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The Lower Cambrian Longwangmiao Fm, the 4th and 2nd members of the Sinian Dengying Fm are the three major gas layers in the Anyue Gas Field of the Sichuan Basin. Their main characteristics and genesis mechanism were investigated, and the following three findings were obtained. First, according to sedimentary microfacies, lithology and porosity, the Longwangmiao Fm is identified as fractured-vuggy...
In the recent years, Voice over Internet Protocol (VoIP) is the most popular technology and becomes a kind of killer application, and 802.11-based wireless Local Area network (WLAN) has been set up in many public places. People who use VoIP over WLAN can be more convenient. In the common WLANs, IEEE 802.11e WLAN can support VoIP with better Quality of Service (QoS), However, 802.11 lacks a flexible...
A cluster system performance depends on load balancing. After analyzing the load balance algorithm, this paper presents a design of such a load balancing, algorithms using every working server to sends a corresponding ask signals to balancer based on DUD principle and the balancer assigning user requests according to ask queue which consists of these signals. Experimental results show that the algorithm...
The real-time delivery of video data over wireless is a big challenge due to the unreliable and dynamic characteristics of wireless networks, limited bandwidth and high QoS requirements for multimedia applications. According to features of wireless channels, this paper proposes a robust scheme using Rate Compatible Punctured Turbo (RCPT) codes and Forward Error Correction (FEC) parity codes for video...
Mostly traditional grouping models based on the strength of perceptual organization concentrate on their local cues, such as proximity, good continuity and similarity, and ignore their scope of perceptual cues in grouping model. The result of grouping is not consistent with perceptual organization. A hierarchy grouping perception model based on the scope of gestalt cues is developed. Most salient...
As an active aspect in the practice and development of Educational Technology, Education Resource platform is becoming the new growing point. The paper analyzed the problem emerged in current education resource sharing and network, which show a frame Education Resource Grid for Training and Coaching.
With the development of communication technology, wireless video transmission is welcomed in wider field. However, the quality of received video is still unsatisfied. This may be caused by wireless channel fading, Doppler phenomenon, limited bandwidth, Internet congestion, which may lead to bit errors and packet loss. In order to deal with bit errors and packet loss in the transmission and enhance...
Based on the research of existing scheduling algorithms, max-min algorithm and min-min algorithm was analyzed, a modified scheduling algorithm filter-min-min algorithm was proposed. Simulation shows it is reasonable and efficient.
Applying, modern information management technology to traditional environment field is the sign of making environment protection work modern and the necessitous task that environment protection departments are confronting. Building long-distance control platform on environment urgency incident has become one of the important tasks of safeguarding sustainable environment development in our country...
Urban land use/cover mapping is very important and it is the base and foundation of further urban analysis and research. Whereas urban land use/cover mapping of using medium spatial resolution remotely sensed images presents numerous challenges due to the intensive heterogeneity of urban landscapes. In order to solve the above challenges and improve the accuracy of urban land cover/use mapping, we...
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