HIGH DATA RATE RECEIVER
HDR-4G+ USER’S MANUAL
Ref. DTU 100782
Is.Rev 3.5
Date: June 1, 2021
© Safran Data Systems – IMP000074 e14r1
This document is the property of Safran Data Systems.
It cannot be duplicated or distributed without expressed written consent.
DNRZ Coding 3.6.2.3
Several DNRZ algorithms are possible for ambiguity resolution in QPSK and OQPSK modes. The
DNRZ code (algorithm) value can be programmed via the Cortex HDR ICD parameter “DNRZ Code”.
To select a particular DNRZ code, set the parameter “DNRZ Code” to a value between 0x0 and 0x18
(24
D
) which refers to a pre-programed type of DNRZ Code. These pre-programed values are
compatible with the pre-programed values of DNRZ Code in the demodulator unit.
It is also possible to set directly the explicit DNRZ Code. When the parameter “DNRZ Code” to a value
above 0x18, it is automatically assumed that the value is an explicit DNRZ Code.
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