搜索资源列表
t4cap
- C8051F040 T4捕捉测脉宽 T3频率方波输出T4捕捉测试程序-C8051F040 T4 capture measured pulse frequency square-wave output T3 T4 capture test procedures
KeyPwm234
- PWM控制电机,用PWM控制电机,熟悉定时器Timer A/B的编程方法。用Timer A作为脉宽调制信号产生的定时器.了一个函数F_Pwm(int a,int b) 用于PWM设置,传入两个参数第一个用于频率设置,第二个用于占空比设置。-PWM motor control using PWM motor control, timer Timer familiar with the A / B programming method. A Timer used as a PWM signal to
数字频率计
- 8952+1602简易频率计C程序 功能概要: LCD显示简易频率计 MCU: STC89C52 晶振:11.0592Mhz 改进说明: LCD显示频率,周期,脉宽 占空比
FPGA实现等精度的频率和脉宽测量
- FPGA实现等精度的频率和脉宽测量,使用次源码的作品获得2008年TI杯湖北省电子设计大赛一等奖,FPGA to achieve such accuracy the frequency and pulse width measurement, the use of sub-source works TI Cup 2008 Electronic Design Competition first prize in Hubei Province
pca.rar
- C8051F系列单片机利用PCA捕捉模块进行脉宽测量,C8051F series microcontrollers use of PCA capture module pulse width measurement
freq_count
- 简易小信号频率计,能完成测量信号的频率、周期、脉宽、占空比,并用1602液晶显示出来。(由按键决定显示的内容)-simple Frequency count
freqm
- 以CPLD器件EPM7128SLC84-15为核心实现的简易数字频率计,采用在一定时间内对数字脉冲计数的方法,可直接测量TTL电平的数字脉冲信号的频率、周期和脉宽。其他一些信号可经过信号预处理电路变换后测量。 量程:1Hz~999999Hz 输入信号:(1)TTL电平数字脉冲信号;(2)方波/正弦波,幅度0.5~5V 显示:七段数码管显示频率(Hz)和周期/脉宽(us) 控制:两个拨码开关切换三种工作模式:测频率,测周期,测脉宽-Frequency Counter realize
TestingFrequency
- (1)频率测试功能:测频范围0.1H~200H。 测试精度:恒为百万分之一。 (2)脉宽测试功能:范围0.1us~1s,精度0.01us。 (3)占空比测试功能。-(1) the frequency of test functions: the scope of testing frequency 0.1H ~ 200H. Test accuracy: Constant for the parts per million. (2) pulse-width test functions
invspwm
- 正弦脉宽调制, 程序给定调制波频率,载波频率,负载功率因数,输出相电压波形,相电流波形。-Sine pwm,the frequecy of modulated wave and carried wave is given in program, also the factor of load.The output is wave of phase voltage and phase current.
jingjian
- 我自己画的全套原理图,测周期频率脉宽用单片机-I painted a full set of schematics, test cycle, the frequency pulse-width with MCU
pwmfangzhenchengxu
- 本设计采用基于AVR内核的MEGA8单片机,该单片机集成了相当丰富的片上资源,其中就包含有三路独立的PWM输出,在8MHz的晶振频率下,最高可以输出31.25KHz的8位分辨率脉宽,设计中主要是利用MEGA8的PWM输出功能来完成三路PWM波形的输出,其中两路是同步反向输出,频率、脉宽均可调,另外一路单独输出,脉宽可调。-This design based on AVR core MEGA8 microcontroller, which integrates a rich on-chip res
main
- 可以实现脉宽可以通过按键设定的频率计,并且用4位数码管显示-Pulse width can be achieved by setting the frequency meter keys, and digital display with 4
my-test
- 简易数字频率计程序, LCD显示简易频率计 MCU: STC89C52 晶振:11.0592Mhz LCD显示频率,周期,脉宽 -Simple digital frequency meter program, LCD display simple frequency meter MCU: STC89C52 crystal: 11.0592Mhz LCD displays frequency, period, pulse width
aaa
- 基于msp430f5438的频率脉宽检测计,IAR-Based on msp430f5438 frequency pulse width detector, IAR
ex
- 51单片机实现测脉冲周期频率脉宽,四位数码管显示-51 MCU cycle frequency pulse width measurement, four digital display
简单雷达信号仿真
- 简单雷达信号的matlab 仿真。属于脉冲调频信号。含脉宽,周期,脉冲频率等参数
pinlvji Verlog
- 恒精度频率计的Verlog可综合代码采用时钟频率为2MHz,不同的时钟频率需要修改相应的参数。(Constant precision frequency meter Verlog can be integrated code, using a clock frequency of 2MHz, different clock frequency needs to modify the corresponding parameters.)
信号源频率,周期和脉宽的测量
- 信号源的频率,周期和脉宽的测量采用51汇编语言编程,实现实时分别检测信号源的频率,周期和脉宽数据,并在4位数码管上显示。系统硬件由555电路组成。系统分为频率检测模块,周期测量模块和脉宽测量3种模式,通过按键s7循环切换3种模式。处于频率检测模式,以发光二极管L1点亮指示。处于周期测量模式,以发光二极管L2点亮指示处于脉宽测量模式,以发光二极管L3点亮指示。
pwm频率和周期可调 - 副本
- 本程序产生15HZ~~~50KHZ的方波,并且实现频率和脉宽的独立调制,即可 在改变频率的同时不改变脉宽,再改变脉宽的同时不改变频率;同时设置(This program generates square wave of 15HZ~~~50KHZ, and realizes independent modulation of frequency and pulse width. Change the frequency without changing the pulse width, and
SPWM
- spwm正弦表有很多,但不知怎样调用它,有了这个脉宽计算器 直接调用,不同的定时器频率生成不同的spwm 还附带有定时器周期设置计算值,对正弦波开发很有帮助 (SPWM sine table has a lot of, but I do not know what to call it, the pulse width calculator direct calls, timer frequency of different generation of the SPWM also comes w