CAN总线两端加终端电阻 在RS485组网过程中另一个需要主意的问题是终端负载电阻问题,在设备少距离短的情况下不加终端负载电阻整个网络能很好的工作但随着距离的增加性能将降低。理论上,在每个接收数据信号的中点进行采样时,只要反射信号在开始采样时衰减到足够低就可以不考虑匹配。但这在实际上难以掌握,美国MAXIM公司有篇文章提到一
测力计系统测试程序labview ThissetupconsistsofanElectricDynamometerwhichappliesaloadtotheUnitUnderTest(engine).TheElectricDynoiscontrolledusingananalogoutputsignalwhichisamplifi
USB视频捕捉程序labview provide simple uses of the webcam library are included in the zip file. Once the library has been installed, the examples can be accessed through the