Earth*****s are a natural phenomenon.Once a strong vibration and seismic energy released, resulting in collapse of buildings ,landsides,floods,spread of the epidemic and so on,will be on social,economic,political and property damage unpredictably. Because of the unpredictability and unexpected of the earth*****,humans can not do all kinds of preparations before it happens,which seems particularly important for post-earth*****
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With the rapid development of China high-speed railway, there is a higher requirement on railway-related safety communication. First of all establish security assessment and certification system of China Railway signal&Communication system to ensure secure communications, which is now imminent. Because the lag of research in the related fields in our country, now the best method
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In recent yearss, the interactive demands of the cargo logistics information between ships and shore become more urgent with the rapid development of coastal logistics industry. Wireless communication and data transmission which has applied maturely in the land are not completely applicable in marine due to its special environment. Although the Automatic Identification System has
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With the background of using Industrial Ethernet in the train communication system for monitoring and fault detection, EtherCAT slave station device is designed and researched, and EtherCAT protocol is modeled and simulated. It can provide technical reference for using EtherCAT in the train communication system.Firstly, EtherCAT communication network environment is established. TwinCAT configuration for EtherCAT
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With the background of using Industrial Ethernet in the train communication system for monitoring and fault detection, EtherCAT slave station device is designed and researched, and EtherCAT protocol is modeled and simulated. It can provide technical reference for using EtherCAT in the train communication system.Firstly, EtherCAT communication network environment is established. TwinCAT configuration for EtherCAT
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Swarm Robotics, which is an intersecting subject of robotics and swarm intelligence, has developed very fast in recent years. Compared to traditional robot, swam robots system based on swarm intelligence is better in self-organization, scalability and robustness. The desired complicated behavior is not designed but emerges from a mass of simple behavior of robots. Without
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Fault Information Processing System, which plays a great role in maintaining the secure operation of power grid, has been applied and developed in our country for over ten years. However, there are still some problems, such as disunity of communication specification and communication mode, ambiguity of system function standard, instability of long-time operation and so
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Controllable Pitch Propeller (CPP for short) is a high-tech and very important marine equipment. For meeting the informationization and networking requirements of marine power system, taking the embedded controller with field bus as the special controller of CPP control system has been a development trend. As one of the most important field bus, CAN bus
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In recent years, mobile Internet is in high-speed development, smart phones can help people make better use of the resources of the mobile Internet. The Android platform has become one of the largest platforms of the smart phone, so the application research and development on Android platform has the very broad application prospects.First of all,
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As the world has entered the 21st century, globalization is bringing people to the concept of space-time great changes, the world has become a “global village.” With globalization, tourists will reach an unprecedented scale large, the tourism industry has become the most potential industry and one of the key industries in developed countries. How to
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