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plj
- 基于51单片机的等精度频率计测量程序，已经经过调试成功的，而且精度已达到了10_7位-51 microcontroller-based precision frequency measuring procedures had already been successful commissioning, and the accuracy has reached 10_7 bit
plj
- 51单片机 实现的频率计 具有自动转换 频率计算方式功能-The 51 MCU cymometer frequency calculated automatically converted
plj
- 数字频率计，能直接计数单位时间内被测信号的脉冲数，然后以数字形式显示频率值-Digital frequency meter, count the measured signal number of pulses per unit time, frequency value is then displayed in digital form
plj
- 频率计 多于不通频率情况下 有不同的显示 用于毕业设计比较适合 -Frequency meter more than the barrier frequency under different display more suitable for graduate design
PLJ
- 频率计 verilog语言编写 有三级量程可供选择-Frequency meter
PLJ-XIANSHI
- 自制频率计，可以设置频率分辨率以及测频范围，基于altera FPGA-Homemade frequency meter, you can set the frequency resolution and frequency measuring range, based on altera FPGA
AT89C2051-PLJ
- AT89C2051频率计程序，硬件简单，很容易制作，调试方便。-AT89C2051-AT89C2051 frequency meter program, the hardware is simple, easy to make, easy debugging.
plj
- 用430做得一个频率计 可测频率范围1HZ~65kHZ-430 done with a frequency meter can measure the frequency range of 1HZ ~ 65kHZ
plj
- 基于51单片机可测200mHZ频率等精度频率计，误差不超过0.5HZ-To measure 200mHZ frequency equal precision frequency meter
plj
- 多功能频率计，可以测量10HZ到10MHZ的频率脉冲，精度为1赫兹，另外有计数器功能-Multifunctional frequency meter, you can measure the frequency of the pulse 10HZ to 10MHZ, and an accuracy of 1 Hz, and another counter function
plj
- 时钟分频器原理与实现，计数跳变的频率和加减模式可实时变化，通过Nano实验板上的LCD显示器显示。计数频率、加减选择和初始化操作通过板上的拨动开关和Reset按钮实现。-Principle and Implementation clock divider, counting and addition and subtraction frequency hopping mode changes in real time, through the LCD display panel show Nan
plj
- 基于51单片机 的数字频率计 有详细注释 t0口输入调试可用-The digital frequency meter based on 51 single chip microcomputer to port detailed annotation t0 debugging is available
plj.FPGA
- 本频率计基于CPLD/FPGA实现。 50MHZ标准频率为CPLD内部时钟信号，被测方波为信号发生器产生的方波信号，显示电路由TTL芯片及七段数码管组成的电路，自校正输出由CPLD输出已知频率的测试方波信号，可将其输入至测试端口，进行系统精度校正。 -The frequency meter based on CPLD/FPGA implementation. 50MHZ standard CPLD internal clock signal frequency, square-wave test
plj
- 利用8031的T0计数器实现对方波信号的频率测量，幅度为0-5V， 测量结果在6位LED数码管上显示出来。 控制功能：每隔5秒钟测量一次，测量闸门时间设定为0.5秒。闸门开启（这时允许T0计数）时发 光二极管L1点亮，闸门关闭（测量结束，停止T0计数）时L1熄灭，同时在6位LED数码管上显示出 测量结果（精确到Hz）。 单片机晶振频率为6MHz - FUCTION: bin to bcd code bin 3 byte, bcd 4 byte
plj
- 频率计源代码，测量范围1hz-100Mhz，七位显示，三种量程，精度比较高-Frequency meter source code, measuring range 1hz-100Mhz, seven displays three range, high precision
plj
- 基于MSP430单片机能够测试交直流电流电压的程序-Based on MSP430 can test the current and voltage of the program
plj
- 简易数码管频率计，熟悉51单片机计数器的使用-Simple digital frequency meter, familiar with the use of 51 single-chip counters
plj
- 2秒闸门时间频率计，以及一个分频器，使用FPGA及verilog语言实现(2 second gate time frequency meter)
plj
- 使用vhdl语言原件例化设计数字频率计，并用6位7段数码管计数。模块包括：十进制计数器，6位10进制计数器，Reg24 锁存器、Fp 分频器、Ctrl 频率控制器、Disp 动态显示。(The digital frequency meter is designed by using VHDL language as an example and counted by 6-bit 7-segment digital tube. Modules include: decimal counter, 6