The theories of the product composition, life cycle and Bostons matrix are followed. Theory study and investigate study are adopted and quantitative analysis is combined with qualitative analysis.
On the basis of communication operation schedule for system matrix formed with basis cycle, the time synchronization of system was obtained depending on the net time unit (NTU).
传输操作时刻表由基循环组成的系统矩阵为基础，时间间隔尺度以网络时间单元为单位实现时间同步。
3
Study methods to be used in the dissertation primarily involve life cycle theory guidance, game theory analysis method, radar navigation location, and SWOT matrix analysis.