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- 基于51单片机的数字频率计+1602显示-Based on 51 single-chip digital frequency counter 1602 shows
plj
- 这是一个利用ＶＨＤＬ编写的简易数字频率计，它所能够测量的频率范围为：０～５０ＭＨＺ，当被测量信号的频率越大则它的精度越高。-This is a simple written using VHDL digital frequency meter, it can measure the frequency range: 0 ~ 50MHZ, when the frequency of the signal being measured is greater the higher its accura
shuzi
- 本课题设计的数字频率计采用等精度测频法选择以单片机为核心部件，输入信号经过由AD844放大器和AD790比较器组成的信号处理电路进行预处理- The design of digital frequency meter use equal precision method of frequency measurement and choose the microcontroller as core components, Input signal passes through the signal
AT89S52-digital-frequency-meter
- 基于AT89S52的单片机数字频率计设计方案及代码-AT89S52-based single-chip digital frequency meter design and code
shuzizhong
- 简易数字频率计 交通灯控制器 抢答器 课程设计ppt-A digital clock design
shiyanyi
- 加上外围的电路连接可以实现数字频率计的功能，其中为4位显示的功能- digital frequency meter function
szplj
- 一个1hz—1Mhz数字频率计的设计,一个1hz—1Mhz数字频率计的设计-One of the 1 1Mhz digital frequency meter design
jianyiplj
- 基于avr单片机的简易频率计设计利用51单片机，自动数字频率计，含测频测周法-The use of 51 MCU, automatic digital frequency meter, with frequency measurement-Measuring Method-Based on the AVR single-chip simple frequency meter design
pin-lv-ji
- 设计的是一个数字频率计，通过八个七段数码管显示频率值。系统时钟选择的50M的时钟，闸门时间为1s（通过对系统时钟进行分频得到），在闸门为高电平期间，对输入的频率进行计数，当闸门变低的时候，记录当前的频率值，并将频率计数器清零，频率的显示每过2秒刷新一次。被测频率通过一个拨动开关来选择是使用系统中的数字时钟源模块的时钟信号还是从外部通过系统的输入输出模块的输入端输入一个数字信号进行频率测量。当拨动开关为高电平时，测量从外部输入的数字信号，否则测量系统数字时钟信号模块的数字信号。（附详细PDF文档介
digital-frequency-meter
- 数码管显示的数字频率计，能测量3M以内的频率。-Digital display of the digital frequency meter, can measure the frequency of less than 3M.
Frequency-counter
- 基于FPGA的数字频率计：1. 测量1Hz～1GHz方波的频率，精度为十分位。 2. 档位自动调整，分为1Hz~999.9Hz,1KHz~999.9KHz,1MHz~999.9MHz三个档位。 3. 实现16位的除法器，进行频率的计算，并以ASIIC码输出测量的数据。 -FPGA-based digital frequency meter: 1. Measurement 1Hz ~ 1GHz square wave frequency, accuracy decile. (2)
freq_meter
- 该程序是基于51单片机的数字频率计，采用数码管搭配少量逻辑芯片实现对波形的分频计数和显示。-The program is based on 51 single-chip digital frequency meter, digital tube with a small amount of logic chip count and display the frequency of waveform points.
ll
- 电子计数器测频有两种方式：一是直接测频法，即在一定闸门时间内测量被测信号的脉冲个数；二是间接测频法，如周期测频法。直接测频法适用于高频信号的频率测量，间接测频法适用于低频信号的频率测量。本文阐述了用数字电路设计了一个简单的数字频率计的过程。-Electronic counter measuring frequency in two ways: one is the direct frequency measurement method, that is, in a certain gate ti
freq_detect
- verilog写的数字频率计，用七段数码管显示-verilog to write the digital frequency meter
frequency-testing
- 简易数字频率计设计报告，MSP430实现各不同等级的频率测试，并在液晶屏上显示-Simple digital frequency meter design report, the MSP430 to the frequency of testing of different levels, and displayed on the LCD screen
Digital-frequency-meter
- 基于单片机的数字频率计论文，结构简单易实现，附有模块电路图。-Microcontroller-based digital frequency of papers, the structure is simple and easy to achieve, attached to the module circuit.
pinlv01
- VHDL实现的数字频率计。频率可到26MHz,精度达到0.001 误差-VHDL frequent
modian
- 模电数电的课程设计，数字频率计的设计。值得学习参考-Mode power the number of electricity curriculum design, the design of the digital frequency meter. Worthy of study reference
shuziplj
- 数字频率计，基于单片机和proteus仿真的，经过验证，程序电路都没问题，欢迎大家下载参考-Digital frequency meter based on SCM and Proteus, simulation, verification, program circuit does not have the question, welcome everyone to download the reference
DF_counter
- 计数式数字频率计，10Hz-10MHz以KHz为单位显示，六位数码管显示，有小数点及溢出标识，1s、0.1s、0.01s闸门时间可选-Count type digital frequency plan, 10 Hz-10 MHz to KHz for unit shows, six digital tube, showed a decimal point and overflow logo, 1 s, 0.1 s, 0.01 s gate time can be chosen