Abstract
The principles of constructing an active low-element antenna array for a local navigation system are presented. The results of calculation and modeling of a low-element lattice are presented. The selection of the parameters of the antenna array is produced. Comparative results of modeling a low-element array with passive and active antenna elements are presented.
Highlights
Special attention is paid to the creation of remote traffic control systems, including the creation of crewless ships
The method for measuring the position of a ship proposed in [1] allows creating a local navigation system that provides the determination of the instantaneous coordinates of a ship with accuracy sufficient to provide remote control of the mooring
The use of a single-port amplifier together with an external circulator opens up good prospects for replacing traditional two-port transistor amplifiers in local navigation and RFID systems
Summary
Special attention is paid to the creation of remote traffic control systems, including the creation of crewless ships. The method for measuring the position of a ship proposed in [1] allows creating a local navigation system that provides the determination of the instantaneous coordinates of a ship with accuracy sufficient to provide remote control of the mooring. In this case, the main source of the error in determining the coordinates is the ship’s pitching, which leads to a spread of coordinates due to the movement of the antenna, and to fading of the measuring signal. Due to the formation of a discretely tunable radiation pattern of the antenna array and the use of active antenna elements, the accuracy and signal to noise ratio of the local navigation system can be significantly increased
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