Variable-bandwidth frequency-modulation chirp pulse compression using a longitudinal acoustic-wave convolver at 1.3 GHz

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Variable-bandwidth frequency-modulation chirp pulse compression using a longitudinal acoustic-wave convolver at 1.3 GHz

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© The Institution of Electrical Engineers
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A symmetric V-shaped frequency-modulation chirp is used to demonstrate pulse compression of variable-bandwidth signals centred at 1.3 GHz. The compression device is based upon the nonlinearity in a lithium-niobate longitudinal-wave acoustic delay line. Uniformity of the interaction region is achieved so that the convolution is not spatially weighted.

Inspec keywords: frequency modulation; acoustic microwave devices; bandwidth compression; ultrasonic delay lines

Other keywords: LiNbO3; frequency modulation; bandwidth compression; sonic propagation; 1.3 GHZ; V shaped frequency modulation chirp; acoustic microwave devices; polarisation field; compression device; longitudinal acoustic wave convolver; acoustic delay line; acoustic strains; surface phenomena

Subjects: Microwave circuits and devices; Information theory; Acoustic wave devices; Signal processing and detection

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