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The possibility of using asynchronous sigma-delta modulation in primary signal converters for precision event timers is considered. A demodulation method based on the moving averaging of a signal and on using the measurements of zero-crossing instants is investigated. The moving averaging of a...
A semi-Markov model of a single-server queue GI/G/1/0 is constructed with regard to server maintenance that is carried out at the end of customer service if the total operation time (counted from the moment of the most recent maintenance or restoration) reaches a certain amount of time during...
The paper analyzes high energy concealment factor techniques for satellite communications systems by lowering the carrier frequency (to f
0 = 100…30 MHz) is carried out. According to research experiments, fading in communication channels with diversity reception is also determined by the...
The article describes the basics of organizing the interoperability of equipollent nodes in a wireless mesh-network with time division multiple access. The nodes of such a network may be mobile. The questions of synchronization and time slot allocation are studied. A solution to the hidden nodes...
It is often desirable to have statistical tolerance limits available for the distributions used to describe time-to-failure data in reliability problems. For example, one might wish to know if at least a certain proportion, say β, of a manufactured product will operate at least T hours. This...
In this paper, an image segmentation method using automatic threshold based on improved genetic selecting algorithm is presented. Optimal threshold for image segmentation is converted into an optimization problem in this new method. In order to achieve good effects for image segmentation, the...
This paper addresses an adaptive method for designing a sensorless trajectory tracking control scheme for a wheeled mobile robot. In order to reduce the cost of the robot, a new Nonlinear Observer (NOB) is used to leave out velocity sensors in the robot. Also, an adaptive model reference...
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