虚拟仪器及Labview编程_8.ppt

1、LV Basics I 1,虚拟仪器及LabVIEW编程技术Virtual Instrument & LabVIEW Programming主讲：高天德西北工业大学航海学院,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,硬件组成,LV Basics I 5,硬件组成,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,硬件组成,LV Basics I 7,软件组成,LV Basics I 8,LV Basics I 9,实验内容,实验一、熟悉NI ElVIS实验平台 1、数字万用表(DMM) 2、练习用DMM来测量电压 3、练习用DMM来测量电流 4、用DMM来观测RC电路的充放电实验 实验二、用NI ELVIS分析运算放大器的功能 1、测量反相放大器和同相放大器的增益 2、测量滤波器的频率响应 3、测试不同类型的滤波器的幅频响应、相频响应 4、用阻抗分析仪进行阻抗测量,LV Basics I 10,RC充放电实验,LV Basics I 11,实验报告要求