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采用测频法的频率计设计与实现,源码用MEGA16调试,ICCAVR开发环境-Frequency measurement method using the frequency meter design and implementation of source code with MEGA16 debugging, ICCAVR Development Environment
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测频功能的函数信号发生器,详细的介绍。熟悉示波器、信号发生器、稳压电源及晶体管毫伏表的正确使用,重点要求学会使用示波器观测信号波形、幅值、占空比及放大器的频响特性。-A function of frequency measurement function signal generator
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单片机的自动量程转换频率计和存储示波器设计,经实验,效果理想,能实现1Hz~50MHz间的频率测量,同时显示信号周期,4档量程(精度),能实现1Hz~15KHz间的信号波形实时显示,采样速率120KHz,存储深度128B,还能对任何红外编码发射器码型进行破解。
-SCM automatic range switching frequency meter and storage oscilloscope design, by the experiments, satisfactory resu
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毕业论文对于频率的测量,常用的方法有直接测频法和测周法.直接测频法是通过测量标准闸门时间内待测信号的脉冲数而计算出待测信号频率的,由于闸门时间通常不是待测信号周期的整数倍,因此存在最大±1的待测信号脉冲误差,只能在信号频率较高时采用 测周法是通过测量待测信号的周期并求其倒数而求得其频率的,在待测信号的一个周期内也存在最大±1的标准信号脉冲误差,只能在信号频率较低时采用.这两种频率测量方法都存在局限性,并难以实现宽频带、高精度测量-Thesis for the frequency of measu
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此为使用周立功ARM1138编的音频分析仪的代码,主要包括FFT运算、测频校正算法、以周立功TFT液晶LTM024D130的驱动文件为基础编的LCD显示的用户界面,使用的IAR V5.11(32KB限制)下进行编程-This is audio analyzer code based on the ZLG ARM1138, mainly including FFT operation, frequency measurement correction algorithm and LCD displ
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keil开发的基于51单片机的测频程序,能实现用按键设置测脉冲的阀门时间。-keil the development of microcontroller-based frequency measurement 51 procedures to achieve with the buttons to set the valve pulse time measurement.
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在keil编辑环境下完成了等精度频率的测量,该程序的硬件平台是用at89C52单片机和CPLD(epm7128slc84)以及液晶组成-In the keil completed the editing environment such as precision frequency measurement, the program' s hardware platform is at89C52 MCU and CPLD (epm7128slc84), as well as liquid c
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利用MSPd30F149 单片机和AIM21电流环芯片,通过简单的压频转换(多谐振荡器)电路实现了基于电客式差压
传感器的智能差压变送器设计。该设计的特点是利用压频转换电路取代了A/D模块,以极低的产品价格达到了较高的
系统测量精度。采用软件与硬件相结合的信号处理技术,实现了基于HART协议现场总线技术的差压模拟量的测量,通
过进一步采用CPLD器件的量化延时测频技术,将可以达到比传统A/D器件更高的压力测量精度。智能差压变送器;HART协议现场总线;MSP430F149;AIM21
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89s52单片机设计的具有小信号频率检测(小幅度模拟信号频率测量)功能和自动换挡测量功能的最低测量频率1Hz最高测量频率达到10MHz的频率计的ceil环境汇编语言编写的单片机程序(附频率计的protel设计原理图)-89s52 microcontroller designed with the small-signal frequency detection (small amplitude analog signal frequency measurement) functions and
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HC4024频率计数器利用PCA捕捉波形,进行频率测量-HC4024 frequency counter the use of PCA to capture waveforms, for frequency measurement
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利用单片机C8051F,频率计数芯片HC4024进行频率测量,PCA捕捉-The use of microcomputer C8051F, frequency count chips HC4024 for frequency measurement, PCA Capture
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Frequency measurement circuit
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测频程序 C51 Verilog HDL-Frequency Measurement
C51 Verilog HDL
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测量T0(P3.4)引脚上的输入脉冲的频率-Measurement T0 (P3.4) pin on the input pulse frequency
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用mcs-52系列单片机实现等精度频率测量,T1引脚接被测TTL信号,晶振22.1184MHz,对任何频率都可以实现很高精度的测量(精度<1 ),结果从串口字符串输出,波特率115200,可以用串口调试器观察结果.-With mcs-52 family of single chip and other precision frequency measurement, T1 pin then measured TTL signal, Crystal 22.1184MHz, any frequ
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频率计,通过单片机 CPLD共同实现对输入方波信号测频率,测量范围1—10Mhz,带数码管译码显示-Frequency counter, through the joint realization of single chip CPLD input square wave signal measured on the frequency, measurement range 1-10Mhz, with a digital display control decoding
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Verilog写的相检宽带测频的IP及文档。-Verilog of frequency measurement
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系统的核心电路由FPGA完成,本设计选用了Altera公司的EPlKl00QC208-3芯片,用VHDL语言对它进行设计,实现8位数字频率测量-Core of the system completed the circuit from the FPGA, the design selected Altera' s EPlKl00QC208-3 chip design using VHDL language to it, to achieve 8-bit digital frequency
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对方波进行测频 然后产生同频率的正弦发生器-Frequency measurement with the frequency of the sine generator produces
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8位频率计数器,以软件实现频率测量的功能-8-bit frequency counter to frequency measurement software features
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