In order to realize wireless remoter not only securely but also quickly data transmission in the public communication network, the Tiny Encryption Algorithm (TEA) encryption and decryption algorithm is studied in this paper and the properties of TEA are analyzed. According to communication protocol of remoter, encryption and decryption program process are designed. Because of TEA encryption, remoter transmitter and receiver can communicate strongly in the public communication network.

This paper seeks to outline the concept and application of health monitoring system in aircraft structure. The focus is placed on the principles and methods of the structural health monitoring system, including SMART layers, electric potential method, Acoustic Emission, etc. The difference between the above monitoring methods is justified and clarified. Finally a perspective view on structural health monitor techniques is discussed.

The analysis of the unban road traffic state based on kinds of floating car data, is based on the model and algorithm of floating car data preprocessing and map matching, etc. Firstly, according to the characteristics of the different types of urban road, the urban road section division has been carried on the elaboration and optimization. And this paper introduces the method of calculating the section average speed with single floating car data, also applies the dynamic consolidation of sections to estimate the section average velocity.Then the minimum sample size of floating car data is studied, and section average velocity estimation model based on single type of floating car data in the different case of floating car data sample sizes has been built. Finally, the section average speed of floating car in different types is fitted to the section average car speed by the least square method, using section average speed as the judgment standard, the grade division standard of urban road traffic state is established to obtain the information of road traffic state.

In order to achieve 600 meters radio frequency communication and 2-10 meters serial cable communication between remote controller and parking heater, the paper designed the software of remote controller and vehicle receivers. Using this software process, it can achieve 600 meters wireless radio frequency communication between remoter and receiver, and wired communication 2-10 meters between receiver and ECU, to achieve good control effect.

Reed Solomon code is described as a theoretical decoder that corrected errors by finding the most popular message polynomial. The Verilog language is applied to descript decoding algorithm. Cyclone series FPGA EP1C6Q240C8 is adopted as a core of hardware platform and a serial port communication part is used to receive input error correction data. The results show that it can successfully correct eight errors, which is the limitation of error correction. With the RS decoder, it can ensure that the strong error correction capability and fast speed.