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RIGOL Chapter 2 Command System
2-92 DSA800 Programming Guide
:READ:CHPower:DENSity?
Syntax
:READ:CHPower:DENSity?
Description
Execute a channel power measurement and return the channel power spectral density.
Explanation
The power unit of the return value is the same with the current Y-axis unit.
This command will select data from the latest measurement results and transmit the data to the output
buffer.
Return Format
The query returns the channel power spectral density in scientific notation. For example, -7.900511E+01.
:READ:CNRatio?
Syntax
:READ:CNRatio?
Description
Execute a C/N ratio measurement and return the measurement results.
Explanation
The power unit of the return values is the same with the current Y-axis unit.
This command will select data from the latest measurement results and transmit the data to the output
buffer.
Return Format
The query returns the carrier power, noise power and C/N ratio (in dB) in scientific notation (separated by
commas).
For example, -6.048788E+01,-6.186192E+01,1.374039E+00.
:READ:CNRatio:CARRier?
Syntax
:READ:CNRatio:CARRier?
Description
Execute a C/N ratio measurement and return the carrier power.
Explanation
The power unit of the return value is the same with the current Y-axis unit.
This command will select data from the latest measurement results and transmit the data to the output
buffer.
Return Format
The query returns the carrier power in scientific notation. For example, -1.484203E+01.
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