Posts Tagged ‘synchronization’:

Study on Synchronization Method of Stereo Audio and Stereo Video Based on Video Embedded by Audio

on June 3rd, 2013 by - Comments Off

With the notable improvement of the computer technology and network technology, especially broadband communication technology, Internet technology and data compression technology significantly, multimedia communications technology has made rapid development. Multimedia applications have been deep into all aspects of our lives, and people use multimedia information as a means of communication more and more in the

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Study on Synchronization Method of Stereo Audio and Stereo Video Based on Video Embedded by Audio

on June 2nd, 2013 by - Comments Off

With the notable improvement of the computer technology and network technology, especially broadband communication technology, Internet technology and data compression technology significantly, multimedia communications technology has made rapid development. Multimedia applications have been deep into all aspects of our lives, and people use multimedia information as a means of communication more and more in the

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Research on Synchronization for OFDM System

Orthogonal Frequency Division Multiplexing(OFDM)has become the key technique in broadband wireless access and the next generation mobile communication system. Extensive attentions have been paid to OFDM due to its high spectral efficiency,high data rate and well anti-multipath ability.However, there are well-known shortcomings of OFDM technology: the timing offset and frequency offset is very sensitive. Timing

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The Research on Modulation and Improved Scheme for Frequency Hopping Communication System

With the rapidly development of SS (spread spectrum) technique, SS communication is not only becoming increasingly important in the military, but also has obtained more and more extensive attention in the civilian communications in recent years. FH (Frequency Hopping) system plays an important part in the SS communication system and has gone in the fore

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Design and Implementation of Data Consistency Management Platform

China Mobile’s BOSS system, three-tier architecture applications, is designed mainly from the perspective of business application. The construction of the core layer of data has broken the boundaries between business systems, will include service use records, user information and other information, including all business data centrally, and data input and output are through the service

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Design and Implement of FPGA_Based OFDM System

Orthogonal Frequency Division Multiplexing (OFDM) is a multi-carrier modulation technology, which has high bandwidth efficiency and ability of coping with multipath fading makes OFDM a suitable technology for high speed wireless transmission. It’s supposed that OFDM will have an extensive application in wireless communication. It has been adopted as the physical-layer technology of several specifications.

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Research on Technique of Synchronization for OFDM System Based on IEEE 802.16e Standard

on April 4th, 2013 by - Comments Off

The Orthogonal Frequency Division Multiplexing (OFDM) technology is the key technology of Next Generation Mobile Communication due to its advantages such as high spectral utilization rate, high data transfer rate and the ability to oppose the multipath interference, for which it is also adopted physical layer of IEEE 802.16e protocol. For OFDM system is extremely

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The Production of Merge Unit Based on IEC61850 Standard

Electronic transformers have more advantages then electromagnetic transducer, such as small in size, large dynamic range, without ferromagnetic resonance, good insulation and so on. So it will be widely adopted in intelligent substation. In this paper, the merging unit is the device of connecting electronic transformer and the second equipment in intelligent substation. So researching

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The Design and Development of DSP-Based Electro-optic Modulator Bias Control System

After the rapid development in recent years, optical fiber communication has become an important part of communication field. The advantages of optical fiber communication include: strong ability of anti-interference, large capacity of communication, good confidentiality, etc. Whether these advantages can fully exert in the process in communication depends on the development of many key technologies

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Research and Realization of Key Technology in MIMO-OFDM Transmitter

With the development of wireless communication,it has attracted a lot of at tentions on how to gain a high-speed and dependable data transmission with restrictions of frequency bandwidth lately.MIMO-OFDM has become a major technology in the future wireless communication for its robust ability against frequency -selective fading, realizing high-speed data transmission,huge system capacity and effectively

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