"基于LABVIEW的虚拟仪器信号发生器设计与实践"

The document "Design of Signal Generator Based on LABVIEW [Professional Thesis] .doc; Design of Signal Generator Based on LABVIEW [Professional Thesis] .doc; Design of Signal Generator Based on Virtual Instrument" explores the integration of instrument technology, computer technology, bus technology, and software technology in virtual instruments. It utilizes the powerful digital processing capabilities of computers to achieve most functions of instruments, breaking the framework of traditional instruments and forming a new instrument mode. The design utilizes the USB6211 data acquisition card and virtual instrument technology in the design of the signal generator. This system has the capability to generate sine waves, square waves, triangle waves, sawtooth waves, and PWM waves. The document first outlines the development and trends of signal generators and virtual instrument technology both domestically and internationally. It then introduces the relevant theories of signal generators, provides a basic principle diagram of signal generators, and discusses the bus of virtual instruments, its standards, framework structure, and the LABVIEW development platform. Based on the analysis of the functional requirements of the system, the document introduces the hardware and technologies involved in the design such as the data acquisition card, LABVIEW programming mode, etc. This design is an attempt to simulate real instruments with virtual instruments. In practice, virtual instruments have proven to be an excellent solution that can achieve various tasks that hardware can accomplish.【Keywords】Virtual Instrument, Data Acquisition Card, Signal Generator, LABVIEW.