说明：  MATLAB环境中进行了模拟ADS-B的S模式数据传输流程的仿真实验，在模拟不同的信道环境下对比仿真结果，进行了分析
(In the MATLAB environment, the simulations of ADS-B S-mode data transmission flow are simulated, and the simulation results are simulated in different channel environments.)