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Performing measurement tasks - programming examples

R&S

NRPxxP

120User Manual 1179.5760.02 ─ 02

9 Performing measurement tasks - program-

ming examples

If you install the optional software development kit (SDK) of the R&S NRP Toolkit, pro-

gramming examples are provided. See Chapter 5.1, "R&S NRP Toolkit", on page 20.

Under Windows, these examples are installed under:

C:\ProgramData\Rohde-Schwarz\NRP-Toolkit-SDK\examples

This chapter gives programming examples for measurement tasks performed with the

NRP power sensors.

9.1 Performing the simplest measurement

The simplest way to obtain a result is to use the following sequence of commands:

*RST

INITiate

FETCh?

The *RST sets the continuous average mode.

INITiate initiates the measurement.

After *RST, the trigger system is set to TRIGger:SOURce IMMediate. That means

the power sensor starts measuring when the measurement is started without waiting

for a trigger condition.

After the measurement has been completed, FETCh<Sensor>[:SCALar][:

POWer][:AVG]? delivers the result to the output queue from which it can be fetched.

9.2 Performing a buffered continuous average measure-

ment

This example, written in pseudo code, shows how to set up and execute a buffered

continuous average measurement.

//Select whether using

// 'BUS Trigger' --> true

// or 'EXT Trigger' --> false

bool bUseBUSTrigger = true;

// Use the first NRP series sensor which is found

if ( VI_SUCCESS == SENSOR.openFirstNrpSensor( "USB?::0X0AAD::?*::INSTR" ) )

{

//Start with a clean state

SENSOR.write( "*RST" );

Performing a buffered continuous average measurement

R&S NRP P Series User Manual

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