虛擬儀器及Labview編程_8.ppt

1、LV Basics I 1,虛擬儀器及LabVIEW編程技術(shù)Virtual Instrument & LabVIEW Programming主講：高天德西北工業(yè)大學航海學院,LV Basics I 2,NI ELVIS,The NI ELVIS environment consists of the hardware workspace for building circuits and interfacing experiments, and the NI ELVIS software. The NI ELVIS software, all created in LabVIEW has tw

2、o main types: the soft front panel (SFP) instruments and a LabVIEW API, which are just additional LabVIEW VIs for custom control and access to the features of the NI ELVIS benchtop workstation.,LV Basics I 3,NI Data Acquisition Board,Workstation and Proto-board,Mechatronics,Circuits,Control Design,C

3、ommunications,Instrumentation,Signal Processing,NI ELVIS (Educational Laboratory Virtual Instrumentation Suite),NI ELVIS is,LV Basics I 4,硬件組成,LV Basics I 5,硬件組成,Workstation Variable power supplies and Function Generator Programmatic or Manual control Independent of DAQ board 15 VDC and 5 VDC DMM an

4、d Scope inputs Short-circuit and overvoltage protection board inside Prototyping board Removable 3-ring binder holes User-defined Banana, BNC, D-sub connectors,LV Basics I 6,硬件組成,LV Basics I 7,軟件組成,LV Basics I 8,LV Basics I 9,實驗內(nèi)容,實驗一、熟悉NI ElVIS實驗平臺 1、數(shù)字萬用表(DMM) 2、練習用DMM來測量電壓 3、練習用DMM來測量電流 4、用DMM來觀測RC電路的充放電實驗 實驗二、用NI ELVIS分析運算放大器的功能 1、測量反相放大器和同相放大器的增益 2、測量濾波器的頻率響應 3、測試不同類型的濾波器的幅頻響應、相頻響應 4、用阻抗分析儀進行阻抗測量,LV Basics I 10,RC充放電實驗,LV Basics I 11,實驗報告要求