Description: 显示频率测量,外接24MHz晶振,显示数据为三位,分四个档来测量-show frequency measurement, external 24MHz crystal oscillator, the data show that three, four hours to measure stalls Platform: |
Size: 16478 |
Author:李军 |
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Description: 显示频率测量,外接24MHz晶振,显示数据为三位,分四个档来测量-show frequency measurement, external 24MHz crystal oscillator, the data show that three, four hours to measure stalls Platform: |
Size: 16384 |
Author:李军 |
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Description: 高频频率计
最高能测2.4G
单片机用的AT89S52-High-frequency frequency meter to measure the maximum use of 2.4G single-chip AT89S52 Platform: |
Size: 1024 |
Author: |
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Description: 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 used the decimal digital display of measured signals in the frequency, not only to measure sine wave, square wave and triangular wave signals such as frequency, but also to other a variety of physical measurements. Small size, high reliability, low power consumption characteristics. Platform: |
Size: 224256 |
Author:xiaoju |
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Description: Based on the frequency of single-chip design, can measure the number of low-frequency signal Platform: |
Size: 236544 |
Author:潘正勇 |
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Description: 以CPLD器件EPM7128SLC84-15为核心实现的简易数字频率计,采用在一定时间内对数字脉冲计数的方法,可直接测量TTL电平的数字脉冲信号的频率、周期和脉宽。其他一些信号可经过信号预处理电路变换后测量。
量程:1Hz~999999Hz
输入信号:(1)TTL电平数字脉冲信号;(2)方波/正弦波,幅度0.5~5V
显示:七段数码管显示频率(Hz)和周期/脉宽(us)
控制:两个拨码开关切换三种工作模式:测频率,测周期,测脉宽-Frequency Counter realized with Altera EPM7128SLC84-15. It can measure frequecy, cycle and pulse width of TTL sigals. Platform: |
Size: 1053696 |
Author:tom |
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Description: DOS下的基于研华PCL836的采集卡的c测评程序-frequency measure C source code under DOS system based on PCL836 card Platform: |
Size: 1295360 |
Author:szw |
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Description: A circuit to measure Frequency upto 655 KHz with a resolution of ~10 Hz. Uses 8051 controller with 16x2 LCD display as an O/P device. See http://sites.google.com/site/munish4u911ex/Home/8051projects-simulations/8051-freqcounter for hardware connections. Platform: |
Size: 22528 |
Author:munish |
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Description: msp4301611 能准确测频,测频范围0~32768hz-msp4301611 accurate frequency measurement, frequency measurement range of 0 ~ 32768hz Platform: |
Size: 1024 |
Author:何少 |
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Description: 用verilog实现数字频率计的设计,具有自动换挡功能,采用t法和m法设计,低频显示周期。量程为0.5~10Mhz。开发环境为quartus-This is a method of designing a digital frequency-measuring device. It can measure frequency ranging from 0.5Hz to 10MHz. It is developed in the program of Quartus. Platform: |
Size: 492544 |
Author:孙岩 |
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Description: 测量频率的方法有多种,其中电子计数器测量频率具有精度高、使用方便、测量迅速,以及便于实现测量过程自动化等优点,是频率测量的重要手段之一。-Measuring the frequency of means, including electronic counter to measure frequencies with high precision, easy to use, fast measurement and easy to realize the advantages of automated measurement process is an important means of frequency measurement. Platform: |
Size: 14336 |
Author:wangzhen |
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Description: 这是利用FPGA来测量频率的,利用等精度测量的方法进行的,然后把数据传到单片机上显示出来。-This is used to measure the frequency of the FPGA, using methods such as precision measurement, and then transmitted the data displayed on the chip. Platform: |
Size: 406528 |
Author:yhh |
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Description: 从51单片机T0口输入方波信号,用数码管显示方波频率-51 port MCU T0 input square wave signal with a digital display of square wave frequency Platform: |
Size: 1024 |
Author:张斌 |
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Description: 用430单片机测量频率,等精度法。用两个定时器,实现高精度测量。-MCU with 430 measurement frequency, and other precision method. With two timers, high precision measurements. Platform: |
Size: 265216 |
Author:熊吉 |
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