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Digital microwave monitoring system

Author: WangDong
Tutor: ZouLing
School: Hubei University of Technology
Course: Power Electronics and Power Drives
Keywords: Sensitivity Passband Multicast Synchronous Video Capture window
CLC: TP277
Type: Master's thesis
Year: 2009
Downloads: 33
Quote: 0
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Abstract


Security systems video surveillance system as an important part of being social and economic development plays an important role. Video surveillance with its intuitive, convenient, content rich and widely used in finance, public safety, and many other occasions. With computer technology, image processing technology, network communication transmission technology, the rapid development of video surveillance technology are also developing rapidly. As technology continues to evolve and continued demand for applications, microwave transmission mode is being used by traditional analog way to the new digital mode conversion. Because digital microwave communication with high frequency, frequency bandwidth, transmission informative features, it is widely used in various communication fields, including microwave multi-channel communications, microwave relay communications, mobile communications and satellite communications. Meanwhile it as a wireless transmission, flexibility, resilience and mobility, it is also has other transmission unmatched advantages. In digital microwave communication system, we must consider the audio and video signals network transmission problems. Multimedia network transmission technology is now quite mature. TCP / IP has become the de facto standard for Internet network communication. And we also need to use the microwave monitoring system where wireless audio and video multimedia transmission technology. This paper discusses the characteristics of digital microwave communications technology and related theories, describes the characteristics of the microwave receiver analyzes the receiver performance indicators need to be considered, by comparing different design options put forward a feasible design. On this basis, each part of the circuit on the receiver and the overall structure of the simulation analysis. In addition, discussions based on wireless audio and video transmission theory of network transmission key technologies, an analysis of its principles and the concrete realization of the method discussed in particular for multicast and synchronization solution to the problem. On this basis, obtained audio and video transmission software design process, given the specific implementation process, and for the practical problems that may arise during the proposed audio and video software design improvement program that implements a simple point- wireless transmission system. Finally, we completed the entire study process to do a summary, including difficulties encountered and the experience gained so forth. The design on the one hand is the knowledge of the application, the other is for their own ability to solve practical problems and capabilities.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Monitoring, alarm,fault diagnosis system
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