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Digital
- 数字频率计数器又称通用计数器,是电子测量领域中最常见的测量仪器之一。它可以测量正弦波的频率(周期),脉冲波的频率(周期),脉冲宽度等时间参数。在通信,电子等领域中有广泛的应用。本文对传统的测频方法中存 在的精度低的问题进行了分析:数字频率计数器在测量高频信号时能够达到足够高的测量精度,但在测低频信号时,其测量结果的有效位数将会减少,精度也会相应的降低。在此基础上提出了一种基于单片机的等精度测频率,测周期,测脉冲宽度的实现方法。介绍了单片机的内部计数器与程序的运算功能进行等精度测量方法的实现。给出
MCU_MeasureFrequency
- 单片机测频程序 采用测频法和测周法进行等精度测量频率,测频范围:20Hz到29kHz
2G_measure_frequency
- 单片机测频程序,可测2G的频率,分辨率为1HZ-Single-chip frequency measurement procedures can be measured the frequency of 2G
msp430cepin
- msp430F2274单片机捕获测频程序,调试通过-Single-chip capture msp430F2274 frequency measurement procedures, debugging through
cheyong
- 单片机测速 用测频的方法测速,用于简单的环境 已调试程序-MCU speed by the method of frequency measurement speed, for a simple debugger environment has been
timer
- keil开发的基于51单片机的测频程序,能实现用按键设置测脉冲的阀门时间。-keil the development of microcontroller-based frequency measurement 51 procedures to achieve with the buttons to set the valve pulse time measurement.
HT46F49E-SEND
- 用台湾的合泰单片机驱动SI4421射频模块的发送程序,绝对正确,已测-Taiwan' s cooperation with the Thai Microprocessor SI4421 RF module sending program, absolutely right, has been measured. . . . . . . . . . . . . . . .
pinglvjidanpianjichengxu
- 频率计的单片机程序编程,实现一个简易的测频的装置。-Frequency meter microcontroller programming, the realization of a simple frequency measurement devices.
f
- 是本人写好的单片机测频程序,方便移植和应用-I have written a single chip frequency measurement procedures, facilitate the transfer and application of
51--12864
- 单片机 12864 测频率的程序,亲测绝对能用 -Procedures for measuring the frequency of MCU 12864, the pro can measure absolute
pinlvchengxu
- ATMEGA8单片机频率计程序。原理上采用32.768K外部晶振产生异步时钟信号 ,作为M8定时器2de时钟源,设定1024de预分频,可以得到TCNT2溢出de精确时间为1s,在溢出中断时控制74ls00与非门进而控制被测信号de通断,累计1s 内计数器获得de值,经过简单de运算则可获得被测信号de频率-ATMEGA8 MCU frequency meter program. Principle produced by 32.768K asynchronous external crysta
temp
- 课程设计 测频程序 线性插值测温度5度标定 我得单片机课程设计 做了两天的 用555定时器和51单片机的测频程序组成的景区温度测量电路 用线性插值的方法测量 很准的 10k的NTC电阻 1602显示-Frequency measurement program curriculum design temperature of 5 degrees linear interpolation of measured single-chip calibration I have to do a two-d
frequency
- 用于单片机测频的c语言程序,已在c51单片机上运行成功!-mcu frequency
cepin
- 51单片机利用测频法测量方波的频率的程序,很好的资料哦-51 SCM use frequency measurement method for measuring the frequency of square wave of procedures, is very good material oh
ceping
- 基于mega128的单片机测频程序,最低0.1hz。调试已通过-Mega128 microcontroller measured frequency procedures, minimum 0.1hz. Debugging has passed
pinlvji
- 该代码为数字频率计的c程序,利用stc15系列单片机,可实现对信号的频率测量,测量范围在1-11MHZ 低频是采用测周法,高频时采用测频法,高精度-The code for the digital frequency meter c program, using stc15 series single chip microcomputer, which can realize the signal frequency measurement, measurement range between
Digital-frequency-meter
- 数字频率计作为一种常见的应用电子仪器设备,传统的一般可以完全由硬件电路搭接而成,如采用基于555 定时器电路的多功能数字频率计的设计便是可取的路径之一,不用依靠单片机。但是这种电路存在一些缺点,且测频精度也不如单片机的高。在科学研究和生产实践中,如工业过程控制,生物医学,地震模拟机械振动等领域常常要用到频率计。利用单片机采用程序设计方法来设计频率计,其测频精度高。且线路相对简单,结构紧凑,价格低廉,系统稳定度高,抗干扰能力强,用途广泛等优点-Digital frequency meter is
measure
- msp430的测频和测幅程序完整版,可直接测量电压值及频率。但测量电压不可超过单片机的管脚电压,可外接电阻进行测量较大值电压-msp430 frequency measurement and test procedures complete web version can be directly measured voltage and frequency. However, the measured voltage must not exceed the microcontroller pin
方波频率测量51
- 可测1~100kHz方波频率,使用的是外部中断0和定时器一起完成(Measurable 1~100kHz square wave frequency)
Mega16_1KHz测频程序
- 使用Mega16单片机实现对1kHz信号频率的测量(program to measure the frequency about 1kHz using Mega 16 MCU)