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Research of Circular Polarisation Quality by Broadband Antennas up to 40 GHz
This paper presents the investigation of circular polarization quality by using a dual polarized broadband antenna and a hybrid coupler in comparison with broadband outgoingports. By means of the phase shifted signals incom...
JA - Elektronika a optoelektronika, elektrotechnika
- 2011 •
- D
Rok uplatnění
D - Stať ve sborníku
Measurements of Dual Band Dual Polarized Base Station Antenna
Not available...
JA - Elektronika a optoelektronika, elektrotechnika
- 2001 •
- D
Rok uplatnění
D - Stať ve sborníku
New supersymmetric sigma-model duality
) and polar multiplets; and (ii) polar-polar duality. We demonstrate that the dual of any. As an application of polar-polar duality, we study self-dual models. (for which target spaces ar...
BF - Elementární částice a fyzika vysokých energií
- 2010 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Comparison of Radar-Based Hail Detection Using Single- and Dual-Polarization
on single-polarization radar data and a technique, which uses dual-polarization radar, indicated a weak enhancement of the number of false detected hail pixels via the dual-polarization hydrometeor classi...
Meteorology and atmospheric sciences
- 2019 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
Výsledek na webu
Dual-Band Circularly Polarized Antenna
This paper deals with the design of an dual-band circularly polarized active antenna. The antenna operates at the L1 and L5 frequency bands. The design of the active antenna consists of the antenna design and the preamplifier design...
JA - Elektronika a optoelektronika, elektrotechnika
- 2011 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Antenna Range Illuminator Based on a Septum Polarizer and a Dual Mode Horn
In this paper, an original design of a range illuminator based on a stepped septum polarizer and a dual mode horn is discussed. However, the designed polarizer for the subsequent optimization is described, and based on this...
Electrical and electronic engineering
- 2016 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
Výsledek na webu
Research of Circular Polarisation Quality by Using Quad Ridged Horn Antenna
This document presents the investigation of circular polarization quality by using a dual polarized broadband antenna and a hybrid coupler. The hybrid coupler incominginto dual polarized antenna the circul...
JA - Elektronika a optoelektronika, elektrotechnika
- 2010 •
- D
Rok uplatnění
D - Stať ve sborníku
Dual-mode horn design
The article deals with the design of circularly polarized horn antenna for frequency 1.57542 GHz (GPS L1). The design is based on higher order waveguide mode polarization purity in the main beam. Results are compared to the simple p...
JA - Elektronika a optoelektronika, elektrotechnika
- 2013 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Dual-Band Antenna for Global Navigation Satellite System
This paper deals with the design of an active dual-band circularly polarized (CP) microstrip antenna for global position satellite application. The proposed single-fed dual-band CP design is achieved by two stacked square m...
JA - Elektronika a optoelektronika, elektrotechnika
- 2009 •
- D
Rok uplatnění
D - Stať ve sborníku
Magnetic cloud as a dual-polarity flux rope.
The magnetic cloud of November 17/18, 1975 is analyzed and it is shown that measurements of magnetic field and solar wind plasma are consistent with the interpretation that this magnetic cloud is a dual-polarity flux rope which cons...
BN - Astronomie a nebeská mechanika, astrofyzika
- 2001 •
- D
Rok uplatnění
D - Stať ve sborníku
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