An End-to-End Modeling and Simulation Capability to Assess Performance of the Weather Products Produced by the NPOESS System
Abstract
An Environmental Product Verification and Remote Sensing Testbed (EVEREST) was developed to support space borne (polar orbiting or geosynchronous) and airborne remote sensing missions during their different development phases. Such a tool is essential in order to predict the impact various elements of the remote sensing system on the performance of the environmental data products (EDR) delivered by the mission. EVEREST has been very effective in supporting the NPOESS program. It is used for design trades during the development phase, verification testing of sensor data and weather retrieval algorithms, independent performance assessment of impact of sensors developed on EDR, and will also support on-orbit calibration and validation of the data products. The testbed is comprised of five main components: global environmental databases covering typical and extreme environmental conditions, radiative transfer models covering the microwave, optical, and ultra-violet frequency regimes, detailed sensor models capable of reproducing the effects observed by the actual sensors being build, spacecraft (or aircraft) models for pointing and jitter, and retrieval algorithms to calculate the weather data records. In addition, EVEREST is also comprised of a detailed event-based simulation that computes latency and processing load for the system. This presentation will highlight the main features of the testbed and how it is used to assess performance of the environmental data products.
- Publication:
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AGU Fall Meeting Abstracts
- Pub Date:
- December 2008
- Bibcode:
- 2008AGUFM.A54B..04S
- Keywords:
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- 0394 Instruments and techniques;
- 1640 Remote sensing (1855);
- 3360 Remote sensing;
- 4275 Remote sensing and electromagnetic processes (0689;
- 2487;
- 3285;
- 4455;
- 6934)