high frequency broad band
A New Design Method for Patch Antenna with Low RCS and High Gain Performance
... and high gain performance simultaneously, is proposed on the basis of a metamaterial (MTM) ...a broad frequency band ranging from 2 to 14 GHz with maximum RCS reduction value of ...and ...
8
Broad Band-Stop Filter Using Frequency Selective Surfaces in Uniplanar Microwave Transmission Line
... operating frequency is shifted downward, increasing the cross length (L = about λ/8), since the path of the radio frequency (RF) current increases ...the band-pass filter (BPF) at a normal angle of ...
9
Broad-Band Dipole for RFID Applications
... Abstract—A novel planar dipole for Ultra-High-Frequency (UHF) Radio Frequency Identification (RFID) systems is presented here. Referring to a realization based on the use of a chip produced by Texas ...
10
A High-Gain Broad-Band Waveguide Longitudinal Slot Array Antenna
... with frequency in Figure 5 and Figure 6, respectively. The frequency responses of the magnitude of the S-parameters for two more slot arrays but now with uniform slot length ...the frequency response ...
11
Interpretation of broad-band seismograms
... The upper traces (Figure 5.6a) display the unfiltered three-component broad-band records in which the P onset can be discerned by the change in frequency content. In the second panel (Figure 5.6b) we ...
185
A Novel High-Gain and Broad-Beam Antenna Configuration in VHF Band
... The measured VSWR of the antenna is shown in Figure 10. It should be mentioned that there is a slight difference between measured and simulated VSWR of the antenna. This is due to the fact that we have used a folded coax ...
10
Design and Modeling of a High Sensitivity Fiber Bragg Grating-Based Accelerometer
... the high sensitivity of the FBG-based accelerometer design has been established and the theoretical relationship between the limit of the sensitivity and the resonant frequency has been proposed, this being ...
8
Broad Band Microstrip Patch Antenna
... resonant frequency of the antenna, which corresponds to a reduced antenna size and compared to a conventional circularly polarized microstrip antenna at the same operating ...operating frequency of the ...
10
Fast and Accurate Radar Cross Section Computation Using Chebyshev Approximation in Both Broad Frequency Band and Angular Domains Simultaneously
... both frequency and incident angle. The RCS contains both frequency and angle information ...a frequency band and angular domains ...effect frequency band is limited by the ...
9
High linearity broad band helix TWTs
... orthogonal frequency-division multiplexing (OFDM), which copes efficiently with high-speed multi-carrier transmission of digital ...the high number of carriers (hundreds) with random phases and ...
220
High Gain Patch Antenna for Broad Band Application
... The main observation of the antenna proposed is its broad band of 2.31 GHz extending from 6.14 GHz to 8.45 GHz having two resonant frequencies at 6.72 GHz and 8 GHz with percentage bandwidth of 31.66 %. ...
5
High broad band photoresponsivity of mechanically formed InSe graphene van der Waals heterostructures
... transparent, high photorespon- sivity can also be achieved in multilayer systems where the InSe and graphene layers are vertically stacked with the top graphene layer acting as a broad-band optical ...
7
Broad band microwave amplifier design considerations
... BENEFITS of DISSIPATIVE GAIN COMPENSATION IMPROVES DESIGN ACCURACY EASES GAIN-BANDWIDTH LIMITATIONS ENSURES OUT-OF-BAND STABILITY INCREASES REVERSE ISOLATION REDUCES UNPREDICTABLE LOSSES[r] ...
399
Broad band infrared spectroscopy of grooved silicon
... Figure 2 shows typical polarisation-resolved transmittance spectra of a gr-Si sample measured in the broad spectral range. The transmittance is modulated by oscillations, which are caused by interference in the ...
7
UHF Communication Studies in Urban Areas
... This band can penetrate several meters below seawater and can transmit much more information than ELF, therefore it is useful for submarine communications when the submarine cannot surface, but can come close to ...
9
Image Super Resolution Using Wavelet Analysis
... Out of all five senses vision is most advanced, so it is not surprised that images play the single most important role in human perception. Human vision is limited to visual band of electromagnetic (EM) spectrum, ...
9
A Nobel Smart Antenna for Broad-Band Applications
... In a beam forming network typically the signals incident at the individual elements are combined intelligently to form a single desired beam formed output. Before the incoming signals are weighted they are brought down ...
5
Separation Of Delta , Theta , Alpha & Beta Activities In EEG To Measure The Depth Of Sleep And Mental Status
... various frequency bands has been of interest to researches dealing with ...fundamental frequency rhythms and determine whether a relatively short EEG record taken in a routine laboratory is normal or ...The ...
6
A Novel Loop-Like Monopole Antenna with Dual-Band Circular Polarization
... The broad impedance bandwidth is achieved based on a novel monopole structure which is the combination of two perturbed loops and the perturbation causes the generation of right-hand circular polarization (RHCP) ...
12
Novel Ku Band Fan Beam Reflector Back Array Antenna
... The comparison between magnitude of s-parameters simulation results with Ansoft HFSSv.10 [13] and CST MICROWAVE STUDIO [14] for proposed antenna is shown in Fig. 3. Plot shows the good match between two simulation ...
9