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sampleVHDL
- 采样等精度测量的VHDL程序．．在xilinx ISE 8.1上验证通过-sampling and other precision measurement of VHDL program. . In xilinx ISE tested through 8.1.
基于MCS_51单片机的高精度数字测相方法.pdf
- 相位是周期信号的一种重要的波形参数. 利用 MCS - 51 单片机与外部电路相结合 ,充分 利用其片内资源 ,采用过零鉴相法 ,高频脉冲填充计数 ,多周期等精度测量方法 ,实现了相位差的高精度 测量. 着重介绍了系统原理及硬软件实现方法
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
pingljc.rar
- 本源码是基于MCS-51单片机的等精度频率计编写的。输入信号为峰峰值5v的正弦信号，频率测量范围10HZ~100MHZ ，频率测量精度为0.1 。采用1602液晶显示器显示测量结果。信号源由PROTEUS 的虚拟信号发生器产生。,The source is based on the MCS-51 microcontroller and other precision frequency counter prepared. 5v peak to peak input signal is sinus
pinglvji
- 做的等精度频率计，采用等精度测量原理，即利用双计数器“相关计数”和“硬件同步分频”实现高低频率的等精度的测量。用FPGA实现频率测量、周期测量、时间间隔测量、相位测量及脉冲宽度的测量。所有的测量功能都由VHDL语言编程实现。-I do other precision frequency meter, use and other precision measuring principle, namely the use of dual-counter " related counts&qu
counter
- 用Verilog HDL语言实现FPGA的频率等精度测量。（已经过验证）-Using Verilog HDL language, such as FPGA frequency measurement accuracy. (Has already been verified)
cpld11245
- 主要介绍了等精度频率测量原理，该原理具有在整个测试频段内保持高精度频率 测量的优点 同时在该原理基础上，采用了Verilog HDL语言设计了高速的等精度测频 模块，并且利用EDA开发平台QUARTUS11 3 .0对CPLD芯片进行写人，实现了计数等 主要逻辑功能 还使用C语言设计了该等精度频率计的主控程序以提高测量精度。本设 计实现了对频率变化范围较大的信号进行频率测量，能够满足高速度、高精度的测频要 求。-Introduced, such as the accuracy
BasedonCPLDFPGAsuchasthefrequencyaccuracyofthedesi
- 基于CPLD／FPGA的可编程逻辑器件，借助单片机AT89C51；利用标准频率50～100MHz的周期信号实现系统计数的等精度测量技术。同时采用闸门测量技术完成脉宽,占空比的测量。-Based on CPLD/FPGA programmable logic devices, with single-chip microcomputer AT89C51 using a standard 50 ~ 100MHz frequency of the periodic signal, such as c
Precision_frequency_meter
- 此程序是基于c8051f020平台实现的是等精度频率计的测量控制部分，程序可读性高！-This procedure is based on the platform is c8051f020 such as accuracy of measurement of the frequency control part, the program readable!
LowFreCounter
- 实现对低频信号进行等精度测量的频率计verilog hdl代码-Realization of low-frequency signals, such as precision measurement of the frequency code verilog hdl
frequentmeter
- 本设计是基于MCS-51单片机的等精度频率计。输入信号为峰峰值5v的正弦信号，频率测量范围10HZ~100MHZ ，频率测量精度为0.1 。采用1602液晶显示器显示测量结果。信号源由PROTEUS 的虚拟信号发生器产生。-The design is based on the MCS-51 microcontroller, such as frequency meter accuracy. Input signal 5v peak to peak sinusoidal signal, frequ
Test_Plg_18
- 基于FPGA的等精度频率测试仪,测量范围1HZ到100M.已调试成功.采用康芯公司的FPGA开发板,嵌入51内核程序.-FPGA-based test instrument such as the frequency accuracy, measurement range 1HZ to 100M. Has been a successful debugging. Using Kang' s FPGA core development board, embedded in 51 kernel
12
- 用FPGA进行等精度频率和相位差测量的程序，本程序是在EPEC6Q240C8下的程序-Carried out with the FPGA such as the frequency and phase measurement precision of the procedure, this procedure was the procedure under the EPEC6Q240C8
89C51pinlvjiLCD1602
- 本设计是基于MCS-51单片机的等精度频率计。输入信号为峰峰值5v的正弦信号，频率测量范围10HZ~100MHZ ，频率测量精度为0.1 。采用1602液晶显示器显示测量结果。信号源由PROTEUS 的虚拟信号发生器产生-This design is based on the MCS-51 microcontroller and other precision frequency meter. 5v peak to peak input signal is sinusoidal signal,
Frequency_measurement_precision
- 用FPGA实现等精度测频，比一般测量频率准确，这是控制FPGA的VHDL程序，测试过是好的，可以直接下载使用。-Frequency measurement precision
fanzao
- 能实现频率测量 已经验证通过 是等精度频率计-To achieve frequency measurements have been verified by a precision frequency meter, etc.
Measured-phase-shift-FPGA
- 数字频率计是用于测量信号频率的电路。测量信号的频率参数是最常用的测量方法之一。实现频率测量的方法比较多， 在此我们主要介绍三种常用的方法： 时间门限测量法、标准频率比较测量法、等精度测量法-Digital frequency meter is used to measure the frequency of the circuit. Measuring signal frequency parameter is the most common measurement methods. The m
Frequency-counter
- 基于FPGA的频率计设计。通过FPGA运用、 HDL编程，利用FPGA(现场可编程门阵列)芯片设计了一个8位数字式等精度频率计，该频率计的测量范围为0-100MHZ，利用QUARTUS II集成开发环境进行编辑、综合、波形仿真，并下载到CPLD器件中，经实际电路测试，仿真和实验结果表明，该频率计有较高的实用性和可靠性。-Frequency counter FPGA-based design. By using FPGA, VHDL programming, the use of FPGA (fi
等精度数字频率计
- 可以测量1HZ-150MHZ矩形波(其他波形需整形后输入)信号，误差<0.01%，串口输出NC和NX值。(1HZ-150MHZ square wave can be measured (other waveform needs to be shaped after the input) signal, error <0.01%, serial output NC and NX values.)
kese0
- 频率计等精度测量测频测周期测相位 运用Verilog语句 在FPGA(asdsssfdfsdffjtfjtjrtrt)