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We present an improved mobile Ad Hoc Network on-demand routing protocol which based on AODV by controlling the broadcasting of RREQ information. This protocol analysis the lifetime of node when implementing routing discovery, and avoiding the unnecessary information sending efficiently. By compare AODV with IAODV in the same scenario, the new protocol is(More)
OBJECTIVE To identify the magnetic resonance (MR) features of a group of pediatric patients with Leigh syndrome (LS) caused by SURF1 gene 604G-->C mutation. MATERIALS AND METHODS Eight cases with definite diagnosis of SURF1 gene 604G-->C mutation in our hospital were reviewed. Most cases presented typical symptoms in their infancy or childhood, with(More)
BACKGROUND The General Practice Department of Fudan University recognised that a traditional didactic educational approach will not achieve expected learning outcomes. Therefore, the Department adopts an integrated learning and teacher-centred approach. AIM To evaluate the effect of introducing integrated learning and a teacher-centred approach to(More)
This paper presents a design of a a high-precision shaft angle acquisition system used in the solar panel by the implementation of absolute round induetosyn as angle sensor, the Direct Digital Synthesizer (DDS) and resolver to digital converter (RDC), and the AVR micro controller which is used as the central processor. This paper also introduces the(More)
Currently the research on input-queued ATM switches is one of the most active research fields. Many achievements have been made in the research on scheduling algorithms for unicast input-queued ATM switches and also applied in commerce. But the goal of the research on scheduling algorithms for multicast input-queued ATM switches only focuses on providing(More)
This paper mainly introduced a FPGA-based design model for low-bit Remote Subcarrier. This demodulation method is designed to accomplish carrier synchronization and bit synchronization quickly and effectively. It can achieve synchronization in FPGA which refer to the theory of software wireless. We should validate the arithmetic whether can satisfy the need(More)
The fault diagnosis model of steam turbine based on Bayesian network is direct impacts on the complexity of the diagnostic process, so the construction of Bayesian network model is the primary problem. According actual fault diagnosis system of steam turbine containing redundancy and uncertain information, proposed attribute reduction method to fault(More)
The research of congestion control for Internet reliable multicast is one of the most active fields in reliable multicast protocol research. Many reliable multicast congestion control mechanisms have been put forward. In this paper we present principal problems of congestion control for Internet reliable multicast, analyze solutions and difficulties of(More)