Safran CORTEX CRT Quantum - 1. OVERVIEW; 1.2. Key Features of CORTEX CRT Quantum; 1.3. Mission and Functions of the Cortex CRT Quantum

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COMMAND RANGING & TELEMETRY UNIT CORTEX

CRT QUANTUM USER'S MANUAL

Ref. DTU 100042

Is.Rev. 5.17

Date: Dec. 03, 2021Sept.

30, 2021

This document is the property of Safran Data Systems.

It cannot be duplicated or distributed without expressed written consent.

Page iv

TABLE OF CONTENTS

1. OVERVIEW ............................................................................................................................... 1

1.1. SCOPE .................................................................................................................................................................... 2

1.2. CORTEX CRT QUANTUM MAIN FEATURES .......................................................................................................... 4

1.3. MISSION OF THE CORTEX CRT QUANTUM.......................................................................................................... 4

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. ARCHITECTURE .................................................................................................................................................... 7

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. COMPARISON BETWEEN CRT QUANTUM AND CRT XL/XL2 ....................................................................... 16

1.6. CORTEX CRT QUANTUM PERFORMANCES .................................................................................................... 19

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

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Safran CORTEX CRT Quantum - 1. OVERVIEW; 1.2. Key Features of CORTEX CRT Quantum; 1.3. Mission and Functions of the Cortex CRT Quantum

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