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在电子技术中，频率是最基本的参数之一，又与许多电参量的测量方案、测量结果都有十分密切的关系，因此频率的测量就显得更为重要。测量频率的方法有多种,其中电子计数器测...
在电子技术中，频率是最基本的参数之一，又与许多电参量的测量方案、测量结果都有十分密切的关系，因此频率的测量就显得更为重要。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。在本次毕业设计中我们选择使用单片机来制作数字频率计，并在实际制作中采用了直接测频法。利用延时产生的时基门控信号来控制闸门，通过在单位时间内计数器记录下的脉冲个数计算出输入信号的频率，最终送入LCD中显示。这样制作出来的频率计不仅可以满足设计题目的参数要求，而且具有了单片机的稳定性和成熟性，且控制能力强，是一种低成本，高可靠的设计方案。-In electronic technology, the frequency is one of the most basic parameters, but also with a number of electrical parameters of the measurement program, the measurement results have a very close relationship between the frequency of measurement, therefore it is even more important. Measurement of the frequency of a number of means, electronic measurement of the frequency counter with high precision, easy to use, rapid measurement, and measurement is easy to realize the advantages of process automation is an important means of measuring the frequency of one. Graduates in this design we have chosen to make use of single-chip digital frequency meter, and used in the actual production of a direct
- 2022-04-18 19:56:54下载
- 积分：1
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LabVIEW
基于LabVIEW的单片机串行通信控制接口设计，接口设计，详细说明
- 2022-03-24 11:53:26下载
- 积分：1
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模糊pid控制及其matlab仿真，论文，控制
模糊pid控制及其matlab仿真，论文，控制-Matlab fuzzy pid control and its simulation, paper, control
- 2023-08-26 03:55:03下载
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基于8051单片机的数控电源设计方案
基于8051单片机的数控电源设计方案-8051 NC-based power supply design program! ! ! ! ! ! ! ! ! ! ! ! ! ! !
- 2022-04-07 18:55:26下载
- 积分：1
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theory and computer interface technology curriculum design traffic lights proced...
微机原理及接口技术课程设计交通灯程序，多段代码整理-theory and computer interface technology curriculum design traffic lights procedures and code of finishing
- 2022-07-23 06:27:41下载
- 积分：1
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恒丰瑞克2410开发板的电路板原理图，对做嵌入式硬件设计的朋友有一定的参考价值。...
恒丰瑞克2410开发板的电路板原理图，对做嵌入式硬件设计的朋友有一定的参考价值。-hfrk2410 development board circuit schematics, would be a good reference for those who makes hardware design for embedded system.
- 2023-07-21 00:00:03下载
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The design of digital frequency meter can be divided into measurement and displa...
数字频率计的设计可以分为测量计数和显示。其测量的基本原理是计算一定时间内待测信号的脉冲个数，这就要求由分频器产生标准闸门时间信号，计数器记录脉冲个数，由控制器对闸门信号进行选择，并对计数器使能断进行同步控制。控制器根据闸门信号确定最佳量程。-The design of digital frequency meter can be divided into measurement and display count. The basic principle of its measurement is calculated under test signal within a certain period of time the number of pulses, which have a standard requirement by the divider gate time signal pulse counter records the number of signals from the controller to choose the gates and counters to make off synchronous control can be carried out.Controller based on the gate signal to determine the optimum range.
- 2022-07-05 10:34:03下载
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一个利用mapx和vc开发车载定位系统的研究，文中详细介绍了车载系统设计方案及mapx相关函数的介绍...
一个利用mapx和vc开发车载定位系统的研究，文中详细介绍了车载系统设计方案及mapx相关函数的介绍-A use of MapX and vc-board positioning system to develop research, the article detailed the design of automotive systems and MapX correlation function introduced
- 2023-04-05 14:15:04下载
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介绍单向风扇的自启动问题，通过阅读了解风扇自启动的一种方法，本篇为英文资料...
介绍单向风扇的自启动问题，通过阅读了解风扇自启动的一种方法，本篇为英文资料-Introduce a one-way fan since the launch of the issue, by reading about fan since the launch of a method in this release for information in English
- 2023-09-07 21:45:05下载
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ECG amplifier and good filter circuit
ECG amplifier and good filter circuit
- 2022-07-25 04:03:02下载
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