搜索资源列表
osciliator
- 用stm32f103编写的示波器程序,可以测量波形频率,幅值,斜率等,并可以用TFT显示波形。-The oscilloscope with stm32f103 written code can be measured waveform frequency, amplitude, slope, and TFT display waveforms.
Stm32_template_CAPTURE
- 利用STM32F103引脚捕获测量频率 利用STM32F103引脚捕获测量周期-Using STM32F103 to measure frequency
stm32f103rc_capturePWM
- 本文件是以stm32f103为硬件基础,以keil4编写,通过配置定时器的pwm捕获输入,从而达到测量矩形波频率和占空比的目的。-This document is stm32f103 hardware-based, keil4 written by configuring pwm timer capture inputs, so as to measure the square wave frequency and duty cycle purposes.
基于stm32f103开发板的频率计
- 基于stm32f103开发板 测量方波(pwm)的频率 频率范围 (1-50k为佳)(Based on the STM32F103 development board, the frequency (frequency range) of Fang Bo (PWM) is measured (1-50k is better))
frequency(PA0)
- 频率计的基本原理是用一个频率稳定度高的频率源作为基准时钟,对比测量其他信号的频率。通常情况下计算每秒内待测信号的脉冲个数,此时我们称闸门时间为1秒。闸门时间也可以大于或小于一秒。闸门时间越长,得到的频率值就越准确,但闸门时间越长则没测一次频率的间隔就越长。闸门时间越短,测的频率值刷新就越快,但测得的频率精度就受影响。本文数字频率计是用数字显示被测信号频率的仪器,被测信号可以是正弦波,方波或其它周期性变化的信号。如配以适当的传感器,可以对多种物理量进行测试,比如机械振动的频率,转速,声音的频率以及
频率计
- stm32F103测量方波频率,采用外部中断的方法(The stm32F103 measures the square wave frequency using an external interrupt method)
测频程序
- STM32F103ZET6利用内部定时器来实现测量输入方波的频率(STM32F103ZET6 uses an internal timer to measure the frequency of the input square wave)
直接测周法
- 采用直接测周期法测量信号频率,最小可测到10HZ,平台为STM32F103(measurement signal ;direct;frequency)
周期
- 本程序是用STM32F103芯片进行开发的,实现对方波信号的频率测量,并显示在12864液晶屏上(This program is developed with STM32F103 chip, and the frequency measurement of the signal of the other side is realized, and it is displayed on the 12864 LCD screen.)