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Digital Method Of Signal Direction Finding Via Multi-Beam Circular Antenna Array - Effect Of Antenna Element Number And Mutual Spacing On Direction Determination Accuracy
The paper deals with a problem to appreciate the effect of antenna element number and their mutual spacing used by a multi-beam circular antenna array (CAA the operation algorithm of minimized and...
KA - Vojenství
- 2007 •
- D
Rok uplatnění
D - Stať ve sborníku
Direction Finding System with Multi-lobe Antenna Array and its Possibilities as Passive Sensor for Network Enabling Capabilities
with the multi-lobe circular antenna array (CAA). The multi-lobe CCA is used as one of many Butler matrix (MMBM). to usecircular array the concept of this DF system is based on ...
KA - Vojenství
- 2007 •
- D
Rok uplatnění
D - Stať ve sborníku
Omnidirectional multi-lobe passive direction finder with modified Butler matrix algorithm using
of the signal of interest. The article brings a concept of the PDF with the multi-lobe circular antenna array (CAA) for the omnidirectional interception of signalsThe article deals with an omnidirectional mult...
KA - Vojenství
- 2010 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Omnidirectional radar signal passive direction finder with circular antenna array for X-band
An omni-directional passive direction finder (PDF) with a multi-lobe circular antenna array (CAA) enables to determine the direction of arrival (DOA) signals on the modified Butler matrix (MBM) op...
KA - Vojenství
- 2010 •
- Gfunk
Rok uplatnění
Gfunk - Funkční vzorek
Direction of Arrival Determination via Circular Antenna Array for Passive Direction Finding System of Target Tracking
Transactions (the research report) deals with using of a circular antenna array (CAA) used in multi-lobe passive direction finding (DF) system (of target tracking algorithm of modified Butler matrix
KA - Vojenství
- 2009 •
- O
Rok uplatnění
O - Ostatní výsledky
2×2 patch antenna array with SIW-based beam-switching network
The paper deals with a design of a 2×2 patch antenna array with an SIW-based beam-switching network. This antenna operates in the ISM band with the central frequency of 5,8 GHz. A feeding network based on Butle...
Electrical and electronic engineering
- 2021 •
- O •
- Link
Rok uplatnění
O - Ostatní výsledky
Výsledek na webu
Passive Direction Finding Possibilities by Two-element Antenna Array for X-band
of two-element antenna array. They are used two DF amplitude-based methods monopulse method. The second method of DF is a digital method based on modified Butler matrix algorithm operation. The comparing of both D...
KA - Vojenství
- 2008 •
- O
Rok uplatnění
O - Ostatní výsledky
Antenna array system with integrated Butler matrix for the 1.4 GHz band
the phased array antenna. The inputs of the Butler matrix are fed to an antenna switch of the Butler matrix and transmitted by the antenna array to the corresponding se...
Telecommunications
- 2025 •
- Fuzit
Rok uplatnění
Fuzit - Užitný vzor
The Appreciation of Passive Direction Finding Possibilities via the Amplitude Monopulse Method Using Circular Antenna Array for X-band
system with a circular antenna array (CAA). To achieve the full coverage 360 degrees in the azimuth, passive systems are forced to use multi-beam antenna arrays (typically CAA monopulse ...
KA - Vojenství
- 2010 •
- D
Rok uplatnění
D - Stať ve sborníku
Using of Circular Antenna Array Mathematical Models for the Evaulation of Direction-of-arrival Determination Accuracy
The contribution deals with possibilities of mathematic model using for direction of arrival (DOA) determination accuracy evaluation of an omnidirectional multi-lobe passive direction finder (PDF)....
JA - Elektronika a optoelektronika, elektrotechnika
- 2011 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
Výsledek na webu
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