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Marine radar transponder machine design

Author: LuZhe
Tutor: TangZongXi
School: University of Electronic Science and Technology
Course: Electromagnetic Field and Microwave Technology
Keywords: SART Waveguide slot array antenna FPGA LNA
CLC: TN959.72
Type: Master's thesis
Year: 2010
Downloads: 82
Quote: 0
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Abstract


Search and rescue radar transponders (SART) is a widely used in shipbuilding equipment. It is usually in the standby state , the received signal after the rescue , to enter the working state. Receiving search and rescue vessel or rescue aircraft X-band navigation radar signals sent search and rescue , it will immediately transmit an acknowledge signal to the search and rescue radar will show the orientation of the ship in distress to rescue radar screen. Thus, maritime search and rescue personnel in distress will be able to determine the ship's position as soon as possible , so that the search and rescue time is greatly reduced, thereby effectively reducing the shipwreck caused casualties and property losses, improve the efficiency of maritime search and rescue . Currently SART major manufacturers mainly in Europe, America and Japan and South Korea and other countries , our country is relatively backward state. Therefore, the search and rescue radar transponder study design is necessary . This paper describes the SART 's role in the GMDSS system at home and abroad as well as the development of SART . Then tells the SART works, design and post the main work. The second chapter describes the SART article design and implementation of each part of the program methodology and indicators ; chapter describes the aerial part of the design , the use of waveguide slot array antenna to achieve a gain of not less than 5dB, the vertical beam width of not less than ± 12.5 ° horizontal omnidirectional antenna . Chapter IV describes the transceiver component design , the main work is the use of discrete devices NE3210S01 designed a gain greater than 13dB, noise figure of less than 1.8 and a low noise amplifier using microstrip branch line of second-order hybrid electric power distribution bridge and synthetic double-balanced power amplifier and its supporting power amplifier gain is greater than 16dB, output power greater than 28dBm; fifth chapter is to control the function of the realization of the design method is through the FPGA can be programmed to control code in accordance with the requirements of the job , the paper ALTERA's EP2C5T144C8 selected based FPGA design, and through supporting the Quartus II software for routing and post simulation , to achieve the required work.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Radar > Radar: the use of location points > The sea with radar
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