인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
DBpia AI
AI 에이전트
AI 아이디어
AI 리더
AI 뷰어
Citeasy
크롬 서지관리 다운로드
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록·키워드
This paper summarizes the design and implementation of a broadband signal processor unit to be applied to a small millimeter wave tracking radar. Small millimeter wave tracking radars are based on emitting millimeter waves toward a target and analyzing the returning received signal. The signal processing unit in this paper is designed to process a broadband input signal with an specific center frequency above 100MHz and specific bandwidth in real time by configuring three input channels. At this time, a digital receiver was designed to process broadband input signals. The digital receiver uses a high performance ADC capable of high speed sampling, and DDC(Digital Down Converter) is configured using FPGA, and preprocessing functions include various functions such as DDS(Direct Digital Synthesizer), FIR(Finite Impulse Response) Filter, and Decimation. In addition, FFT(Fast Fourier Transform) and data type conversion processing were applied to reduce the processor load in the post processing stage. The preprocessed three channel large capacity data is delivered to the processor through high speed communication, and a high performance multi core processor and external memory are applied to process it in real time. In addition, an external communication interface was designed to control the entire radar system, and the power supply unit was designed to provide stable power supply. Afterwards, a performance test was conducted to verify the implemented signal processor. Receiving dynamic range and frequency error measurement tests were conducted, and all test met the required. Through this, it was found to be suitable for application of small millimeter wave tracking rader.
본문·목차
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UCI(KEPA) : I410-151-25-02-091088639
