Time And Doppler Measurement - Safran CORTEX CRT Quantum User Manual

3.6.6.3. Time and Doppler Measurement

On reception over the Ranging port of a request for Time and Doppler measurements (request message offset
# 4 = 3) the ranging transaction response messages returned to the ranging Client contain the following
information:
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The ranging Sampling rate parameter is used (not the Doppler sampling parameter).
Doppler measurement data are still available over the Doppler port. Doppler compensation and Doppler rate aid
functions remain also available.
Note 1: the first range and Doppler measurements in every ranging transaction response message can be
synchronized to even seconds by setting the registry key SynchroMode to 1 (access path:
HKEY_LOCAL_MACHINE\SOFTWARE\In-snec\CortexCRT\ SetDefault\Signal Processing\Rau).
© Safran Data Systems
COMMAND RANGING & TELEMETRY UNIT CORTEX
CRT QUANTUM USER'S MANUAL
Two-way time (range) values in nanoseconds (after ambiguity solving),
Synchronized (see note 1) Doppler and range measurements.
Ambiguity solving quality factor,
Measurement sampling period,
IF level,
Carrier and input center frequencies.
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Safran Data Systems
.
Ref. DTU 100042
Is.Rev. 5.17
Date: Dec.
03, 2021Sept. 30, 2021
Page 171