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In-class demonstration experiments give the real time validation or illumination about conceptual theory, especially in the science and engineering teaching progress of undergraduate education. This paper discusses the development and application of an new apparatus based on virtual instrument for in-class experiments demonstrations when the lecture topics need electronic test process. The apparatus...
An electronic automatic transmission test data acquisition system, which makes use of American NI's data acquisition card and CAN card, is designed based on Virtual Instrument. The data can be collected by the data acquisition system include automatic transmission oil pressure, solenoid duty ratio, as well as CAN message issued by automatic transmission and engine control unit. The key problems of...
Identification of modal parameters using orthogonal polynomials possesses high precision. In the paper, a new approach is proposed in using virtual instrument for identification of the natural characteristics which are the mode frequency, mode damping and mode shapes of a mechanical structure. A multiple-input modal identification method in the frequency domain is discussed. The frequency response...
Based on the design concept of virtual instrument and the design method of function modulation, using PC machine and data acquisition card as hardware system, proposed a design of sewage multi-parameter online monitoring system which based on application program platform of Lab VIEW. The system has friendly human-machine interface, the function is comprehensive and it is easy to operate. It has achieved...
The choice of algorithms and the hydrophone array is the key of getting high precision in underwater targets detection. Using LabVIEW and 8 channel data acquisition card the underwater targets noise was gathered. Based on the MATLAB, the algorithms of underwater targets estimation have been confirmed. The water tank experiments have shown that this system can realize to acoustic signal gathering,...
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