The continuing objectives of Project 5518 are to develop and enhance the simulation capabilities for evaluating advanced modular sensor designs such as MP-RTIP and Global Hawk.
Finite Sampling Considerations for GMTI STAP and Sensor Modeling
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The continuing objectives of Project 5518 are to develop and enhance the simulation capabilities for evaluating advanced modular sensor designs such as MP-RTIP and Global Hawk. The use of reduced subspace Space Time Adaptive Processing (STAP) architectures increases the probability of detection and improves the minimum detectable velocity (MDV). References [1, 2] discuss the details of earlier steady state performance evaluation for a Global Hawk weight compliant system using these architectures. This report will present the effects of finite sampling on system performance using the properties of the Wishart distribution and will present a method by which some of the finite sample losses may be recovered through subaperture processing to improve the performance.