Title :
High-performance coherent digital sweep oscillator using piecewise parabolic interpolation
Author :
Samarah, Ashraf ; Loffeld, Otmar
Author_Institution :
Center for Sensor Syst. (ZESS), Univ. of Siegen, Siegen, Germany
Abstract :
In this paper we propose an improved coherent digital sweep oscillator with small size memory and extremely low level of the spurious harmonic distortion in comparison with the Pedersen sweep oscillator. This proposed system uses the methodology of the piecewise parabolic interpolation.
Keywords :
interpolation; oscillators; harmonic distortion; high-performance coherent digital sweep oscillator; piecewise parabolic interpolation; Frequency synthesizers; Harmonic distortion; Interpolation; Oscillators; Read only memory; Sensor systems; Signal generators; Signal resolution; Synthetic aperture radar; Table lookup; Coherent digital sweep oscillator; Spurious Free Dynamic Range (SFDR); Spurious harmonic distortion; piecewise parabolic interpolation;
Conference_Titel :
Circuit Theory and Design, 2009. ECCTD 2009. European Conference on
Conference_Location :
Antalya
Print_ISBN :
978-1-4244-3896-9
Electronic_ISBN :
978-1-4244-3896-9
DOI :
10.1109/ECCTD.2009.5275018
