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BasedonVHDLdesigndigitalfrequencyof
- 本文用VHDL在CPLD器件上实现一种8 b数字频率计测频系统，能够用十进制数码显示被测信号的频率，不仅能够测量正弦波、方波和三角波等信号的频率，而且还能对其他多种物理量进行测量。具有体积小、可靠性高、功耗低的特点。-In this paper, VHDL in the CPLD device to achieve a 8 b digital frequency meter measuring frequency system that
onehehe
- verilog设计的4位频率计，可以测量方波、三角波、正弦波；测量范围10Hz～10MHz，测量分辨率1Hz，测量误差1 Hz；测量通道灵敏度50mv-Verilog design Cymometer 4, can be measured square wave, triangle wave, sine wave measuring range 10Hz ~ 10MHz, measurement resolution of 1Hz,
fcounter
- 频率计，有3个档位可通过键SW0、SW1、SW2来选择量程。-Frequency meter, has 3 stalls available through button SW0, SW1, SW2 to select the range.
pinglvji
- 51单片机开发的等精度数字频率计，实现计数0--51 Single-chip, such as the development of precision digital frequency meter, realize counts 0--
sample_cymometer
- 单片机简易频率计。包含有Proteus仿真程序-Simple single-chip frequency counter. Proteus simulation program contains
frequency
- 这个程序是基于等精度测频原理的频率计，用VHDL语言实现，频率测量测量范围1~9999；用4位带小数点数码管显示其频率，并且具有超量程、欠量程提示功能。-This procedure is based on the principle of frequency measurement accuracy, such as the frequency meter, using VHDL language, frequency measure
pinlv1602
- 完全正确的频率计供大家参考（1602显示),非常适合单片机学习和使用-Completely correct frequency for your reference (1602 show), very suitable for the learning and use of single-chip microcomputer
pinlvji
- 8位十进制频率计,通过验证,目标芯片EPF10KLC84-4-8 decimal Cymometer through authentication, the target chip EPF10KLC84-4
DDS_Project
- 频率计 等精度频率计 可以用于频率测试的等精度频率计 可用的-Such as precision frequency meter frequency meter can be used for the frequency of tests, such as precision frequency meter available
555
- 80C51单片机中结合555电路实验和单片机定时器频率计实验，里面包含555定时器的datasheet和实验源程序-80C51 single-chip integration of 555 timer circuit experiments and the frequency of single-chip experiment, which contains 555 timer datasheet and experimental so
frequencymeter
- 用单片机C51语言写的等精度的频率计，比较准，能测量较高频率，测高频时需要一定的等待时间-C51 MCU and other languages written in the frequency accuracy, the comparison accurate, capable of measuring high frequency, high frequency measurement requires a certain wait
pinlvji
- Keilc51和proteus环境下实现的0－50MHz的频率计。-Proteus Keilc51 and realize the circumstances of the 0-50MHz frequency meter.
fre
- 基于等精度测频原理，设计的等精度频率计，测试结果很精确，达到0.01HZ。-Such as the accuracy of frequency measurement based on the principle of design, such as precision frequency meter, test results are accurate to 0.01HZ.
plj
- 等精度数字频率计 的一个工程---包括vhdl源程序和编译后产生的相关文件-Such as precision digital frequency of a project- including VHDL source code and compile the relevant documents after
Frequencyofprocedure
- 汇编程序，利用单片机液晶1602实现数字频率计-Assembler, using 1602 single-chip LCD digital frequency meter
pinlj
- 用汇编语言实现了精确频率计。实验已经通过-Using assembly language to achieve a precise frequency meter. Experiment has been passed
yan
- 用汇编语言实现了数字频率计。实验已经通过，效果很好-Using assembly language to achieve a digital frequency meter. Experiment has already been adopted, the effect of good
8051PLJ
- 利用8051的定时器用来计数作为频率计的基础。测频范围是1--10000HZ-The use of 8051 timer used to count as the basis of frequency. Measuring frequency range is 1 10000HZ
work5FREQTEST
- 8位十六进制频率计设计 根据频率的定义和频率测量的基本原理，测定信号的频率必须有一个脉宽为1s的输入信号脉冲计数允许信号；1s计数结束后，计数值被锁入锁存器，计数器清零，为下一测频计数周期做好准备。测频控制信号可由一个独立的发生器（FTCTRL）来产生。-8-bit hexadecimal Cymometer designed in accordance with the definition of frequency and freq
kcsj
- 很强大的频率计，是仿真的 通过测试 非常的好-Very powerful frequency counter, is to pass the test simulation is very good