TY - GEN
T1 - Improvement of the performance of FM-CW radar systems by using direct digital synthesizers: comparison with voltage controlled oscillators
AU - Figueras i Ventura, J
AU - Russchenberg, HWJ
N1 - IEEE Catalog number 06EX1284
PY - 2006
Y1 - 2006
N2 - Linear frequency modulated continuous wave (LFM-CW) radars require high linearity and good phase noise characteristics of its modulated signal to obtain a good resolution and sensitivity. Direct digital Synthesis (DDS) is becoming an increasingly competitive alternative to traditional Voltage Controlled Oscillators (VCO) to perform the modulation. Although ther are plenty of puvlications describing the performance of the DDS and he VCO as applied in FM-CW radars. In this paper the performance of DDS is analyzed both theoretically and with measurements. The performance of DDS is analyzed both theoretically and with measurements. The performance of DDS in a linear frequency modulated continuous wave (LFM-CW) radar system, (the Transportable Atmospheric Radar TARA developed in IRCTR), is compared to a VCO demonstrating its superiority. DDS is , therefore, expected to play an important role in radar sytems in the near future.
AB - Linear frequency modulated continuous wave (LFM-CW) radars require high linearity and good phase noise characteristics of its modulated signal to obtain a good resolution and sensitivity. Direct digital Synthesis (DDS) is becoming an increasingly competitive alternative to traditional Voltage Controlled Oscillators (VCO) to perform the modulation. Although ther are plenty of puvlications describing the performance of the DDS and he VCO as applied in FM-CW radars. In this paper the performance of DDS is analyzed both theoretically and with measurements. The performance of DDS is analyzed both theoretically and with measurements. The performance of DDS in a linear frequency modulated continuous wave (LFM-CW) radar system, (the Transportable Atmospheric Radar TARA developed in IRCTR), is compared to a VCO demonstrating its superiority. DDS is , therefore, expected to play an important role in radar sytems in the near future.
KW - conference contrib. refereed
KW - Conf.proc. > 3 pag
M3 - Conference contribution
SN - 8372076219
SP - 343
EP - 346
BT - IRS 2006: Proceedings International Radar Symposium
A2 - Krzysztof Kulpa, null
A2 - Michal Piotrkowski, null
A2 - Kryzystof Kulpa, null
A2 - Michael Piotrkowski, null
PB - Institute of Electronic Systems, Warsaw Univ of Technology
ER -