Agilent Technologies Infiniium 90000 Q-Series, Руководство программиста

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1044 Agilent Infiniium 90000 Series Oscilloscopes Programmer's Reference
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Sample Programs
myScope.DoCommand(":TIMebase:POSition 0.0")
Console.WriteLine("Timebase position: {0}", _
myScope.DoQueryString(":TIMebase:POSition?"))
' Set the acquisition mode.
myScope.DoCommand(":ACQuire:MODE RTIMe")
Console.WriteLine("Acquire mode: {0}", _
myScope.DoQueryString(":ACQuire:MODE?"))
' Or, configure by loading a previously saved setup.
Dim DataArray As Byte()
Dim nBytesWritten As Integer
' Read setup string from file.
strPath = "c:\scope\config\setup.stp"
DataArray = File.ReadAllBytes(strPath)
nBytesWritten = DataArray.Length
' Restore setup string.
myScope.DoCommandIEEEBlock(":SYSTem:SETup", DataArray)
Console.WriteLine("Setup bytes restored: {0}", nBytesWritten)
' Set the desired number of waveform points,
' and capture an acquisition.
myScope.DoCommand(":ACQuire:POINts 32000")
myScope.DoCommand(":DIGitize")
End Sub
' Analyze the captured waveform.
' --------------------------------------------------------------
Private Shared Sub Analyze()
Dim fResult As Double
Dim ResultsArray As Byte() ' Results array.
Dim nLength As Integer ' Number of bytes returned from inst.
Dim strPath As String
' Make measurements.
' ------------------------------------------------------------
myScope.DoCommand(":MEASure:SOURce CHANnel1")
Console.WriteLine("Measure source: {0}", _
myScope.DoQueryString(":MEASure:SOURce?"))
myScope.DoCommand(":MEASure:FREQuency")
fResult = myScope.DoQueryNumber(":MEASure:FREQuency?")
Console.WriteLine("Frequency: {0:F4} kHz", fResult / 1000)
myScope.DoCommand(":MEASure:VAMPlitude")
fResult = myScope.DoQueryNumber(":MEASure:VAMPlitude?")
Console.WriteLine("Vertical amplitude: {0:F2} V", fResult)
' Download the screen image.
' ------------------------------------------------------------