The Fast On-Orbit Recording of Transient Events (FORTE) small satellite will field a digital signal processor (DSP) experiment for the purpose of classifying radio-frequency (rf) transient signals propagating through the earth's ionosphere. Designated the Event Classifier experiment, this DSP experiment uses a single Texas Instruments' SMJ320C30 DSP to execute preprocessing, feature extraction, and classification algorithms on down-converted, digitized, and buffered rf transient signals in the frequency range of 30 to 300 MHz. A radiation-hardened microcontroller monitors DSP- abnormalities and supervises spacecraft command communications. On- orbit evaluation of multiple algorithms is supported by the Event Classifier architecture. Ground-based commands determine the subset and sequence of algorithms executed to classify a captured time series. Conventional neural network classification algorithms will be some of the classification techniques implemented on-board FORTE while in a low-earth orbit. Results of all experiments, after being stored in DSP flash memory, will be transmitted through the spacecraft to ground stations. The Event Classifier is a versatile and fault-tolerant experiment that is an important new space-based application of DSP technology.
Innovative use of DSP technology in space: FORTE event classifier
1994
8 pages
Report
Keine Angabe
Englisch
Computers, Control & Information Theory , Space Technology , Satellites , Antennas , Data Transmission , Data Transmission Systems , Design , Digital Systems , Radiation Hardening , Radiowave Radiation , Transients , Signal processing , EDB/420200 , EDB/440200 , Event classifier experiment , FORTE satellite
I FORTI - Forte <> Forte <> . Forte <>
Online Contents | 2006
I FORTI - Forte <> Forte <> . Forte <>
Online Contents | 2006
Online Contents | 2006
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