RFmxPulse_FetchAmplitudeTrace
- Updated2024-10-14
- 1 minute(s) read
RFmxPulse_FetchAmplitudeTrace
int32 __stdcall RFmxPulse_FetchAmplitudeTrace (niRFmxInstrHandle instrumentHandle, char selectorString[], float64 timeout, float64* x0, float64* dx, float32 amplitude[], int32 arraySize, int32* actualArraySize);
Purpose
Fetches the amplitude trace of the selected pulse.
Parameters
| Input | ||
| Name | Type | Description |
| instrumentHandle | niRFmxInstrHandle | Specifies the instrument session. The RFmx driver obtains this parameter from the RFmxPulse_Initialize function. |
| selectorString | char[] | Specifies a selector string comprising of the signal name and result name. If you do not specify the signal name, the default signal instance is used. If you do not specify the result name, the default result instance is used. Example: "" "signal::sig1" "result::r1" "signal::sig1/result::r1" |
| timeout | float64 | Specifies the timeout, in seconds, for fetching the specified measurement. Set this value to an appropriate time, longer than expected for fetching the measurement. A value of -1 specifies that the function waits until the measurement is complete. |
| arraySize | int32 | Specifies the size of the array. Set the arraySize parameter to 0 to get the size of all the arrays in the actualArraySize parameter. |
| Output | ||
| Name | Type | Description |
| x0 | float64* | Returns the start time, in seconds. |
| dx | float64* | Returns the sample duration, in seconds. |
| amplitude | float32[] | Returns the amplitude, in dBm. |
| actualArraySize | int32* | Returns the actual size of the array, if you pass NULL to all output array parameters, and set the arraySize parameter to 0. |
Return Value
| Name | Type | Description |