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http://dx.doi.org/10.5515/KJKIEES.2013.24.6.661

Periodic Mixed Waveform Measurement Techniques for Compact Radar Transmitter with Phase-Continuous Signal  

Kim, So-Su (Agency for Defense Development)
Yeom, Kyung-Whan (Department of Radio Science and Engineering, Chungnam National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.24, no.6, 2013 , pp. 661-670 More about this Journal
Abstract
In this paper, we propose the measurement techniques of mixed waveform. Mixed waveform has phase-continuous periodic waveform with fixed frequency signal and Linear Frequency Modulation(LFM) signal. This waveform is generated from a compact radar transmitter with frequency synthesizer and high power amplifier. Frequency synthesizer generates various signal waveform with continuos phase and high power amplifier amplify transmitting signal. First, we describe a compact radar transmitter with the phase-continuos signal and then verify the distortion characteristic of pulse compression by the mismatch of LFM waveform. Second, we describe three kinds of measurement techniques for measuring LFM waveform. These techniques include methods using signal analyzer, signal source analyzer and new methods using RF mixer and phase shifter. Finally, we verify the accuracy of the measurement technique from the pulse compression result of receiving signal.
Keywords
Radar Transmitter; Measurement Technique; Mixed Waveform; Linear Frequency Modulation;
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