Optoelectronic waveforms generation: PCSS characterization and genetic algorithm

Reineix, Gwenael; Lalande, Michèle; Couderc, Vincent; Andrieu, Joël; Desrumaux, Laurent

doi:10.23919/eumc.2017.8231108

Cited by 1 publication

(1 citation statement)

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“…To create a spectrum over a wide frequency band [300 MHz-3 GHz], and to obtain at least an attenuation of 20 dB for the two selected rejected frequencies (900 MHz and 1.8 GHz which correspond to European GSM frequencies), the transient pulse is chosen as the sum of three damped sinusoids by an optimization algorithm [15]. Center frequency, peak-to-peak magnitude, and Q factor of each sinusoid must be optimized in order to respect the desired spectral shape.…”

Section: Simulationsmentioning

confidence: 99%

Optoelectronic generation of transient waveforms for UWB radars with rejected frequencies

Hyvernaud

Reineix

Andrieu

et al. 2020

Int. J. Microw. Wireless Technol.

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In this paper, a new design of an optoelectronic system for transient waveforms shaping, with a selection of rejected frequencies, is presented. The generation of short pulses is performed with several optoelectronic generators using photoconductive semiconductor switches (PCSS) operating in linear switching mode and triggered via a laser pulse. With the appropriate number of generators, the system generates a spectrum ranging from 300 MHz to 3 GHz, with rejected frequencies at 900 MHz and 1.8 GHz. A PCSS characterization has been set up to determine the necessary parameters for the establishment of an optoelectronic generator model on Keysight Advanced Design System software (ADS). Experimental tests have been realized using measurement benches to compare the simulated and measured signals.

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Section: Simulationsmentioning

confidence: 99%