Rohde & Schwarz R&S CMW-KM300, Руководство пользователя, Страница: 334 / 388

NB-IoT NPRACH Measurement
R&S
®
CMW-KM300/-KS300
334 User Manual 1178.5689.02 ─ 06
4.3.2.1 Overview
In the overview, a selection of the following results can be displayed:
●
Error vector magnitude
●
Magnitude error
●
Phase error
●
Error vector magnitude vs preamble
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Power vs preamble
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I/Q constellation diagram
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Power dynamics
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Most important results of the view "TX Measurement"
Figure 4-5: NPRACH result overview
The results to be measured and displayed in the overview can be limited using the hot-
key "Assign Views", see
Chapter 3.3.8, "Additional Softkeys and Hotkeys" ,
on page 246.
You can enlarge one of the diagrams in the overview and show a detailed view with
additional measurement results, see
Chapter 4.3.2.7, "Selecting and Modifying Views" ,
on page 340. The traces are described in the following sections.
4.3.2.2 Views EVM, Magnitude Error, Phase Error
This section applies to the following detailed views:
●
"Error Vector Magnitude"
GUI Reference
深圳德标仪器
135-1095-0799