Santhakumar, N and Raol, JR (1989) Preprocessing of Prithvi Post Flight data for Parameter Identification. Project Report. NAL, Bangalore.
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Abstract
This document presents the methods of preprocessing flight data . The data acquired during flight test contain data spikes and- noise, due to various reasons and requires processing . of data to remove spikes and noise before they are used for any analysis. For this purpose a finite difference method for editing the flight data 'to remove the spikes and Fast Fourier Transfort (FFT) method for filtering the flight data to remove the noise have been used . A software package "PREVRD' incorporating these methods has been developed . The spectral analysis via FFT to select cut-off frequency for filtering has also been incorporated in the PREPRO . The package is validated . using test example and is used successfully for processing PRITHVI post flight data .
| Item Type: | Proj.Doc/Technical Report (Project Report) |
|---|---|
| Uncontrolled Keywords: | Missile Flight Data;Parameter Identification;Preprocessing;Fast Fourier Transform |
| Subjects: | AERONAUTICS > Aircraft Design, Testing & Performance |
| Division/Department: | Systems Engineering Division, Systems Engineering Division |
| Depositing User: | Mr Nisanth |
| Date Deposited: | 16 Jul 2012 10:57 |
| Last Modified: | 16 Jul 2012 10:57 |
| URI: | http://nal-ir.nal.res.in/id/eprint/10577 |
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