SHD-A model transmitter is applied to emit and convey baseband signal of sound, vibration and measure-control in aeronauticalcommunication system from one point to multi-point.
In order to advance the security of AeronauticalCommunication System, a simple and effective identity verification scheme was proposed, and the encryption was introduced in logging-on process.
为了提高航空通信系统的安全性，论文提出了一个简洁有效的身份认证方案，并在注册过程中引入加密技术。
3
By analysis and summarization of HF aeronauticalcommunication site setup, a mathematical model based on month median about REL is proposed, and then with VOACAP, the mathematical model is verified.