4 to 40 GHz
High Impedance Surfaces Based Antennas for High Data Rate Communications at 40 GHz
... Figure 4 which shows the sensitivity of the bandgap with the number of elementary cell layers surrounding the ...using 4-Layer and 5-Layer are simulated for the same patch ...the 4-Layer S 11 ...
13
Via-Hole Less Broadband Conductor-Backed Coplanar Waveguide to Coupled Microstrip Transition Up to 40 GHz
... 4.5 GHz to 39.5 GHz, proving high performance potential of the proposed transition including a MS ...65 GHz with G CBCPW = 38 µm, W MS = 53 µm, W CMS = 10 µm and gap G CMS = 4 µm in the ...
5
A 28-40 GHz Doubly Balanced Monolithic Passive Mixer with a Compact IF Extraction
... Fig. 4 illustrates the measured and simulated conversion loss versus the LO power level with a RF input power of 0 ...31 GHz, conversion loss less than 10 dB at an LO drive level of 8 dBm can be ...
8
Low Frequency Behavior of CVD Graphene from DC to 40 GHz
... In graphene, propagating electrons mimic massless Dirac fermions, which leads to a linear relation between momentum and energy [1–3]. The valence and conduction bands touch at the Dirac point with an electrostatically ...
7
Characterization of Millimetre waveband at 40 GHz wireless channel
... Basically 40 GHz becomes an attractive band and an area of interest because at 40 GHz signal absorption via atmospheric oxygen is very minimal [3] as compared to other bands available in ...
5
A Survey on Interference Mitigation Techniques for 2 4 GHz ISM Band
... 1. Salam Akoum et al. [4] have proposed spatial interference mitigation at the transmitter for multiple input single output adhoc networks. They have applied zero forcing beam forming at the transmitter, and have ...
5
MIMO Reconfigurable Antennas for Wi Fi 2 4 GHz Communication
... The dimension of a microstrip patch antenna has a great role in efficient transmission and reception of radio signals. High radiation efficiency of the antenna indicates effective power dissemination in the free space. ...
8
Contrast joints of glass-fibre with carbon-fibre reinforced low density polyethylene composite bonded by microwave irradiation
... heat. 4 A US based company developed a new technique for microwave processing, known as variable frequency microwave (VFM) technique, to solve the problems brought about by fixed frequency microwave ...
22
A Polarization-Dependent Mutiband Ram Design
... Metallic arrays, placed over a grounded dielectric substrate, behave as artificial magnetic conductor (AMC) surfaces. They reflect incident waves with zero or near zero phase shifts, for a range of frequencies [3, ...
8
Triple band dipole antenna with harmonic suppression capability
... Reconfigurable printed-dipole antenna with harmonic trap for wideband applications are discussed in [35]. This work provides the method of using a harmonic trap to design a wideband reconfigurable antenna. The ...
46
Volume 40 - Article 4 | Pages 61–94
... Figure 4 shows results from the same models using a different migration status variable which distinguishes between G1 groups of different regions of birth and duration of stay (full results shown in numerical ...
36
Implementation and analysis of 2 Tbps MDRZ DWDM system at ultra narrow channel spacing
... of 40 channels with 50 Gbps data rate. The performance of proposed 40 X 50 high speed system is evaluated in terms of varying power, linewidth and varying ...
5
Design of Broadband RoF PON for the Last Mile
... An increase in the demand of broadband service has encouraged research and study to find a solution to offer an ade- quate amount of service. Living in this digital world with downloading video, voice or data leads us ...
9
An Exceptional Radio Flare in Markarian 421
... Based on its spectral energy distribution (SED), which shows a synchrotron peak in the X-ray band, Mrk 421 is classified as a high-synchrotron-peaked (HSP) ob- ject [8]. Its radio behavior is rather tame, typical of HSP ...
5
A Printed Log-Periodic Tree-Dipole Antenna (Plptda)
... time. Main parameters and characteristics of the proposed antenna are discussed. A fabricated proof-of-concept prototype of the proposed antenna is etched on a FR4 substrate with a relative permittivity of 4.4 and volume ...
14
CPW-Fed Phi-Shaped Monopole Antenna for Super-Wideband Applications
... 0.79–9.16 GHz was achieved by using trapeziform ground planes ...16 GHz and dimensions of 150 × 150 mm 2 was ...2.65 GHz to more than 20 ...2.2–25 GHz and had dimensions of 60 × 60 mm 2 ...
12
The Southern H Ⅱ Region Discovery Survey I: the Bright Catalog
... We use a two-phase observing strategy for the SHRDS: a fi rst-pass “ snapshot ” survey in the H75 antenna con fi guration to measure the continuum brightness of each target, and then a second-pass “ deep ” survey split ...
19
Harmonic mixing using a HTS step-edge Josephson junction at 0.6 THz frequency
... HTS Josephson junction mixers have been demonstrated in microwave and millimeter frequencies with competitive performance [1-7]. There are, however, very limited reports of successful demonstration of HTS Josephson ...
5
50 GHz Spaced 4 × 40 Gbit/s WDM Transmission over 700 km Using 6 ps Bandlimited RZ Signals
... generate 40 Gbit/s signal through OTDM rather than using 4 × 10 Gbit/s WDM ...multiple 40 Gbit/s signals through WDM so that the capacity increases ...
5
Dual band dipole antenna with harmonic suppression capability
... [3] Jabbar S. Hussein Ahmed A. Aouda, Alhussain.(2013) .Transmitting Loop Antenna for Efficiency Enhancement. Karbala University College of Engineering [4] Rao, S., Shafai, L., & Sharma, S. K. (Eds.). (2013). ...
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