Design And Implementation Of ADS-B System For Airport Guidance

Entered in twenty-first Century,China's aviation industry has achieved rapid development.Compared with the highway and railway,aviation industry appears late,but the fastest development in the integrated transportation system.With the beginning of commercial flight,the scope of air transport is more and more widely.Because it meets the requirements of the air traffic control of the civil aviation air traffic control,ADS-B technology has become a new way of traffic monitoring and control,and has been paid close attention to and studied.ADS-B:Automatic Dependent Surveillance-Broadcast.The airborne ADS-B system does not rely on manual operation to automatically broadcast the aircraft's position,altitude,speed,heading and other flight information;By receiving the ADS-B signal sent by the aircraft,the ground ADS-B system can obtain the real-time traffic situation information in the airspace and provide the air traffic control service.In this paper,we study the ADS-B ground system which meets the requirements of ATC.On the basis of the circuit design,the design and implementation of the embedded application software is realized.Specific research steps and methods include the following aspects:1?I collect and sort out the development and research status of ADS-B technology at home and abroad?Then I analyze the background and significance of the subject,and the application of the technology in the field of aviation.2?I understand the basic technical principles of ADS-B.According to the ADS-B product performance analysis of equipment components and functions,I confirm the software and hardware required design and development and the key technology of the system.3?Through the functional requirements analysis,performance requirements analysis,interface requirements analysis,I determine the research objectives of the project,and a brief introduction to the problems that may be encountered in the software design.4?Based on the purpose of this paper,the software design of ADS-B system is carried out.According to the state of the system,the operation mode and the ability to provide the software,the interface constraint condition is defined.When the specific design,the software in accordance with the top-down design method of different modules integrated into the device hardware.In addition,the theoretical analysis and preliminary design of key technologies and processing methods are completed.Through the above algorithm,we can solve the theoretical problems and technical obstacles..5?Test and verify the function of the software.When the design is completed,the test environment is created by the ADS-B system,monitoring maintenance terminal,ADS-B analog signal generator,RF signal generator and other equipment.The main function of the software is tested and verified.