›› 2013, Vol. 26 ›› Issue (6): 58-.
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LIU Qiang,MA Zhangang
Online:
Published:
Abstract:
An important circuit in wireless communication system,the radar receiver's main role is to zoom in and processing of the echo reflected back to the radar after launch,and to filter the echo by obtaining the most useful echo and unwanted interference between the identification rate of the echo.The article describes the working principle of the Ku-band radar receiver,and presents the design and test results analysis.The Ku-band receiver consists of the low-noise inverter unit,the IF amplifier unit,four independent units of the local oscillator unit and the power supply unit.A detailed analysis is made of the circuit design of each unit,the component selection and the simulation results.The results show that with a Ku-band receiver noise figure≤1.0 dB and gain≥55 dB,the input and output standing wave,the phase noise spurious and image rejection indicators meet the technical requirements.Further improvement of some indicators of the Ku-band receiver is proposed based on test results.
Key words: radar receiver;noise figure;gain
CLC Number:
LIU Qiang,MA Zhangang. Design of Ku-Band Radar Receiver[J]., 2013, 26(6): 58-.
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URL: https://journal.xidian.edu.cn/dzkj/EN/
https://journal.xidian.edu.cn/dzkj/EN/Y2013/V26/I6/58
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