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  1. No Access

    Article

    Three-Probe Microwave Interferometry for Measuring Displacement of Mechanical Objects with Account for Antenna Reflectivity

    This paper addresses the problem of displacement measurement by a three-probe implementation of microwave interferometry in cases where the reflection coefficients of the object under measurement (target) and ...

    M. V. Andreev, O. O. Drobakhin… in Radioelectronics and Communications Systems (2022)

  2. No Access

    Article

    Determination of Biconical Cavity Eigenfrequencies Using Method of Partial Intersecting Regions and Approximation by Rational Fractions

    The paper considers the problem of determining the eigenfrequencies of biconical cavity making it possible to simplify the eigenfrequency-based design of devices. We used the solving of the excitation problem ...

    M. V. Andreev, O. O. Drobakhin… in Radioelectronics and Communications Systems (2019)

  3. No Access

    Article

    Simple technique for biconical cavity eigenfrequency determination

    A number of features of biconical cavities make them attractive for various applications. Expressions for the calculation of the eigenfrequencies of a biconical cavity with large cone angles can be derived usi...

    M. V. Andreev, O. O. Drobakhin… in Radioelectronics and Communications Systems (2017)

  4. No Access

    Article

    Approximate calculation of eigenfrequencies of biconical microwave cavities

    Simplified expressions are obtained for the calculation of the eigenfrequencies of a biconical cavity with large apex angles with the use of two symmetrical points at the boundaries of overlap** partial regi...

    O. O. Drobakhin, P. I. Zabolotnyy… in Radioelectronics and Communications Systems (2013)

  5. No Access

    Article

    Taking into account the impact of coupling elements on the resonance phenomena in biconical resonators

    Investigations of the impact of dimensions of the coupling holes in open and closed biconical resonators on their field structure and resonance properties were performed. A number of concrete results were obta...

    O. O. Drobakhin, P. I. Zabolotnyy… in Radioelectronics and Communications Systems (2010)

  6. No Access

    Article

    Increase in the resolution of the reflection coefficient Fourier-transform method by spectrum extrapolation based on the method of the minimum duration principle

    An approach is proposed to increasing the resolution of a technique for synthesizing the time reflection characteristics of a dielectric layered structure using extrapolation of the measured frequency dependen...

    O. S. Antropov, O. O. Drobakhin in Russian Journal of Nondestructive Testing (2009)

  7. No Access

    Article

    Computerized Measuring Apparatus for Radio-Frequency NDT of Dielectric Objects: Hardware and Software

    The paper describes the structure and operational algorithms of a modified computerized measuring apparatus which measures reflective characteristics of objects placed outside the measuring channel at one or s...

    O. O. Drobakhin, E. V. Kondrat'ev in Russian Journal of Nondestructive Testing (2003)

  8. No Access

    Article

    Interpretation of results of multifrequency measurements in checking multilayer dielectric structures

    E. L. Bartashevskii, O. O. Drobakhin, I. V. Slavin in Measurement Techniques (1984)