Browsing by Publisher "GEOZONDAS Ltd"
Now showing items 1-12 of 12
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3D Vector electric field distributions and dispersion characteristics of open rectangular and circular metamaterial waveguides
(18th international conference on microwave, radar and wireless communications (MIKON-2010). 4th Microwave and radar week (MRW-2010). Vilnius, Lithuania, June 14-16, 2010 : conference proceedings. Vol. 2, 2010)Here we present the 3D vector electric field distributions of the main and the first higher modes propagating in the open metamaterial rod and hollow-core waveguides. -
Analysis of helical systems containing periodical inhomogeneities
(18th international conference on microwave, radar and wireless communications (MIKON-2010). 4th Microwave and radar week (MRW-2010). Vilnius, Lithuania, June 14-16, 2010 : conference proceedings, 2010)Properties of helical systems containing periodical inhomogeneities are considered. The multiconductor line method is applied for modeling of the systems and calculations of retardation factor and input impedance. ABCD ... -
Analysis of rectangular microstrip structures by the method of moments
(18th international conference on microwave, radar and wireless communications (MIKON-2010). 4th Microwave and radar week (MRW-2010). Vilnius, Lithuania, June 14-16, 2010 : conference proceedings, 2010)Rectangular microstrip structures (RMS) are widely used in various microwave devices. Using the method of moments and principle of partial images, various techniques are created to determine charge distribution in 2D models ... -
Data fusion algorithms for sea target tracking using coastal radar model
(11th International Radar Symposium (IRS-2010). 4th Microwave and radar week (MRW-2010). Vilnius, Lithuania, 16-18 June 2010, 2010)The fusion of multiple monitoring systems data is very important, to get a full view of situation in coastal waters. Sea target tracking algorithm is modeled, coast radar system model implemented, multiple ships tracking ... -
Dispersion dependencies of glass pipe waveguides filled with lossy biological liquids
(18th international conference on microwave, radar and wireless communications (MIKON-2010). 4th Microwave and radar week (MRW-2010). Vilnius, Lithuania, June 14-16, 2010 : conference proceedings. Vol. 2, 2010)Here we present dispersion characteristic dependencies of the main mode of open cylindrical hollow-core glass waveguides filled with blood and lymph at three different internal waveguide radii and two waveguide materials ... -
Gyrotropic waveguides analysis based on the neural
(18th international conference on microwave, radar and wireless communications (MIKON-2010). 4th Microwave and radar week (MRW-2010). Vilnius, Lithuania, June 14-16, 2010 : conference proceedings, 2010)The paper addresses the problem of the cylindrical gyrotropic waveguide analysis by an electrodynamical model. The technique of semi-automatic extraction of the dispersion characteristics by the use of single-layer perceptron ... -
Interaction of thin conductive sheets with TE10 electromagnetic wave in rectangular waveguide
(18th international conference on microwave, radar and wireless communications (MIKON-2010). 4th Microwave and radar week (MRW-2010). Vilnius, Lithuania, June 14-16, 2010 : conference proceedings. Vol. 2, 2010)Numerical investigation of a thin conductive layer, interacting with TE10 electromagnetic field mode in rectangular waveguide, was performed. A finite-difference time-domain method with subcell technique was applied to ... -
Lithuanian experience of evaluation on radar antenna radiation
(18th international conference on microwave, radar and wireless communications (MIKON-2010). 4th Microwave and radar week (MRW-2010). Vilnius, Lithuania, June 14-16, 2010 : conference proceedings, 2010)A method for calculating intensity of electromagnetic fields radiated by powerful radars equipment is proposed in this paper. Taken attention that in calculations it is necessary to use average radiated power. The results ... -
Method of dynamic parameters measurement of high-speed D/A converters
(18th international conference on microwave, radar and wireless communications (MIKON-2010). 4th Microwave and radar week (MRW-2010). Vilnius, Lithuania, June 14-16, 2010 : conference proceedings, 2010)Developed sampling device and algorithm of digital signal processing for automated measurement of settling times of fast D/A converters is represented. The new sampling device with numerically controlled oscillators allows ... -
Microwave radar for express testing of semiconductor materials
(18th international conference on microwave, radar and wireless communications (MIKON-2010). 4th Microwave and radar week (MRW-2010). Vilnius, Lithuania, June 14-16, 2010 : conference proceedings, 2010)The microwave radar for express testing of semiconductor materials consisting of pulsed magnet, transmitting and receiving antennas, HF generator, pulsed modulator and digital oscilloscope are described. In semiconductor ... -
Synthesis of microstrip multiconductor lines, operating in normal mode
(18th international conference on microwave, radar and wireless communications (MIKON-2010). 4th Microwave and radar week (MRW-2010). Vilnius, Lithuania, June 14-16, 2010 : conference proceedings, 2010)Microstrip multiconductor lines (MMCL) are broadly used in microwave areas as transmission lines, or as physical models for developing various devices: couplers, filters etc. In general case, separate waves propagate along ... -
Three dimensional magnetic field distributions and dispersion characteristics of Rectangular And Circular SiC Waveguides
(18th international conference on microwave, radar and wireless communications (MIKON-2010). 4th Microwave and radar week (MRW-2010). Vilnius, Lithuania, June 14-16, 2010 : conference proceedings. Vol. 2, 2010)Here we present the 3D vector magnetic field distributions of the main mode and the first higher modes propagating in lossy SiC rod waveguides at different temperatures and the dispersion characteristics of the SiC rectangular ...