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Volume 47 Issue 5
Nov.  2022
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LIU Yang, QI Jundong, CHEN Qidong, HUANG Xiao, XU Wenpu, LIU Rui. The design and simulation of a small active Loran-C receiving antenna[J]. GNSS World of China, 2022, 47(5): 118-126. doi: 10.12265/j.gnss.2022147
Citation: LIU Yang, QI Jundong, CHEN Qidong, HUANG Xiao, XU Wenpu, LIU Rui. The design and simulation of a small active Loran-C receiving antenna[J]. GNSS World of China, 2022, 47(5): 118-126. doi: 10.12265/j.gnss.2022147
shu

The design and simulation of a small active Loran-C receiving antenna

doi: 10.12265/j.gnss.2022147
  • 1.

    The China Research Institute of Radio-wave Propagation, Qingdao 266107, China

  • 2.

    Military Representative Office of military representative Bureau of equipment development department of Central Military Commission in Zhengzhou, Zhengzhou 450000, China

  • Received Date: 2022-08-16
  • Accepted Date: 2022-08-16
    • Available Online: 2022-10-13
    Abstract
  • Aiming at the needs of Loran-C to receive radio navigation signals, a high-performance Loran-C small active receiving antenna is studied, which can greatly facilitate the use of Loran-C navigation receivers. It is of high practical significance to reduce the volume of the antenna to reduce the difficulty of installation. The main body of the antenna adopts a magnetic rod coil antenna to receive the Loran-C signal in the long-wave band. The front-end signal conditioning circuit including amplifier circuit, band-pass filter circuit, differential output circuit and power supply circuit is designed to increase signal sensitivity and signal-to-noise ratio; an integrated antenna structure is designed for engineering application. Simulations show that the antenna can efficiently receive Loran-C signals. It can amplify the weak Loran-C signal and filter out out-of-band noise, and the signal strength and signal-to-noise ratio meet the requirements. The antenna has the characteristics of small size, high sensitivity and convenient use, and can be used in Loran-C radio navigation, combined Navigation, additional secondary phase delay calculation and other scenarios.

     

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