Wenjing Xuan

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It is known that multiple rotating transformer, as the high precision of state information such as location, velocity, and acceleration, is widely used in the numerical servo control system. The principle of the multiple rotating transformers and its detecting method is firstly detailed, and then the tracking control system with the control core of(More)
A series of experiments on friction and wear properties of carbon strip rubbing against copper contact wire is performed on high-speed friction and wear tester with electric current. The results show that the friction coefficient is generally maintained between 0.24 and 0.37. In the absence of electric current, the coefficient of friction is higher than(More)
The E-Government is the most comprehensive application on the Internet, using the Interactive technologies outside to build a one-stop E-Government in the CATV network is the best choice of taking advantage of the existing CATV network resources, the most essential thing about building the E-Government in CATV network is to establish a secure Information(More)
In the communication system especially the free-space optical communication, the pointing direction adjustment system is strongly required because of the strongly transmission directionality of communication signals. Based on the GPS technology, the automatic acquisition system, with the control core of TMS320F2812, is established, and the horizontal and(More)
It is known that the free-space optical communication is one of the most promising communications, and the ATP system especially coarse pointing subsystem is the key to construction and maintain of the communication link. To our knowledge, only few experimental experience for coarse pointing subsystem exists today especially with respect to communication(More)
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