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有用C程序
- 自编的一些实用8279显示程序及DAC0832波形产生程序，低频相位测量仪设计及相关程序-self-programming pratical programs which includes: - 8279 displaying - DAC0832 wave generating - Low-frequency-phase meter designing - others related
es_mutil_meters_with_m128
- 基于MEGA128的多功能仪器,提供以下9种功能： 1. 2路0-10 VDC 电压表 2. 1路0-30V DC 电压表，带有一个10X跳针，可以测试0-300VDC 3. 0 – 3 安电流表 4. 4 通道逻辑分析仪 5. 频率发生器，50%占空比方波，0－5VDC，1HZ到8MHZ. 6. 波形发生器，正弦波、三角波、方波，1HZ 到 20＋MHZ? 7. 频率计 8. +5 VDC ，200 mA
dpjplj
- 本单片机设计的数字频率计 能够准确测量频率为1HZ-15MHZ，适用为方波，三角波及正弦波，可在人为的 用拨位开关在测量周期，频率及占空比之间转换，频率精度为1HZ，周期精度为 0．1微秒，占空比计时精度为0.1微秒。 -microcontroller design of the digital frequency meter can be accurately measured frequency 1HZ - 15MHZ. apply for the square, triangl
kdtele3
- Make and answer phone calls Detect tone and pulse digit from the phone line Capture Caller ID Support blind transfer, single-step transfer/conference, consultation transfer/conference, hold, unhold. Control of the local phone handset
电子线路实验报告
- 设计一数字 频率计，其技术要求如下： (1) 测量频率范围：1Hz~100kHz。 (2) 准确度Dfx/fx£ ± 2%。 (3) 测量信号：方波，峰峰值为3V~5V。-design a figure frequency meter, the technical requirements are as follows : (a) measuring frequency range : 1Hz - 100kHz. (2) the accuracy Dfx / fxpound 2%. (
frequency-meter
- 基于msp430g2553的频率计， 测频波形：尽可能使50 占空比的矩形波 测频幅度范围：尽可能取 0~3.6V-Based frequency meter of msp430g2553, measured frequency waveform: as much as possible so that the 50 duty cycle of the square wave frequency measurement amplitude range: as much as possi
ADMixer_Meter
- 显示wave文件播放时声音的序列-Displaying the array of play of wave file
51pinlu
- 51构成一个频率计，可以测正弦波、三角波、脉冲波周期，四位数码显示-51 constitutes a frequency meter can be measured sine wave, triangle wave, pulse wave cycle, four digital display
shuzipinlvji
- 本数字频率计将采用定时、计数的方法测量频率，采用一个1602A LCD显示器动态显示6位数。测量范围从1Hz—10kHz的正弦波、方波、三角波，时基宽度为1us,10us,100us,1ms。用单片机实现自动测量功能。-This digital frequency meter will use fixed time, the counting method survey frequency, uses 1602The LCD monitor dynamic to demonstrate 6 fi
frequency
- 简易数字频率计： 1、频率计的测频范围为1Hz～10KHz，被测量的信号为TTL逻辑的标准方波信号；2、为提高测量精度，采用计数法（≥1000Hz）和测周法（＜1000Hz）相结合的方法进行测量；3、显示器采用6位七段数码管，显示器的无效零应消隐。信号≥1000Hz时不显示小数点，信号＜1000Hz时显示小数，小数点后取两位。 -Simple digital frequency meter: 1, frequency of measurement frequency range of 1
sdfdf
- 设计并制作一台数字显示的简易频率计。 （二）要求 1.基本要求 (1)频率测量 a.测量范围 信号：方波、正弦波 幅度：0.5V～5V[注] 频率：1Hz～1MHz b.测试误差≤0.1 (2)周期测量 a.测量范围 信号：方波、正弦波 幅度：0.5V～5V[注] 频率：1Hz～1MHz b.测试误差≤0.1 键盘从上到下，从左到有依次为： 1 2 3 4 5 6 7 8 9 0 .
xinhao111
- 能够产生正弦波、方波、三角波。同时还可以作为频率计测频率。函数信号的产生由MAX038和外围电路完成，能产生1Hz—20MHz的波形。波形选择由单片机完成。输出或输入频率经74HC390分频后，由单片机完成自动频率检测显示-Capable of producing sine, square, triangle wave. At the same time can also be measured as a frequency meter frequency. Function signal ge
AD
- AD使用技巧及AD0832的应用包括制作数字电压表，产生锯齿波等-AD using skill and AD0832 applications including the production of digital voltage meter, resulting in sawtooth wave, etc.
C8051F-MCU-based-non-sine-wave-power-Meter
- C8051F MCU-based non-sine wave power Meter C8051F MCU-based non-sine wave power Meter-C8051F MCU-based non-sine wave power Meter
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
Frequency-meter
- 单片机自带定时器实现，测量1Hz—200Hz的方波频率，误差小于1Hz -Single chip microcomputer with timer, measurement of 1Hz- 200Hz square wave frequency, error is less than 1Hz
frequency-meter
- 设计频率计：要求用单片机自带定时器实现，测量1Hz—200Hz的方波频率，误差小于1Hz 2、设计方波信号发生器：要求方波信号的频率在500Hz—5000Hz内可调，方波信号的占空比可调 3、完成符合学校要求的设计说明书-Design of frequency meter: requirements MCU with timer, measurement of 1Hz- 200Hz square wave frequency, error is less than1HzIn 2,
Frequency-meter-design.docx
- 1用P1或P3口，产生一方波信号，频率为1000Hz，用LCD显示频率和周期 2将输出信号输入到另一端口作频率计的信号输入端，测量此方波信号的频率、周期和脉宽，在另一LCD上将参数值显示出来。 3设置一功能键，能将当前LCD上的信号值锁定 -P1 or port P3, resulting in a party wave signal, a frequency of 1000Hz LCD displays frequency and cycle 2 output signal i
Design-of-a---frequency-meter
- 频率计主要用于测量正弦波、矩形波、三角波和尖脉冲等周期信号的频率值。其扩展功能可以测量信号的周期和脉冲宽度。-Frequency meter is mainly used to measure the sine wave, square wave, triangle wave and sharp pulse frequency value. The extension period measurement signal and pulse width.
Frequency-meter
- 数显频率计电路，能够测量10Hz至10KHz的方波信号的频率，峰值5V，数码管显示被测信号的频率。-Digital frequency meter circuit can measure the frequency of the square wave signal of 10Hz to 10KHz, the peak 5V, digital display frequency of the signal.