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1xEV-DO Measurements
R&S
®
CMW-KM8xx/-KS8xx
257
User Manual 1173.9511.02 ─ 12
See also: "I/Q Constellation Diagram" in the R&S
CMW user manual, chapter "System
Overview"
Vector diagram
In the vector diagram to the right, the modulation vector is traced as a continuous
curve. The offset-compensated or non-compensated diagram can be selected via the
keys "Display" > "IQ Offset".
The description of statistical measurement results is covered in
Evaluation Detailed Views: TX Measurement (Scalar) and Power"
For additional information refer to
3.2.8.7
Multi Evaluation Detailed Views: TX Measurement (Scalar) and Power
The detailed views "Power" and "TX Measurement (Scalar)" contain a table of statisti-
cal values and an enlarged representation of one of these statistical values.
Fig. 3-16: 1xEV-DO multi evaluation: TX measurement (scalar) view
The tables provide an overview of statistical values. Other detailed views provide a
subset of these values:
●
Error Vector Magnitude
: calculated percentage of vector error (RMS and peak)
between the received signal and an ideal signal
●
Magnitude Error
: difference in amplitude (RMS and peak) between the received
signal waveform and an ideal signal waveform.
General Description
深圳德标仪器
135-1095-0799