Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Ahmet Kenan Keskin"'
Publikováno v:
Volume: 23, Issue: 5 1479-1488
Turkish Journal of Electrical Engineering and Computer Science
Turkish Journal of Electrical Engineering and Computer Science
A modified double-ridged horn structure is proposed to obtain ultrawideband antenna characteristics over a bandwidth ratio of greater than 40:1 for impulse radar systems. The Vivaldi-shaped TEM horn feeder has been designed to extend the lower cut-of
Autor:
Mehmet Burak Ozakin, Alper Caliskan, Mustafa Dagcan Senturk, Ahmet Serdar Turk, Ahmet Kenan Keskin, Serkan Aksoy
Publikováno v:
Near Surface Geophysics. 13:261-267
This paper presents ultra-wide band (UWB) horn feeder and parabolic reflector antenna designs, which are considered highly suitable for forward-looking vehicle-mounted ground-penetrating radar (GPR) systems and time-domain numerical modelling of impu
Publikováno v:
2016 IEEE Radar Methods and Systems Workshop (RMSW).
In this paper, a 24 GHz millimeter wave (mm-wave) short range radar system is presented. In the designed radar system, there is one transmitter and one receiver channel. The transmitter channel has +9 dBm output power and 24 GHz output carrier signal
Publikováno v:
2016 8th International Conference on Ultrawideband and Ultrashort Impulse Signals (UWBUSIS).
This paper presents impulse generator for ground penetrating radar (GPR) transmitter based on multiplication effect of avalanche transistor. Different impulse generators are designed using single and multiple avalanche transistors. Circuits with mult
Publikováno v:
2016 17th International Radar Symposium (IRS).
In this paper front-end design for a Ka band milimeter wave (MMW) radar which consists of an antenna, a low noise amplifier (LNA) and a band pass filter is presented. The operation frequency of the designed system is between 24–25 GHz in Ka band. A
Publikováno v:
2016 17th International Radar Symposium (IRS).
In this paper, a quasi-horn antenna array, which is combination of 4 × 4 slot array and its flares, is designed for Ku band monopulse radiation. The slots are fed by waveguide power divider. In order to obtain sum and difference radiation pattern, a
Autor:
Ahmet Serdar Turk, Ahmet Kenan Keskin
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 11:921-924
In this letter, a partially dielectric-loaded double-ridged horn antenna (PD-DRHA) that operates at 1-18-GHz frequency band is proposed for ultrawideband applications. The partially dielectric loading technique using a small lens inward the aperture
Publikováno v:
2015 8th International Workshop on Advanced Ground Penetrating Radar (IWAGPR).
In this paper, it is presented that quasi TEM-Horn antenna array to rescue buried victims under rubble. Designed antenna array, which consists of 4 elements, is operated between 400 MHz and 2 GHz. In order to penetrate electromagnetic wave into rubbl
Autor:
Mehmet Burak Ozakin, Mustafa Dagcan Senturk, Ahmet Serdar Turk, Ahmet Kenan Keskin, Serkan Aksoy, Abdullah Magat
Publikováno v:
2013 7th International Workshop on Advanced Ground Penetrating Radar.
This paper presents ultra-wide band (UWB) TEM horn antennas and TEM horn-fed parabolic reflector designs., which are suitable for down-looking and forward-looking vehicle-mounted impulse GPR systems., respectively. On this scope., partial dielectric
Publikováno v:
2013 6th International Conference on Recent Advances in Space Technologies (RAST).
In this work, a determinististic, efficient design methodology is put forward to design a wide-band, low-noise microstrip amplifier, where the microstrip widths, lengths {W→,l→} of the input/ output matching networks are obtained accurately and f