In engineering project , no matter the vibratory and malfunction inspection of large water wheel generate electricity set and precise machine tool , or engineering project structure vibratory analysis and mode test , earthquake forecast and geologic reconnoitering , all need to use the ulf absolute vibratory transducer to scale and analyze the signal caused when running 在工程上,无论是大型水轮发电机组、精密机床的振动监测和故障诊断,还是工程结构振动分析和模态试验、地震预报与地质勘探,均需要能够检测超低频绝对振动信号的传感器来测量分析它们运行过程中产生的超低频振动信号。
The apparatus , with the specialities such as miniature , automation , flexibility , and individual - computer managing has become the developing trendof the testing equipment today . based on analysis of the characteristic and the system structure of the visual instrument , the paper has studied the design idea of it , put forward the exploiting methods of the visual instrument based on the object - oriented technique , exoatiated on the technique kernel of design the visual instrument under windows environment , designed a typical visual instrument " vis - 1 signal - analyzing and wave - displaying system " , which integrates multi - function instruments such as general oscillograph and ulf oscillograph real - time signal recorder wave and frequency - pedigree analysis instrument . the system has more excellent functions and characteristics than traditional instruments 本文研究了虚拟仪器系统的设计思想，在分析虚拟仪器系统的特点及其体系结构的基础上，提出了基于面向对象技术的虚拟仪器系统开发方法；阐述了windows环境下实现虚拟仪器的技术要点；实现了一个典型的虚拟仪器系统“ vis ? 1信号示波分析系统” ，该系统集普通示波器、超低频示波器、存储示波器、瞬态信号记录仪、波形及频谱分析仪等多种仪器功能于一身，并具有许多传统仪器难以达到的优越功能和性能。
