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Design and Implementation of 24 GHz Multichannel FMCW Surveillance Radar with a Software-Reconfigurable Baseband
- Design and Implementation of 24 GHz Multichannel FMCW Surveillance Radar with a Software-Reconfigurable Baseband
- Hyun, Eugin; Jin, Young-Seok; Lee, Jong-Hun
- DGIST Authors
- Hyun, Eugin; Lee, Jong-Hun
- Issue Date
- Journal of Sensors
- Article Type
- Application Programs; Back End Modules; Design and Implementations; Field Programmable Gate Arrays (FPGA); FPFA(Field Programmable Gate Array); Frequency Modulated Continuous Waves; High Speed Implementation; Information Retrieval; Monitoring; Parallel Architectures; Radar; Radar Antennas; Radar Systems; Radio Transceivers; Rangeantennas; Receiving Antennas; Signal Processing; Signal Processing Algorithms; Signal Receivers; Surveillance Applications; Surveillance Radar; Transceivers; Transmit Antenna; Variable Gain Amplifiers; Voltage Regulators
- We designed and developed a 24 GHz surveillance FMCW (Frequency Modulated Continuous Wave) radar with a software-reconfigurable baseband. The developed radar system consists of transceiver, two selectable transmit antennas, eight parallel receive antennas, and a back-end module for data logging and to control the transceiver. The architecture of the developed radar system can support various waveforms, gain control of receive amplifiers, and allow the selection of two transmit antennas. To do this, we implemented the transceiver using a frequency synthesizer device and a two-step VGA (Variable Gain Amplifier) along with switch-controlled transmit antennas. To support high speed implementation features along with good flexibility, we developed a back-end module based on a FPGA (Field Programmable Gate Array) with a parallel architecture for the real-Time data logging of the beat signals received from a multichannel 24 GHz transceiver. To verify the feasibility of the developed radar system, signal processing algorithms were implemented on a host PC. All measurements were carried out in an anechoic chamber to extract a 3D range-Doppler-Angle map and target detections. We expect that the developed software-reconfigurable radar system will be useful in various surveillance applications. © 2017 Eugin Hyun et al.
- Hindawi Limited
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