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165.608  Articles
1 of 16.562 pages  |  10  records  |  more records»
The paper deals with correlation-extreme navigation to define coordinates of unmanned aerialvehicles more precisely. Normalized morphologic correlation coefficient was chosen as criterionfunction. Images were processed with the help of intensity based and... see more

Are the theory and techniques of navigation systems and guidance on geophysical fields (the socalled correlation-extreme navigation systems) considered. The classification of magnetic fields, on-board magnetometers, the main components of measurement erro... see more

A refinement of the current image model has been accomplished, which are formed by separate channels of the combined correlation-extreme navigation system depending on the spatial position of the unmanned aerial vehicle and its changes. The model takes in... see more

Methods of classification of correlation extremal navigation systems and geophysical fields are examined. The block diagram of correlation extremal navigation systems, which works in risk conditions of current navigational and mapping information, is intr... see more

Hierarchical approach to data fusion in complex navigation system is proposed. Low level ofdata processing in correlation extreme navigation system includes forming and selecting the most informativerelevant features. Advanced algorithm is therefore devel... see more

The problem of aircraft control is considered for certain class of situation, namely when aircraft enters GPS-denied zone with significant disturbances of different nature which may cause the constructive damage and the loss of control. The only source of... see more

Chuhraev N. V., Zukow W. ???????? ??????? ?????????? ????????? ????????? ???? ?????????????? ????????? ?? ?????? ??????? ????????????? ??????? ????? = The algorithm for calculating the parameters of a radiation oncology correlation-extreme recognition sys... see more

The particle filter offers a general numerical tool to approximate the posterior density function for the state in nonlinear and non-Gaussian filtering problems. While the particle filter is fairly easy to implement and tune, its main drawback is that it ... see more

On the basis of analysis of scientific achievements in the field of correlation-extremal systems of piloted aircraft and the peculiarities of their application are discussed exist-ing problems and ways to enable high-precision guidance of aircraft.

1 of 16.562 pages  |  10  records  |  more records»