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Real-Time I/Q Baseband Generator User’s and Programming Guide
3-147
ESG Family Signal Generators
Softkey Reference
Options UN8 and 202
R
Root Nyquist
Press this softkey to select the Root Nyquist (root-raised cosine)
pre-modulation filter in either the Select (filter) menu or the Load
Default FIR menu.
See Also
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• “
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In the Select (filter) Menu
In this menu, pressing the
Root Nyquist
softkey selects this FIR filter for
use in a custom modulation setup.
Softkey Locations
Custom:
Mode
>
Custom
>
Filter
>
Select
>
Root Nyquist
Other Formats:
Mode
>
TDMA
>
desired format
>
Modify Standard
>
Filter
>
Select
>
Root Nyquist
In the Load Default FIR Menu
In this menu, pressing the
Root Nyquist
softkey followed by
Generate
loads the FIR table editor with the coefficient values for the filter. The
filter alpha and number of filter symbols are defined with the softkeys
in this menu. If you change a parameter after loading the filter
coefficients, press the
Generate
softkey again to reload the FIR table.
Softkey Locations
Custom:
Mode
>
Custom
>
Filter
>
Define User FIR
>
Load Default FIR
>
Root Nyquist
Other Formats:
Mode
>
TDMA
>
desired format
>
Modify Standard
>
Filter
>
Define User FIR
>
Load Default FIR
>
Root Nyquist
Содержание ESG series
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