Assessment of the impact parameters switching in the switching-modulation converters

Abstract

Introduction. The switching-modulation commutator (SMC) in the front part is used in design of the highly-sensitive radiometric systems with modulation type. These devices may restrict a band of the input broadband signals from the object of interest. This leads to a reduction of the sensitivity and accuracy. The purpose is to perform calculations of the optimal parameters of SMC using generalized complex values (GCV). Main body. The transients in the shoulders of SMC under the impact of control signal F0(t), divergence of values of the reflectivity (Г) and transfer coefficient (S) in the different channels, also radio-thermal parasitic noises of the adjacent elements may affect the value of errors that are made by SMC are shown in this article. Estimations of the GCV values dependence are performed under the deviation of the SMC parameters by ±10%. Conclusions. Using SMC in the front part of the radiometric system we can obtain the maximum ratio “signal-noise” that provided by wavelength 1.9 mm, equality of the modules of SMC elements with distinction of its phase values. The modules of the GCV from antennas X1 and X2 are differ in 2.1 times and the phase parts – in 1.3 times. The sensitivity of the GCV is different towards to the deviation (±10%) of the optimal parameters (module and phase parts) of the RF circuits (radiometric devices) and could vary from hundredth of a percent to 90%.

Authors and Affiliations

V. Kutsenko, A. Yanenko, K. Shevchenko

Keywords

Related Articles

Expert and fuzzy systems application for information security risks assessment of information and telecommunication systems

The risks assessment is one of the main stages during the development and maintenance processes of the secure information and telecommunication systems (ITS). The expert and fuzzy systems application for information secu...

The scattering of electromagnetic waves by planar lattice of dielectric resonators

Its present an investigation numerical results of the problem scattering plane electromagnetic waves on dielectric resonator square lattices. Every resonator of lattice is excited on main azimuthally symmetric oscillatio...

Interface of magnetoresistive converter of active power

The vehicle and programmatic interfaces of magnetoresistive converter of active power are considered, the results of statistical treatment of the multiple measuring of active-power are analysed.

The comparative analysis algorithms of the adaptive estimate radio channels connect parameters

The comparative analysis of the estimation devices for radio communications channels is conducted on the basis of the gradient method and Caiman filtration using the precision and calculate characteristics

Evaluation of electromagnetic compatibility of highfrequency induction systems in a local facility

The article shows one approach to assess the electromagnetic environment in a local facility that is running induction system for transferring high frequency signals. A distinctive feature of these systems is to use a re...

Download PDF file
  • EP ID EP308875
  • DOI 10.20535/RADAP.2014.57.83-91
  • Views 92
  • Downloads 0

How To Cite

V. Kutsenko, A. Yanenko, K. Shevchenko (2014). Assessment of the impact parameters switching in the switching-modulation converters. Вісник НТУУ КПІ. Серія Радіотехніка, Радіоапаратобудування, 0(57), 83-91. https://europub.co.uk./articles/-A-308875