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| Titel: |
A two dimensional arma model for the simulation of IR backgrounds |
| Auteur: |
Strenzwilk, Denis F. Meredith, Michael P. Federer, Walter T. |
| Verschenen in: |
Communications in statistics |
| Paginering: | Jaargang 18 (1989) nr. 4 pagina's 1539-1555 |
| Jaar: |
1989 |
| Inhoud: |
At the US Army Ballistic Research Laboratory (BRL), Aberdeen Proving Ground, Md., weapon system analysts use background models in order to: 1) establish 'clutter' thresholds for firing algorithms: and, 2) to study the masking and false alarm effect of background in their effort to evaluate the performance of various weapon systems. The BRL has received from US Army Engineer Waterways Experiment Station (WES) several large data bases comprised of blackbody temperatures derived from measurements obtained with an IR sensor. The sensor was mounted on a helicopter and scanned in the cross-track direction perpendicular to the direction of flight (in-track). The data consist of temperatures of scene elements (pixels) for a plowed field, a forested area, and a grassy field. The primary objective of this research is to provide a simple mathematical model which provides simulated data that are consistent with descriptive statistics from the original spatially correlated data base. Such statistics include the mean and standard deviation of temperature, and its 'energy spectrum'. The Mathematical Sciences Institute (MSI) at Cornell University have suggested time series models and a Spatial Moving Average (SMA) model as two approaches to the problem. One long term objective of this type of investigation is to construct a method for relating parameters in the model to physical constants. If successful, the model may then be extended over the diurnal cycle and seasons. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 7 van 27 gevonden artikelen
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