The article discusses the main trends in the improvement of modern optoelectronic surveillance tools created on the basis of laser rangefinders.

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A coaxial contact device for connection to the microwave transition analyzer is proposed as coaxial measures for calibrating the analyzer, and the investigated strip line junctions for measuring their S-parameters. In addition, a method for calibrating this device with one or two calculated coaxial-to-stripline calibrators, providing the transfer of the results of calibration of the analyzer by coaxial measures to the measurement of S-parameters of the strip line junctions is presented.