TRADE-OFF ANALYSIS OF MODES OF DATA HANDLING FOR EARTH RESOURCES (ERS) - Volume 1 - Final Report

Aug 27, 2026

Comprehensive final report analyzing trade-offs in data handling modes for Earth Resources (ERS), prepared for NASA Goddard Space Flight Center. Volume 1 covers sensor characteristics and selection logic, mission model development, candidate data uses and requirements, sensor use profiles across multiple mission types, and candidate mission descriptions. The report further summarizes data handling system requirements, driver requirements, and detailed data routing analysis methods including storage, ground station roles, transmission techniques, and mission data routing trade data and delays.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages281

Reading Time11 h 48 min

AccessFree to download

1. INTRODUCTION

2. SENSOR CHARACTERISTICS

2.1 Sensor Selection

2.2 Cost Estimations

2.3 Sensor Descriptions

2.3.1 Individual Sensors

2.3.2 Sensor Characteristics Tables

3. MISSION MODEL DEVELOPMENT

3.1 Candidate Data Uses/Requirements

3.1.1 User Community Requirements

3.1.2 Data Products

3.2 Sensor Use Profiles

3.2.1 Mission 1 (Terrestrial Survey/Environmental Quality, Research)

3.2.2 Mission 2 (Ocean Survey/Meteorology, Research)

3.2.3 Missions 3 and 6 (Terrestrial Survey/Environmental Quality)

3.2.4 Mission 4 (Ocean Survey/Meteorology, Research)

3.2.5 Mission 5 (Transient Environmental Phenomena Monitoring, Research)

3.2.6 Mission 7 (Ocean Survey/Meteorology, Operational)

3.2.7 Mission 8 (Meteorological, Research)

3.2.8 Mission 9 (Meteorological, Research)

3.3 Candidate Mission Descriptions

4. DATA REQUIREMENTS SUMMARY

4.1 Data Handling System Requirements-Summary

4.2 Data Handling System Driver Requirements

5. DATA ROUTING ANALYSIS

5.1 Method of Approach

5.2 Mission 1 Requirements - Step 1

5.3 Data Storage - Steps 2 and 3

5.4 NASA Ground Stations - Step 4

5.4.1 TDRS

5.4.2 Space Tracking and Data Network

5.4.3 Real-Time Data Transmission

5.4.4 Remote Station Readout

5.5 Data Transmission Techniques - Step 5

5.6 Mission Data Routing Trade Data - Step 6

6. ONBOARD PROCESSING CONSIDERATIONS

6.2 Formatting and Multiplexing Techniques

6.3 Data Compression

6.4 Data Coding

6.5 Synthetic Aperture Radar Data Processing

6.6 On-Board Correction and Calibration

6.7 Storage Techniques

6.8 Digital Hardware Status and Trends

References

General Disclaimer One or more of the Following Statements may affect this Document ·This document has been reproduced from the best copy furnished by theorganizational source.It is being released in the interest of making available asmuch information as possible. ·This document may contain data,which exceeds the sheet parameters.It wasfurnished in this condition by the organizational source and is the best copyavailable. ·This document may contain tone-on-tone or color graphs,charts and/or pictures,which have been reproduced in black and white. ·This document is paginated as submitted by the original source. ·Portions of this document are not fully legible due to the historical nature of someof the material.However,it is the best reproduction available from the originalsubmission. E-FL NASA CR-14384 TRADE-OFF ANALYSIS OF MODES OF'DATAHANDLING FOR EARTH.RESOURCES (ERS) FINAL REPORT VOLUME (NASA-CR-143804) TRA DE-OFF ANALYSIS OF MODES OF DATA HANDLING FOR EARTH RESOURCES (ERS),VOLUME 1 Final Report(TRW Systeas CSCL 05B Group) 266 p HC $8.50 G3/43 TRW Sales No.22591.000 RFP No,5-37612-212 28 MARCH 1975 Prepared for GODDARD SPACE FLIGHT CENTER National Aeronautics and Space Administration Greenbelt,Maryland 20771 Prepared by SYSTEMS GROUP ONE SPACE PAB FEDON0 BEACCALZFORN/A 902/8 N75-26470 Unclas 25985 VOLUME 1TABLE OF CONTENTS Page 1-1 1. INTRODUCTION 2. SENSOR CHARACTERISTICS 2-1 2.1 Sensor Selection 2-1 2.2 Cost Estimations 2-2 2-4 2.3 Sensor Descriptions 2.3.1 Individual Sensors 2-7 2.3.2 Sensor Characteristics Tables 2-21 # 3. MISSION MODEL DEVELOPMENT 3-1 ## 3.1 Candidate Data Uses/Requirements 3-1 3.1.1 User Community Requirements 3-1 3-19 3.1.2 Data Products ## 3.2 Sensor Use Profiles 3-26 3.2.1 Mission 1(Terrestrial Survey/Environmental3-27Quality,Research 3.2.2 Mission 2(Ocean Survey/Meteorology,Research)3-27 3.2.3 Missions 3 and 6(Terrestrial Survey/3-28Environmental Quality) 3.2.4 Mission 4 (Ocean Survey/Meteorology,Research)3-29 3.2.5 Mission 5(Transient EnvironmentalPhenomena Monitoring,Research) 3-29 ### 3.2.6 Mission 7(Ocean Survey/Meteorology,Operational) 3-31 ### 3.2.7 Mission 8(Meteorological,Research) 3-31 ### 3.2.8 Mission 9(Meteorological,Research) 3-32 ## 3.3 Candidate Mission Descriptions 3-33 3.3.1 Mission Model No.1 3-35 3.3.2 Mission Model No.2 3-38 3.3.3 Mission Model No.3 3-40 3,3.4 Mission Model No.4 3-41 3.3.5 Mission Model No.5 3-42 3.3.6 Mission Model No.6 3-44 3.3.7 Mission Model No.7 3-45 3.3.8 Mission Model No.8 3-46 3.3.9 Mission Model No.9 3-47 3.3.10 Payload Compatibility with Launch Vehicleand Spacecraft 3-48 i TABLE OF CONTENTS(Continued) # 4. DATA REQUIREMENTS SUMMARY ## 4.1 Data Handling System Requirements-Summary 4.1.1 Estimation of Data Volume/Time Profilesfor Each Mission 4.1.2 Matrix Summaries ## 4.2 Data Handling System Driver Requirements # 5. DATA ROUTING ANALYSIS 5.1Method of Approach 5.2 Missio.1 Requirements -Step 1 5.3 Data Storage -Steps 2 and 3 5.4 NASA Ground Stations -Step 4 5.4.1 TDRS 5.4.2 Space Tracking and Data Network 5.4.3 Real-Time Data Transmission 5.4.4 Remote Station Readout ## 5.5 Data Transmission Techniques -Step 5 5.5.1 Future Data Transmission 5.5.2 Cost Data 5.5.3 Data Link Characteristics 5.5.4 Parametric Cost Curves,Step 5 ## 5.6 Mission Data Routing Trade Data -Step 6 5.6.1 Data Time Delay Factors 5.6.2 Mission Data Routing Analysis 5.6.3 Example of Mission Data Routing Analysis References # 6. ONBOARD PROCESSING CONSIDERATIONS ## 6.4 Image-To-Data Stream Conversion Techniques 6.1.1 The Mu1timegabit Operation MultiplexerSystem(MOMS)Concept 6.1.2 Low-Power A/D Conversion ii Page 4-1 4-1 4-1 4-3 4-17 5-1 5-1 5-1 5-3 5-4 5-4 5-5 5-6 5-6 5-7 5-7 3-8 5-11 5-12 5-18 5-19 5-20 5-20

FAQs

Volume 1重点分析哪些方面的ERS数据处理？

Volume 1重点覆盖传感器特性与选择、任务模型开发、数据需求总结以及数据路由分析方法，并延伸到片上处理与存储/硬件趋势的讨论。

报告如何组织传感器与任务之间的匹配关系？

报告给出传感器使用剖面，并按不同任务类型列出候选任务描述，从而关联候选数据用途、需求与传感器使用方式。

数据路由分析包含哪些关键环节？

数据路由分析包含方法论步骤，包括任务需求步骤、数据存储步骤、NASA地面站（如TDRS及跟踪数据网络）步骤，以及数据传输技术与任务数据路由的权衡分析与时延因素。

Aug 27, 2026

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