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pinlvji
- 考虑到只基于单片机的频率测量计设计主要是以单片机为基础，原理简单，但由于自身精度问题，测量的范围小。而基于FPGA和单片机结合的频率测量设计主要是以单片机作为系统的主控部件，FPGA完成对时序逻辑控制、计数功能，能较好的利用了FPGA的高精度、高速等方面的优势。-Taking into account only single-chip based on the frequency meter is based on single-chip design based on a simple pri
-frequency_counter
- 包含测频计、按键分频器、七段数码管显示分频系数和频率大小，已在开发板上运行，精度较高，并包含modelsim仿真do文件和图片，原理图等。-Contains the measured frequency meter, the key divider, seven segment LED display division factor and frequency of size, has been running on the development board, high precision,
PINGLIE
- 等精度数字频率计的实现 等精度数字频率计的实现-Such as precision digital frequency meter to achieve such precision digital frequency meter to achieve
fre_count
- 基于等精度测量的频率计，结合单片机使用，说明详细。-Based on the measurement precision frequency meter, etc., combined MCU
fre
- 数据采集与智能仪器课作业：实现等精度数字频率计的设计-Data Acquisition and Intelligent Instruments Homework: achieving equal precision digital frequency meter design
celiang
- 采用等精度测量方法的频率计的VHDL实现。-Such as precision measurement method using a frequency meter of VHDL.
frequence1
- 基于FPGA的等精度数字频率计，包含FPGA和单片机通信程序，解释非常详细。经过调试成功。-FPGA-based Precision Digital frequency meter, including FPGA and MCU communication program, explained in great detail. After successful commissioning.
freq_lzl_cqust
- 等精度数字频率计 可以实际做实验用的现有工程-frequently
PINGLIE
- 等精度数字频率计的实现等精度数字频率计的实现-Such as precision digital frequency meter to achieve such precision digital frequency meter to achieve
Q11_SOPC_Freq_Avalon
- FPGA平台下基于Nios II的数字频率计，测频模块采用verilogHDL编写，等精度算法，Avalon总线封装，Nios II读取最终的频率数值，显示在LCD12864上。-The Nios digital frequency meter based on II FPGA platform, the frequency measurement module written by verilogHDL, such as the accuracy of algorithm, Avalon bu
frequency-measuring-VHDL
- 采用等精度测频原理的频率计程序与仿真，本文为DOC文档，附有源码和仿真波形-Equal precision frequency measuring principle of frequency meter program and simulation, this paper for the DOC document, attached to the source code and simulation waveform
frequency-indicator
- 基于51单片机的频率计，用测周法和测频法，可以实现等精度测频-Based on 51 single-precision measurement of frequency, using the measurement method and frequency measurement method week, you can achieve equal frequency
acounter
- 利用VHDL语言设计的等精度数字频率计，有各个模块的详细设计语言，已调试成功。-The use of VHDL language design digital frequency meter, a detailed design language of each module has been successful debugging.
freqency_meter
- 等精度原理数字频率计。cpld或fpga文件，和单片机.c文件。-digital frequency meter
pinlvji
- 本文设计了一个基于STC89C51单片机的数字频率计。该频率计包括单片机模块、放大整形模块、分频模块及显示四个模块。输入正弦和矩形信号经高频晶体管放大后，利用74HC14可得到高频高精度方波信号；利用74HC390可进行高精度分频以达到高频信号测量，并利用单片机在1s闸门时间内对输入信号进行计时、计数以获取频率值，通过LCD1602液晶显示器将频率显示出来。经试验验证，正弦信号频率可达10Hz-32MHz，电压有效值最低65mV-1V，相对误差0.01 ；矩形波频率可达150Hz-2.2MHz，
microcomputer-frequency-meter
- 单片机频率计,等精度测量，能测1HZ到1MHZ，用C语言编写-Single chip microcomputer frequency meter, and other precision measuring, can measure 1 hz to 1 MHZ, written in C language
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
plj1
- 频率计的设计，等精度设计，非常实用，欢迎下载-Frequency meter design, and other precision design, very practical, welcome to download
Frequency-meter-program-source-code
- 基于FPGA实现的采用等精度测频原理的频率计程序源码与仿真-Frequency meter program source code and simulation based on the use and other precision frequency measurement principle of FPGA implementation
pinlvji-design-VHDL
- 使用Altera公司的EP2C35系列的FPGA芯片，利用SOPC-NIOSII-EP2C35开发板设计和仿真一个数字频率计，对1Hz~250KHz 的脉冲进行频率测量，采用等精度测量，即在所测量的整个频段内部，均可实现相同精度的测量，测量精度与频率无关，结果在数码管上显示-The use of Altera EP2C35 series FPGA chip using the SOPC-NIOSII-EP2C35 board design and simulation of a digital