| 低频噪声发生器的设计与实现 |
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| 引用本文： | 陈蔚.低频噪声发生器的设计与实现[J].现代电子技术,2006,29(6):34-36. |
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| 作者姓名： | 陈蔚 |
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| 作者单位： | 南华大学,电气工程学院,湖南,衡阳,421001 |
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| 摘 要： | 由于低频噪声的随机性、复杂性,采用了PC机和PIC单片机2部分组成低频噪声发生器。只需用户拖动鼠标绘制一个噪声波形,就可输出此噪声波形。介绍了该发生器的软、硬件设计,给出了具体的实现方法。特别是在VB开发环境下,运用VB提供的通讯控件实现PC机与PIC单片机之间串行通信的方法,以及为保证通讯的正确性和可靠性,系统采用的各种校验方法。整机系统稳定性高,使用方便灵活,满足了科研、实验教学中对各种低频噪声信号的要求。
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| 关 键 词： | 低频噪声 PIC单片机 串行通信 VB |
| 文章编号： | 1004-373X（2006）06-034-03 |
| 收稿时间： | 2005-09-23 |
| 修稿时间： | 2005年9月23日 |
Design and Realization of Low Frequency Noise Generator |
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| CHEN Wei.Design and Realization of Low Frequency Noise Generator[J].Modern Electronic Technique,2006,29(6):34-36. |
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| Authors: | CHEN Wei |
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| Affiliation: | College of Electrical Engineering, Nanhua University, Hengyang,421001, China |
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| Abstract: | Because of randomness and complexity of the low frequency noise,the low frequency noise generator consists of PC and PIC single chip microcomputer.The generator can output what have drawed just dragging the mouse by customer.This paper introduces the software and hardware design of the generator.The method to access is discussed in detail,especially how to realize the serial communication between PC and PIC single chip microcomputer by utilizing MSComm control box of VB.To ensure the correction and reliability of the communication,the check method is also discussed.This generator can provide various low frequency noise signal which is needed in the course of experiment. |
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| Keywords: | low frequency noise PIC single chip microcomputer serial communication VB |
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