Research on Sudden Natural Public Disaster Events between the United States and China;

Design of PLL in the Carrier Tracking of Galileo Short-time Search and Rescue Burst Signal;

Aiming at the burst capability in both extent and time, the article proposed a model for network heavy-traffic approximation, based on α-stable self-similar processes, which integrates stable distributing and Gauss self-similar distributing.

Meteor trail communication is a kind of burst communication mode,which uses reflection and dispersion of radio wave to the meteor ionization trails.

In this article, after analyse the problems existed in legislations on meetingoutburst environmental events, the author believes that we ought to construct a final legislative system mode composed by specialregulations in constitution, special section in Environmental Protection Act, Law on Meeting Outburst Environmental Events andit s implementary st.

First part ,the feature and harm of outburst event of public health.

Study on incident detection and emergency response mechanism of large-scale residential parts;

Disposal of emergency of large-scale sport games in Beijing;