任意信号发生器系统设计

Design of Arbitrary Signal Generator System

相比较普通信号发生器,任意信号发生器在可扩展性、波形灵活输入通道数等方面具有优势,是信号发生领域的一个重要方向。为了有效模拟井下复杂环境下电子仪器产生的信号,本文设计任意信号发生器系统,采用上位机结合下位机的方法可以完成信号的自适应闭环控制。通过研究信号产生原理、信号输出自适应原理等,完成硬件框架搭建与软件程序设计。实验结果表明,该系统具有产生任意信号波形的能力,系统稳定性高,易于调整,能够达到预期效果,在工程设计中可以方便地用于仿真模拟设计。

Compared with the ordinary signal generator,arbitrary signal generator has advantages in scalability,flexible waveform transmission,channel number and so on.It is an important direction in the field of signal generation.In order to effectively simulate signals generated by electronic instruments in complex downhole environment,this paper designs arbitrary signal generator system,which can complete the adaptive closed-loop control of signals by combining the upper computer with the lower computer.By studying the principle of signal generation and self-adaptive principle of signal output,the hardware framework is built and the software program is designed.Experimental results show that the system has the ability to generate arbitrary signal waveform,the system is stable,easy to adjust,can achieve the desired effect,can be conveniently used in engineering design simulation design.