PWM,每路PWM频率为500Hz,占空比为50%,每一路PWM相位差为45°(This experiment will realize the following functions: through the timer output comparison mode, in PC6~PC9, output 4 way PWM, each PWM frequency is 500Hz, duty cycle is 50%,
