Design of the Auxiliary Speech Recognition System of Super-Short-Range Reconnaissance Radar

Shu Hua Yin

doi:10.4028/www.scientific.net/AMM.556-562.4830

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 556-562Design of the Auxiliary Speech Recognition System...

Design of the Auxiliary Speech Recognition System of Super-Short-Range Reconnaissance Radar

Abstract:

To improve the usability and operability of the hybrid-identification reconnaissance radar for individual use, a voice identification System was designed. By using SPCE061A audio signal microprocessor as the core, a digital signal processing technology was used to obtain Doppler radar signals of audio segments by audio cable. Afterwards, the A/D acquisition was conducted to acquire digital signals, and then the data obtained were preprocessed and adaptively filtered to eliminate background noises. Moreover, segmented FFT transforming was used to identify the types of the signals. The overall design of radar voice recognition for an individual soldier was thereby fulfilled. The actual measurements showed that the design of the circuit improved radar resolution and the accuracy of the radar identification.

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Periodical:

Applied Mechanics and Materials (Volumes 556-562)

Pages:

4830-4834

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.556-562.4830

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Online since:

May 2014

Authors:

Shu Hua Yin*

Keywords:

Design, Operability, Reconnaissance Radar, Voice Identification

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* - Corresponding Author

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