Lotfollah Shafai,: search on Z-Library

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1

Artificial magnetic conductor using split ring resonators and its applications to antennas

Soon-Soo Oh, Lotfollah Shafai

Journal:

Microwave and Optical Technology Letters

Year:

2006

Language:

english

File:

PDF, 303 KB

english, 2006

2

Design procedure of a filter-antenna module implemented in substrate integrated waveguide technology

Nova, Omar A., BohÃ³rquez, Juan C., PeÃ±a, NÃ©stor M., Bridges, Greg E., Shafai, Lotfollah, Shafai, Cyrus

Journal:

Analog Integrated Circuits and Signal Processing

Year:

2012

Language:

english

File:

PDF, 764 KB

english, 2012

3

A Compact Antenna for GPS Anti-Jamming in Airborne Applications

Rezazadeh, Navid, Shafai, Lotfollah

Journal:

Year:

2019

Language:

english

File:

PDF, 1.80 MB

english, 2019

4

Filter-Antenna Module Using Substrate Integrated Waveguide Cavities

Nova, Omar A., Bohorquez, Juan C., Pena, Nestor M., Bridges, Greg E., Shafai, Lotfollah, Shafai, Cyrus

Journal:

IEEE Antennas and Wireless Propagation Letters

Year:

2011

Language:

english

File:

PDF, 345 KB

english, 2011

5

X-Band Tunable Frequency Selective Surface Using MEMS Capacitive Loads

Safari, Mojtaba, Shafai, Cyrus, Shafai, Lotfollah

Journal:

IEEE Transactions on Antennas and Propagation

Year:

2015

Language:

english

File:

PDF, 950 KB

english, 2015

6

Investigation of four-arm Archimedean spiral antennas with a built-in balun for balanced multi-mode operations in GPS applications

Mehrabani, Ali M., Shafai, Lotfollah

Journal:

Microwave and Optical Technology Letters

Year:

2016

Language:

english

File:

PDF, 692 KB

english, 2016

7

Polarisation reconfigurable, centre-fed, and low-profile Archimedean spiral antennas with unidirectional broadside patterns

Mehrabani, Ali, Shafai, Lotfollah

Journal:

IET Microwaves Antennas & Propagation

Year:

2017

Language:

english

File:

PDF, 3.19 MB

english, 2017

8

[IEEE the American Electromagnetics Conference (AMEREM) - Ottawa, ON, Canada (2010.07.5-2010.07.8)] 2010 14th International Symposium on Antenna Technology and Applied Electromagnetics & the American Electromagnetics Conference - Comparison of two different simulation methods for the design of reflect-arrays

Safari, Faezeh, Shafai, Lotfollah

Year:

2010

Language:

english

File:

PDF, 762 KB

english, 2010

9

[IEEE 2013 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting - Orlando, FL, USA (2013.07.7-2013.07.13)] 2013 IEEE Antennas and Propagation Society International Symposium (APSURSI) - An MST-based microwave tomography system using homodyne receiver

Ostadrahimi, Majid, Asefi, Mohammad, LoVetri, Joe, Bridges, Greg E., Shafai, Lotfollah

Year:

2013

Language:

english

File:

PDF, 559 KB

english, 2013

10

A planar ultrawideband elliptical monopole antenna with reflector for breast microwave imaging

Latif, Saeed, Flores-Tapia, Daniel, Pistorius, Stephen, Shafai, Lotfollah

Journal:

Microwave and Optical Technology Letters

Year:

2014

Language:

english

File:

PDF, 822 KB

english, 2014

11

Wave Propagation in 1D EBGs: Periodic Multilayer Films Consisting of Two Different Materials [This Issue's Contribution]

Foroozesh, Alireza, Shafai, Lotfollah

Journal:

Antennas and Propagation Newsletter, IEEE Professional Group on

Year:

2008

Language:

english

File:

PDF, 4.23 MB

english, 2008

12

An improved integral equation for the numerical solution of two-dimensional diffraction problems

Shafai, Lotfollah

Journal:

Canadian Journal of Physics

Year:

1970

Language:

english

File:

PDF, 381 KB

english, 1970

13

[IEEE the American Electromagnetics Conference (AMEREM) - Ottawa, ON, Canada (2010.07.5-2010.07.8)] 2010 14th International Symposium on Antenna Technology and Applied Electromagnetics & the American Electromagnetics Conference - Comparing performance of double layer stripline fed and single layer Y2Y fed vivaldi antennas

Ostadrahimi, Majid, Noghanian, Sima, Shafai, Lotfollah, Foroozesh, Alireza

Year:

2010

Language:

english

File:

PDF, 892 KB

english, 2010

14

[IEEE 2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) - Victoria, BC, Canada (2014.7.13-2014.7.16)] 2014 16th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) - Slotted waveguide arrays for collecting near-field scattering data

OstadRahimi, Majid, Nemez, Kyle, LoVetri, Joe, Shafai, Lotfollah, Pistorius, Stephen

Year:

2014

Language:

english

File:

PDF, 295 KB

english, 2014

15

[IEEE 2010 IEEE International Symposium Antennas and Propagation and CNC-USNC/URSI Radio Science Meeting - Toronto, ON (2010.07.11-2010.07.17)] 2010 IEEE Antennas and Propagation Society International Symposium - A novel broadband design procedure for balanced compact planar tapered slot antenna

Ostadrahimi, Majid, Noghanian, Sima, Shafai, Lotfollah, Thomas, Gabriel, Pistorius, Stephen

Year:

2010

Language:

english

File:

PDF, 316 KB

english, 2010

16

Investigations on Photoresist-Based Artificial Dielectrics With Tall-Embedded Metal Grids and Their Resonator Antenna Application

Tayfeh Aligodarz, Mohammadreza, Klymyshyn, David M., Rashidian, Atabak, Borner, Martin, Shafai, Lotfollah, Mohr, Jurgen

Journal:

IEEE Transactions on Antennas and Propagation

Year:

2015

Language:

english

File:

PDF, 3.50 MB

english, 2015

17

Ultrawideband monopulse antenna with application as a reflector feed

Shafai, Lotfollah, Rezazadeh, Navid

Journal:

IET Microwaves Antennas & Propagation

Year:

2016

Language:

english

File:

PDF, 1.19 MB

english, 2016

18

Wireless-Powered Communication Networks (Architectures, Protocols, and Applications) || Basics of Wireless Energy Harvesting and Transfer

Niyato, Dusit, Hossain, Ekram, Kim, Dong In, Bhargava, Vijay, Shafai, Lotfollah

Year:

2017

Language:

english

File:

PDF, 1.40 MB

english, 2017

19

Wireless-Powered Communication Networks (Architectures, Protocols, and Applications) || Cognitive Radio Networks with Wireless Energy Harvesting

Niyato, Dusit, Hossain, Ekram, Kim, Dong In, Bhargava, Vijay, Shafai, Lotfollah

Year:

2017

Language:

english

File:

PDF, 2.69 MB

english, 2017

20

Wireless-Powered Communication Networks (Architectures, Protocols, and Applications) || Cooperative Networks with Wireless Energy Harvesting

Niyato, Dusit, Hossain, Ekram, Kim, Dong In, Bhargava, Vijay, Shafai, Lotfollah

Year:

2017

Language:

english

File:

PDF, 1.08 MB

english, 2017

21

Wireless-Powered Communication Networks (Architectures, Protocols, and Applications) || Antennas for Wireless Energy Harvesting and Massive MIMO Applications

Niyato, Dusit, Hossain, Ekram, Kim, Dong In, Bhargava, Vijay, Shafai, Lotfollah

Year:

2017

Language:

english

File:

PDF, 2.89 MB

english, 2017

22

Wireless-Powered Communication Networks (Architectures, Protocols, and Applications) || Multiple Antennas and Beamforming for SWIPT Systems

Niyato, Dusit, Hossain, Ekram, Kim, Dong In, Bhargava, Vijay, Shafai, Lotfollah

Year:

2017

Language:

english

File:

PDF, 1.59 MB

english, 2017

23

Wireless-Powered Communication Networks (Architectures, Protocols, and Applications) || Ambient Wireless Energy Harvesting in Small Cell Networks: Performance Modeling and Analysis

Niyato, Dusit, Hossain, Ekram, Kim, Dong In, Bhargava, Vijay, Shafai, Lotfollah

Year:

2017

Language:

english

File:

PDF, 548 KB

english, 2017

24

Wireless-Powered Communication Networks (Architectures, Protocols, and Applications) || Dedicated Wireless Energy Harvesting in Cellular Networks: Performance Modeling and Analysis

Niyato, Dusit, Hossain, Ekram, Kim, Dong In, Bhargava, Vijay, Shafai, Lotfollah

Year:

2017

Language:

english

File:

PDF, 529 KB

english, 2017

25

Wireless-Powered Communication Networks (Architectures, Protocols, and Applications) || Circuit Design for Wireless Energy Harvesting

Niyato, Dusit, Hossain, Ekram, Kim, Dong In, Bhargava, Vijay, Shafai, Lotfollah

Year:

2017

Language:

english

File:

PDF, 2.98 MB

english, 2017

26

Wireless-Powered Communication Networks (Architectures, Protocols, and Applications) || Backscattering Wireless-Powered Communications

Niyato, Dusit, Hossain, Ekram, Kim, Dong In, Bhargava, Vijay, Shafai, Lotfollah

Year:

2017

Language:

english

File:

PDF, 1.16 MB

english, 2017

27

[IEEE 11th International Symposium on Antenna Technology and Applied Electromagnetics [ANTEM 2005] - Saint-Malo, France (2005.6.15-2005.6.17)] 11th International Symposium on Antenna Technology and Applied Electromagnetics [ANTEM 2005] - Efficient optimization of a Yagi-Uda antenna using genetic algorithm

Modaresi, Mahyar, Shafai, Lotfollah, Lindmark, Bjorn

Year:

2005

Language:

english

File:

PDF, 975 KB

english, 2005

28

A CRPA array with dual-mode patch antenna elements for GPS applications

Rezazadeh, Navid, Shafai, Lotfollah

Journal:

Microwave and Optical Technology Letters

Year:

2018

Language:

english

File:

PDF, 807 KB

english, 2018

29

A Directional Antenna in a Matching Liquid for Microwave Radar Imaging

Latif, Saeed I., Flores Tapia, Daniel, Rodriguez Herrera, Diego, Solis Nepote, Mario, Pistorius, Stephen, Shafai, Lotfollah

Journal:

International Journal of Antennas and Propagation

Year:

2015

Language:

english

File:

PDF, 2.12 MB

english, 2015

30

Beam-squint minimization in series-slotted waveguide array antennas using double negative materials

Soon-Soo Oh, Lotfollah Shafai

Journal:

Microwave and Optical Technology Letters

Year:

2006

Language:

english

File:

PDF, 199 KB

english, 2006

31

Investigation on probe-fed open-ring microstrip antenna for miniaturization

Saeed I. Latif, Lotfollah Shafai

Journal:

Microwave and Optical Technology Letters

Year:

2006

Language:

english

File:

PDF, 771 KB

english, 2006

32

Displacement of phase center location in circular microstrip antennas

Lotfollah Shafai, Zahra Allahgholi Pour

Journal:

Microwave and Optical Technology Letters

Year:

2008

Language:

english

File:

PDF, 718 KB

english, 2008

33

Control of phase centre location in circular microstrip antennas operating at TM11 and TM02 modes

Zahra Allahgholi Pour, Lotfollah Shafai

Journal:

Microwave and Optical Technology Letters

Year:

2009

Language:

english

File:

PDF, 284 KB

english, 2009

34

Effect of feed phase errors on the crosspolarization of offset reflector antennas

Zahra Allahgholi Pour, Lotfollah Shafai

Journal:

Microwave and Optical Technology Letters

Year:

2011

Language:

english

File:

PDF, 854 KB

english, 2011

35

An extremely low-profile offset-fed curl antenna over an AMC ground

Ali M. Mehrabani, Lotfollah Shafai

Journal:

Microwave and Optical Technology Letters

Year:

2011

Language:

english

File:

PDF, 1.81 MB

english, 2011

36

Effect of air-gap on axial ratio of low profile spiral antenna

Ali M. Mehrabani, Lotfollah Shafai

Journal:

Microwave and Optical Technology Letters

Year:

2011

Language:

english

File:

PDF, 175 KB

english, 2011

37

A novel antenna design technique using finite element method and transmission line theory

Majid Ostadrahimi, Sima Noghanian, Lotfollah Shafai

Journal:

Microwave and Optical Technology Letters

Year:

2012

Language:

english

File:

PDF, 2.77 MB

english, 2012

38

Low-Cost, Microstrip-Fed Printed Dipole for Prime Focus Reflector Feed

Qudrat-E-Maula, Mohmamad, Shafai, Lotfollah

Journal:

IEEE Transactions on Antennas and Propagation

Year:

2012

Language:

english

File:

PDF, 385 KB

english, 2012

39

[IEEE the American Electromagnetics Conference (AMEREM) - Ottawa, ON, Canada (2010.07.5-2010.07.8)] 2010 14th International Symposium on Antenna Technology and Applied Electromagnetics & the American Electromagnetics Conference - A novel orthogonal linearly polarized directional antenna for ultra wideband applications

Mohamed, Abdelhalim, Shafai, Lotfollah

Year:

2010

Language:

english

File:

PDF, 889 KB

english, 2010

40

[IEEE 2012 15th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) - Toulouse, France (2012.06.25-2012.06.28)] 2012 15 International Symposium on Antenna Technology and Applied Electromagnetics - Size reduction of a double-ridged horn antenna for a bistatic radar-based breast imaging system

Latif, Saeed, Flores-Tapia, Daniel, Shafai, Lotfollah, Pistorius, Stephen

Year:

2012

Language:

english

File:

PDF, 706 KB

english, 2012

41

[IEEE 2012 15th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) - Toulouse, France (2012.06.25-2012.06.28)] 2012 15 International Symposium on Antenna Technology and Applied Electromagnetics - Parametric study of a water-filled double-ridged horn antenna for biomedical imaging application

Latif, Saeed, Flores-Tapia, Daniel, Shafai, Lotfollah, Pistorius, Stephen

Year:

2012

Language:

english

File:

PDF, 720 KB

english, 2012

42

[IEEE the American Electromagnetics Conference (AMEREM) - Ottawa, ON, Canada (2010.07.5-2010.07.8)] 2010 14th International Symposium on Antenna Technology and Applied Electromagnetics & the American Electromagnetics Conference - Reflect-array study with shorted slotted ground plane using microtrip patches or rings as cell elements

Latif, Saeed I., Shafai, Cyrus, Shafai, Lotfollah

Year:

2010

Language:

english

File:

PDF, 919 KB

english, 2010

43

[IEEE 2012 15th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) - Toulouse, France (2012.06.25-2012.06.28)] 2012 15 International Symposium on Antenna Technology and Applied Electromagnetics - Numerical rough surface scattering simulations using the FVTD method

Isleifson, Dustin, Shafai, Lotfollah, Barber, David G.

Year:

2012

Language:

english

File:

PDF, 1.37 MB

english, 2012

44

Preface to special section on 2007 International Ottawa Symposium on Electromagnetic Theory

Shafai, Lotfollah, Ishimaru, Akira, Ando, Makoto

Journal:

Year:

2008

Language:

english

File:

PDF, 38 KB

english, 2008

45

Investigation of Virtual Array Antennas With Adaptive Element Locations and Polarization Using Parabolic Reflector Antennas

Pour, Zahra Allahgholi, Shafai, Lotfollah

Journal:

IEEE Transactions on Antennas and Propagation

Year:

2013

Language:

english

File:

PDF, 2.88 MB

english, 2013

46

[IEEE 2012 15th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM) - Toulouse, France (2012.06.25-2012.06.28)] 2012 15 International Symposium on Antenna Technology and Applied Electromagnetics - A study on the design of dual-band perforated microstrip antennas for SAR applications

Isleifson, Dustin, Shafai, Lotfollah

Year:

2012

Language:

english

File:

PDF, 1.62 MB

english, 2012

47

[IEEE the American Electromagnetics Conference (AMEREM) - Ottawa, ON, Canada (2010.07.5-2010.07.8)] 2010 14th International Symposium on Antenna Technology and Applied Electromagnetics & the American Electromagnetics Conference - Electromagnetic scattering by periodic conducting strip grating on grounded dielectric slab: Study of the angular and polarization dependence in different incident planes

Foroozesh, Alireza, Shafai, Lotfollah

Year:

2010

Language:

english

File:

PDF, 791 KB

english, 2010

48

Investigation Into the Application of Artificial Magnetic Conductors to Bandwidth Broadening, Gain Enhancement and Beam Shaping of Low Profile and Conventional Monopole Antennas

Foroozesh, Alireza, Shafai, Lotfollah

Journal:

IEEE Transactions on Antennas and Propagation

Year:

2011

Language:

english

File:

PDF, 5.12 MB

english, 2011

49

[IEEE 2009 IEEE Antennas and Propagation Society International Symposium (APSURSI) - North Charleston, SC, USA (2009.06.1-2009.06.5)] 2009 IEEE Antennas and Propagation Society International Symposium - Application of the artificial magnetic conductor ground plane for enhancement of antenna input impedance bandwidth

Foroozesh, Alireza, Shafai, Lotfollah

Year:

2009

Language:

english

File:

PDF, 1.12 MB

english, 2009

50

[IEEE 2006 Canadian Conference on Electrical and Computer Engineering - Ottawa, ON, Canada (2006.05.7-2006.05.10)] 2006 Canadian Conference on Electrical and Computer Engineering - An Ultra Wideband (UWB) Mixer with 0.18UM RF CMOS Technology

Motieifar, Alireza, Pour, Zahra, Bridges, Greg, Shafai, Cyrus, Shafai, Lotfollah

Year:

2006

Language:

english

File:

PDF, 498 KB

english, 2006