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This paper deals with the area of solder joints reliability and narrower focus is on solder joints on SMD ceramic resistor arrays in configuration 8x0603. These SMD ceramic resistor arrays are soldered on 30 testing boards and every board includes two packages. Testing boards are exposed to influences of temperature changes in the temperature chamber. The range of temperature changes is from −25 °C...
Glycosylation is one of the most common post-translational modifications (PTMs) of proteins, the characterization of which is commonly achieved utilizing mass spectrometry (MS). However, its applicability is currently limited by the lack of computational tools capable of autmoated interpretation of high throughput MS experiments which would allow the characterization of glycosylation sites and their...
The multimedia home platform (MHP) provides a new level of interactivity, which has been standardized with digital video broadcasting DVB. Nowadays, TV watchers can vote, play a game, do shopping or any other things with the DVB-MHP set-top-boxes. This paper describes the universal MHP application for broadcasting, displaying and recording image or video from various distant IP cameras.
Mechanisms providing quality of services (QoS) in wireless LAN networks based on the 802.11e standard are described. OPNET software was used to model equivalent networks with and without QoS support. The resulting parameters of both networks, such as media access delay, end-to-end delay, packet queue size, queuing delay or bit error rate were compared. The influence of introducing the QoS mechanism...
The real time protocol (RTP) and its accompanying real time control protocol (RTCP) are employed in multicast applications. The RTCP protocol is used to distribute feedback on multimedia transmission among session members. The feedback is reported by sending, among others, RR (receiver report) and SR (sender report) packets. With the specific-source multicast, the hierarchical aggregation is used...
Digital video broadcasting-terrestrial (DVB-T) is important occasion in these days. But HDTV broadcasting is not widely used in Europe in DVB-T nets due high bandwidth requirements. Several solutions of this problem are discussed in this paper. Scalable video coding is the first choice but not very useful. MPEG-4 AVC coding algorithm brings a lot of new features and better compression efficiency also...
RTCP is the accompanying protocol to the RTP, which is very important for the feedback on the control of multimedia streaming services. The bandwidth for RTCP is related to the bandwidth available to the whole session and is limited to 5 %. This fact is a limiting factor for large scale media streaming services based on SSM because of bandwidth sharing among a large number of receivers. The paper...
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