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ul. Professora Popova, 5,
St. Petersburg
APP`2019
10 OCTOBER, 2019
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Keynote Talk

Joel P. Dunsmore
Keysight Technologies,
USA

OTA Noise Figure of Phased-Array and Active Antennas

Invited Talks

Natasha Antonyuk
Staal Technologies B.V.,
Netherlands

Highly Integrated 60GHz Radar ASIC with Integrated Antennas on Silicon
Staal Technologies' millimeter-wave frequency modulated continuous wave (FMCW) radar is a miniature, complete functional 60 GHz BiCMOS single-chip with included all RF functionality in combination with on-chip integrated antennas. The radiation pattern and the beam-width of the antennas-on-silicon are fixed by the design of the silicon and the package. However, Staal Technologies has demonstrated that the addition of a horn and/or a lens gives the possibility of changing the beam-width of the radiation pattern which means that our unique radar IC's provides ideas for a myriad of unrevealed projects and applications.
60 GHz radar delivers exceptionally high accuracy detection together with the ability to separate objects from each other. Highly dependable and very flexible, this makes it ideal for virtually all industrial applications relying on accurate detection for either single or multiple objects. Some examples are: level measurement, height/distance ranging, velocity, angle of arrival, indoor and outdoor presence sensing, smart lighting, traffic monitoring, heart rate monitoring, gesture recognition.
Furthermore, accuracy when measuring objects in very close proximity to each other is enhanced due to our radar's high resolution 7 GHz bandwidth.


Matthias Hein
Technische Universität Ilmenau,
Germany

Automotive Antenna Design and Testing


Sungtek Kahng
Incheon National University,
Republic of Korea

5G Mobile sub-6 GHz MIMO and 28 GHz Beamforming Antennas


Andon Lazarov
Naval Academy in Varna, Bulgaria
Inverse Synthetic Aperture Radar (ISAR) Geometry, Kinematics, Signal Modeling and Image Reconstruction Algorithms
Aperture synthesis is an approach in astronomy, radio-, laser- and sonar locating and imaging technologies for creating artificial antenna arrays with high resolution patterns. Two kinds of aperture synthesis can be
defined, direct aperture synthesis and inverse aperture synthesis. The former is created by moving of an antenna with a wide pattern over observed surface or object, the latter is created by moving of the
observed object in the frame of an antenna pattern. In both cases a reflectivity patterns or radar cross-sections of the observed surface and objects are recorded (registered). In some extent, the objects' reflectivity patterns or radar cross sections can be called synthetic apertures. In common case the synthetic apertures are two-dimensional ones. The first dimension, along track or azimuth, is realized by movement of the antenna or the object, the second dimension is realized by using high-informative wide band frequency waveforms.
The focus of the present research is on the inverse aperture synthesis and its applications in high resolution imaging radar – Inverse Synthetic Aperture Radar (ISAR). The main goals are as follows: three-dimensional geometry and kinematics of ISAR scenario, high informative waveforms (signals) with linear frequency modulation, stepped frequency modulation, phase code modulation, and complementary phase code modulation, ISAR signal formation with aforementioned waveforms, non parametric and parametric image reconstruction algorithms and auto focusing procedures. To verify geometrical and signal models, and imaging algorithms results of numerical experiments are provided.


Dmitry Lyubchenko
Institute for High Pressure Physics, PAS, Poland
KTH Royal Institute of Technology, Sweden

Tunable Carbon Nanomaterials for THz Beam Steering Applications
The research and development in the frequency region of 0.1-1.5 THz is extremely significant for wide range of applications, In spite of the problems in technology and high prices for basic components (e.g. phase shifters, directional couplers, etc.) in the THz systems meet expanding interest of consumers. Dielectric rod waveguides (DRW) are the promising transmission lines, when low loss dielectric materials are used, and can be combined with semiconductor devices (oscillators, detectors, mixers, etc.) in the hybrid and/or monolithic integrated circuits. DRW offer a new opportunity for passive and active component performance, as it allows to decrease the insertion loss. Besides, DRWs have no cut-off frequency enabling broad band operation.
The DRW is an open, i.e., not metal-shielded, waveguide system allowing to affect it with outside electro-magnetic fields including light. If one of the DRW walls is covered with a variable impedance layer, the propagation constant can be tuned. Existing materials with tunable electrical parameters are usually very lossy at upper millimeter-wave to THz frequencies. Thin layers of optically-controlled carbon nanotubes (CNTs) are proposed in this paper as a novel solution. The simplicity of the CNT deposition gives an opportunity to cover a large area, which is essentially important for e.g. for reflector surface coating, sensor matrices, etc. CNT components can be integrated with DRW antenna elements for THz beam steering applications.

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