Neural Network Signal Processor (NSP)

Patrick F Castelaz; Dwight E Mills

doi:10.1117/12.944038

20 April 1988 Neural Network Signal Processor (NSP)

Patrick F Castelaz, Dwight E Mills

Author Affiliations +

Proceedings Volume 0880, High Speed Computing; (1988) https://doi.org/10.1117/12.944038
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

Recent applied and theoretical results have demonstrated that certain classes of neural networks possess adaptive characteristics. These adaptive networks modify their response to inputs as a result of "experience," e.g., they are trained. One of the most obvious applications of this type of trainable network is to real-time signal processing problems. In particular, for many applications, the detection and classification of specific "target" signatures buried in noisy, clutter-rich signals often proves to be an extremely difficult problem. In addition, this problem is nearly always worsened by the high bandwidth associated with many modern sensor systems. Nearly all conventional signal processing and neural network techniques employ special-purpose feature extraction hardware as an interface between the sensor and the detection/classification mechanism (whether neural net or conventional). However, given typical system requirements for minimum size, weight and power, a considerable advantage would be gained if this interface were simplified or eliminated. Trainable neural networks appear to offer exceptional promise as simultaneous feature extraction and pattern recognition mechanisms. This paper presents the results of preliminary experimental investigations of the performance of various trainable (back-propagation) neural networks applied to the processing of various types of sensor signals.

Citation Download Citation

Patrick F Castelaz and Dwight E Mills "Neural Network Signal Processor (NSP)", Proc. SPIE 0880, High Speed Computing, (20 April 1988); https://doi.org/10.1117/12.944038

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