Safran CORTEX CRT Quantum User Manual page 4

1. OVERVIEW ............................................................................................................................... 1
1.1. S .................................................................................................................................................................... 2
COPE
1.2. C CRT Q
ORTEX UANTUM MAIN FEATURES
1.3. M C
ISSION OF THE
1.3.1. Telemetry Processing ..................................................................................................................................... 5
1.3.2. Satellite Telecommanding .............................................................................................................................. 6
1.3.3. Satellite Tracking (Range and Doppler Measurement) ................................................................................. 6
1.3.4. Simulation & Testing ..................................................................................................................................... 6
1.4. A .................................................................................................................................................... 7
RCHITECTURE
1.4.1. Functional Block Diagram ............................................................................................................................ 7
1.4.2. Hardware Architecture .................................................................................................................................. 8
1.4.2.1. PC-compatible Workstation ......................................................................................................................................... 9
1.4.2.1.1. 4U Chassis – IS00427 ............................................................................................................................................ 9
1.4.2.1.2. 2U Chassis – IS00452 .......................................................................................................................................... 10
1.4.2.2. Main Signal Processing Board ................................................................................................................................... 10
1.4.2.2.1. Main Features ....................................................................................................................................................... 10
1.4.2.2.2. Downlink Input Signal Selection .......................................................................................................................... 11
1.4.2.2.3. Uplink Output Signal Selection ............................................................................................................................ 12
1.4.2.3. Interconnection Panel ................................................................................................................................................. 12
1.4.2.3.1. The Integrated Interconnection Panel ................................................................................................................... 12
1.4.2.3.2. The 3U Interconnection Panel .............................................................................................................................. 12
1.4.3. Software ....................................................................................................................................................... 13
1.4.3.1. Local or Remote M&C .............................................................................................................................................. 13
1.4.3.2. Signal Processing Software Package.......................................................................................................................... 13
1.4.3.3. Monitoring & Control Software Package ................................................................................................................... 14
1.4.3.4. Command Operation Procedure Software Package (COP) ........................................................................................ 14
1.4.3.5. SLE Gateway Software Package (CSGW) ................................................................................................................. 14
1.4.3.6. Password Protection ................................................................................................................................................... 14
1.4.3.7. CORTEX Configuration at Delivery.......................................................................................................................... 15
1.4.3.8. Software Version ....................................................................................................................................................... 15
1.5. C
OMPARISON BETWEEN
1.6. C CRT QUANTUM P
ORTEX
1.6.1. IF Reception ................................................................................................................................................ 20
1.6.1.1. Analog Reception ...................................................................................................................................................... 20
1.6.1.1.1. IF Stages ............................................................................................................................................................... 20
1.6.1.1.2. Auxiliary Inputs .................................................................................................................................................... 20
1.6.1.2. PM and FM Demodulation ........................................................................................................................................ 21
1.6.1.2.1. PM Demodulation ................................................................................................................................................ 21
1.6.1.2.2. FM Demodulation ................................................................................................................................................ 21
1.6.1.3. Direct PCM Demodulation ........................................................................................................................................ 22
1.6.1.3.1. IF Demodulation .................................................................................................................................................. 22
1.6.1.3.2. Bit Synchronization and Decoding ....................................................................................................................... 22
1.6.1.4. Telemetry Processing ................................................................................................................................................. 23
1.6.1.4.1. Low Bandwidth Telemetry ................................................................................................................................... 23
1.6.1.4.2. High Bandwidth Telemetry with Sub-carrier ....................................................................................................... 24
1.6.1.4.3. Frame Synchronization. Telemetry Storage ......................................................................................................... 25
1.6.1.4.4. Diversity Combining ............................................................................................................................................ 26
1.6.2. IF Modulation .............................................................................................................................................. 27
1.6.3. Satellite Ranging .......................................................................................................................................... 28
1.6.4. Doppler Measurement ................................................................................................................................. 29
1.6.5. Satellite Commanding (Low Bandwidth Mode) ........................................................................................... 30
1.6.6. Satellite Commanding (High Bandwidth Mode) .......................................................................................... 31
1.6.7. Telemetry Simulation ................................................................................................................................... 32
1.6.8. Doppler Compensation ................................................................................................................................ 32
1.6.8.1. Carrier, Sub-Carrier and Bit Rate ............................................................................................................................... 32
1.6.9. Time Code & Reference Clock Interface ..................................................................................................... 33
© Safran Data Systems
COMMAND RANGING & TELEMETRY UNIT CORTEX
CRT QUANTUM USER'S MANUAL
TABLE OF CONTENTS
.......................................................................................................... 4
CRT Q .......................................................................................................... 4
ORTEX UANTUM
CRT QUANTUM
AND
.................................................................................................... 19
ERFORMANCES
This document is the property of
It cannot be duplicated or distributed without expressed written consent.
CRT XL/XL2 ....................................................................... 16
Safran Data Systems
.
Ref. DTU 100042
Is.Rev. 5.17
Date: Dec. 03, 2021Sept.
30, 2021
Page iv