CONTENTS

Policy on Intellectual Property Right (IPR)
�1���� Introduction
������� 1.1���� Passive sensing missions
������� 1.2���� Content and organization of report
�2���� Overview of passive sensing products
������� 2.1���� Passive sensing products
����� ��2.2���� Product hierarchy and descriptions
Level 0: Raw data
Level 1: Satellite data records
Level 2: Environmental data records
Weather, climate, environmental forecasting and archiving products
������� 2.3���� Product generation process
������� 2.4��� �Environmental products and associated sensing bands
������� 2.5���� Uses of environmental products and NWP model with data assimilation scheme
������� 2.6���� Summary of passive sensing products
�3���� Product quality and RFI
������� 3.1���� Impact on quality
����������������� 3.1.1���� General factors affecting product quality
����������������� 3.1.2���� Impact on products
����������������� 3.1.3���� Propagation of errors through product levels
����������������� 3.1.4���� RFI detection in the NWP model
� ����������������3.1.5���� Impact of RFI on forecasting
������� 3.2���� RFI identification
����������������� 3.2.1���� Near-real time interference detection using quality control methods of weather models
����������������� 3.2.2���� Real-time and near-real-time detection of RFI by identifying non-natural properties
����������������� 3.2.3���� Technique proposed for digital RFI detector
����������������� 3.2.4���� Post-processing interference detection
������� 3.3���� Detection and impact of RFI on the mission
������� 3.4���� Summary of RFI detection in products
�4���� Interference and impact
������� 4.1���� ITU guidance
������� 4.2���� Industry understanding
������� 4.3���� Passive remote sensing mitigation
����������������� 4.3.1���� RFI prevention through regulation
����������������� 4.3.2���� Data elimination
����������������� 4.3.3���� Real time mitigation techniques
����������������� 4.3.4���� Use of redundancy for missing or corrupted data estimation
������� 4.4���� Mitigation of RFI risks
��� ����4.5���� Summary of interference and impact
�5���� Summary
�6���� Conclusion