Considering the analysis of the system and function,a high-speed realtime signal processing system based on the virtual instrument bus is expounded, which ensures the system of electromagnetic compatibility and high-speed data transmission characteristics.

Based on the inverse repeat pseudo-random binary sequence and the advanced VXI bus virtual instrument,the dynamic characteristics of the hydraulic servo valve were tested,which shows its vality and accuracy.

An analysis is made of the conventional fiber optic networking mode in the distribution automation communication system and the data optic terminals networking mode based on the virtual bus technology followed by a comparison between the two.

According to the hiberarchy of communication,a virtual bus simulating verification environment is put forward based on theoretical analysis of the two existing simulating verification environment schemes,the usage of three schemes in different verification phases is discussed and comparisons among them are made.

Application of the weft detector using virtual instrument technology;

The research of online measurement and control system for high accurate vertical metal band saw machine based on the virtual instrument;

Development of the temperature and humidity instrument for clothing measurement based on virtual instrument;

Measure and analyze the mechanical capability of the looms on the technique of virtual instruments;

The application of virtual instruments technique in U-H_2 experimental system;

The System of Waste Water Neutrlization Based on Virtual Instruments;

Study on printing quality checking based on virtual instrumentation;

Cohesion testing system based on virtual instrumentation;

Research on railway signal real time analyzer based on virtual instrumentation;