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chacha
- 单片机完成两个功能:电机测速与频率测量,电机测速部分:单片机输出脉宽可调的方波控制电机速度,同时数码管显示电机的速度值。频率计部分:单片机完成对外部信号频率的测量,测量范围从2hz到10mhz,并通过数码管显示频率值。-MCU to complete two functions: motor speed and frequency measurement, the motor speed parts: the microcontroller output square wave pulse wi
highpowerpulsemicrowavesources
- 随着科学技术的发展,尤其是大功率微波技术的发展,大功率脉冲微波信号 源应用越来越广泛,这样对功率和频率测量设备的要求也越来越高。目前,现有大 功率微波功率计体积大,价格高,无法测量大功率脉冲微波信号的频率,并且功率、 频率测量仪器相互独立。因此,研制功率和频率测量统一于一体的,低成本、小体 积且使用方便的便携式大功率脉冲微波仪器具有十分重要的意义。 -high power pulse microwave sources
Frequency-meter
- 基于51单片机的频率计源程序 在keil3环境下编译 可以拓展为电容,电感和电阻的测量。-51 microcontroller based frequency counter source can be compiled under the keil3 expanded to capacitance, inductance and resistance measurements.
ICevice
- ICP光源中频率测量装置的设计ICP source design of the frequency measuring device-ICP source design of the frequency measuring device
FREQV3
- 以AT89C51单片机为控制器件的频率测量方法,它以测量周期的方法对正弦波、方波、三角波的频率进行自动的测量。 设计一个频率计系统,频率在6位数码管上进行显示,如下图。从左到右依次为频率的十万位、万位、千位、百位、十位、个位。 -include"reg51.h" #define Disp_Addr P2 #define Disp_Data P0 typedef unsigned char BYTE typedef unsigned
weijijiekou
- 设计一个频率测量仪,要求可测被测信号的频率并将转速值在四个LED上现实出来,用8253采样点电动机产生的转速脉冲测频率。 为微机接口课程设计,成绩中等。-Design a frequency meter, required frequency of the signal can be measured and the value of speed out of the four LED on the reality, with 8253 sample points generated by
rement
- 声表面波CO气体传感器高精度频率测量rement-SAW CO gas sensor of high accuracy frequency measurement
frequency_test_avr
- AVR做的频率计,基ucOS2操作系统.测频范围 10Hz-60 Khz。测量精度高,范围大。-AVR to do the frequency, the operating system based ucOS2,welcome to read when you are studying AVR microcpu.
xhce
- 此为电子设计与制作试题,为信号发生及频率测量仪-This is the electronic design and production of papers, for the signal and frequency measuring instrument
456
- 便携式精密频率测量设备设计Portable Precision Frequency Measurement Equipment Design-Portable Precision Frequency Measurement Equipment Design
pinlvji
- 自己编的一个频率计,verilog语言写的,用数码管显示方波的频率,测量量程是0.1hz~9999999hz,测方波的稳定性极高。-Their series a frequency counter, verilog language written with the digital display of the square wave frequency, measurement range is 0.1hz ~ 9999999hz, high stability of the square w
main
- 交流,市电,电压、频率测量 ATmega16单片机 C语言-failed to translate
cisio
- CPLD与DSP的高精度自适应频率测量方法的实现-CPLD and DSP adaptive frequency measurement precision Research and Implementation
pinlvji
- 频率测量电路的设计与实现。采用multisim进行仿真。电路性能指标:四位数字式显示,1HZ测量精度。 -Frequency measurement circuit design and implementation. Simulation using multisim. Circuit performance: four digital display, 1HZ measurement accuracy.
PINLVJI-(2)
- 1、基本要求: (1)频率测量 测量范围:1HZ~1MHZ,信号为方波、正弦波;幅度为0.1V~5V; 测量误差: 0.1 (以NFC—10A为准)。 (2)周期测量 测量范围:1HZ~1MHZ,信号为方波、正弦波;幅度为0.1V~5V; 测量误差:, 0.1 (以NFC—10A为准)。 (3)脉冲宽度测量: 测量范围:脉冲宽度不超过100μS,信号为脉冲波,幅度为0.1V~5V; 测量误差: 0.1 。 -failed to translate
digital-frequency-meter
- 数字频率计的设计,1.频率测量范围:1Hz—9999Hz。 2.数字显示位数:4位数字显示。3.被测信号幅度Ui=0.5—5V(正弦波、三角波、方波)。4.测量时间:t≤1.5S-The design of digital frequency meter, 1. Frequency Range: 1Hz-9999Hz. 2. Digital Display digits: 4-digit display. 3. The measured signal amplitude Ui = 0.5-5
instance_f_meter
- 用元件例化的方法实现了频率计的设计,采用的是Verilog语言,实现了较准确的频率测量的功能,最高测量频率可以达到50M左右。-Case of the method of components to achieve a frequency meter design, the use of the Verilog language, to achieve a more accurate frequency measurement function, the maximum measurement
wolegequ
- 基于MEGA16的频率测量仪,精度高,可测范围广-Measuring instrument based on the frequency of MEGA16, high accuracy, can measure a wide range of
pinlvji
- 基于单片机的频率测量 c语言版 基于AT89S51 比较简易-Microcontroller-based frequency measurement of c-language version based on relatively simple AT89S51
CFCT
- 基于单片机的频率测量(自动转换测周法和测评法)量程16——9990HZ-Microcontroller-based frequency measurement (measured weekly automatic conversion method and evaluation method) range 16- 9990HZ