Signal & Image Processing
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SAI's ArrayPro hi-fidelity 4D Modeling & Simulation Suite:
Predicts mission performance
Provide array architecture specifications
Demonstrate theoretical concepts
Visualize the mission
Features:
Specialized Arrays Inc. (SAI) advanced algorithms
AGI's System Tool Kit (STK) for orbit propagation and platform modeling
Mathworks' Matlab for quick prototyping and interface environment
Modeling & Simulation
Our arraying technology coupled with specialized algorithms enables precision angle-of-arrival determination. This process also produces AOA error metrics with each AOA. AOA propagation can be extended to emitter GEO-location. Using AOA methods, the signal direction can be precisely determined. Using specialized hardware, dense signal environments can be characterized.
Specialized Arrays Inc. 700 Wavecrest Ave Unit 103, Indialantic, FL 32903
BSS key features
Angle of arrival and geo-location determination
In this example, three signals with overlapping frequencies and bandwidths were detected and separated using Blind Signal Sorting (BSS) methods. The ‘green’ signal was found in channels 3-6 above as indicated by the high correlation scores (~1) in the red box.
Cross-sensor data processing
We have decades of experience in multi-sensor data and image fusion. 'Hidden' information can be derived using specialized arrays and various sensor technologies. Some capabilities include: 3D data (LIDAR) alignment, fusion, and visualization; atmospheric correction of imagery; video object tracking; image registration; image fusion. Specialized Arrays recently proposed a novel LIDAR, video, and sonar system for the reduction of by-catch during trawling.
We also offer detection, sorting, and characterization of co-channel short duration emitters (RADAR). In these environments, our Blind Signal Sorting (BSS) and Angle-of-Arrival (AOA) techniques can detect, sort, characterize, and locate more emitters than degrees of freedom.
Blind Signal Sorting (BSS)
No a priori information and no calibration is needed
Handles dispersive environments
Mission specific BSS methods
Precursor to adaptively forming Beams and Nulls (Interference nulling)
Capable of very deep nulls in narrow bandwidths
Handles a wide dynamic range, input power, bandwidth, emitter modulations, waveforms
Multiple simultaneous co-channel emitter separation
Specialized channelized hardware
Enables number of sorted emitters to be greater than DOF
Capable of identifying: Number of emitters, emitter steering vectors, polarizations, powers, bandwidths, locations
Integrated cross-ambiguity methods
Signal environment characterization
Specialized Arrays principals have decades of experience in multi-signal recovery and characterization; both analog and digital methods. Of particular interest are dense signal environment where the signal of interest is weak and dominated by co-channel interference.
Multi-site, multi-mission widely-spaced array simulation
SAI's ArrayPro integrated with AGI's STK for performance analysis
ArrayPro Capabilities
SAI's ArrayPro Suite