dual-frequency
Design and Analysis of Dual-Frequency Modified 3-Way Bagley Power Dividers
... compact dual-frequency 3-way BPD using composite right/left handed (CRLH) transmission lines was ...recently, dual-passband filter section based on the generalized Bagley polygon four-port power ...
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Bubble dynamics under dual frequency acoustic excitation
... the dual-frequency system, could also reduce the chaotic oscillations of the bubbles to the regular ...the frequency of the second wave and the phase difference between two ...
212
Dual frequency X band reflect array antenna using dual gap
... a dual frequency reflectarray antennausing dual gap configuration on rectangular patch element is ...of dual gap has been proposed to be integrated with rectangular patch element in order to ...
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Microstrip Open-Slot Antenna with Wideband Dual-Frequency and Dual-Sense Circular Polarization
... communication, dual-frequency circularly polarized antennas have attracted much attention due to high polarization ...obtained. Dual-frequency dual-sense CP is beneficial to the ...
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A Dual-Frequency Matching Network for FDCLs Using Dual-Band λ/4-Lines
... in dual-band/multi-band circuits and systems, requirement of matching networks operating at two/multi-frequencies has ...many dual-frequency matching networks have been ...impedance dual ...
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A Dual-Frequency Single Layer Circularly Polarized Reflectarray with Frequency Selective Surface Backing
... a dual-frequency single-layer circularly polarized reflectarray with frequency selective surface (FSS) backing is presented in this ...A dual-frequency circularly polarized reflectarray ...
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Facial Skin Rejuvenation with High Frequency Ultrasound: Multicentre Study of Dual Frequency Ultrasound
... According to modern theories, the process of skin ageing may be connected with local up-regulation of matrix metallo- proteinases (MMP) and down-regulation of heat shock proteins (HSP) in the skin. In this pragmatic, ...
6
Regional RFID Based Dual Frequency Positioning System
... based dual-frequency positioning ...low frequency of 125KHZ and transmitting at high of 433MHZ, makes it possible to realize the better communication and be adapted to the complex regional ...
6
PROBLEM OF THE USE OF DUAL-FREQUENCY GNSS RECEIVERS IN BENIN
... According to the firm's investigations, it appears that almost all the firms surveyed have at least one dual- frequency GPS/GNSS receiver, and even those who do not have it are assisted by the services of ...
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An Approach to Designing a Dual Frequency Piezoelectric Ultrasonic Transducer
... designing dual frequency piezoelectric transducer by means of two groups of piezoelectric ce- ramic ...resonance frequency can be adjusted by means of the piezoelec- tric effect ...anti-resonance ...
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Dual Frequency Ring Antennas with Coplanar Capacitive Feed
... Abstract—In this paper, design of a coplanar capacitive coupled probe fed microstrip ring antenna for dual frequency operation is presented. The proposed antenna is excited by a single probe feed connected ...
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Diversity Monopulse Antenna Based on a Dual-Frequency and Dual Mode CRLH Rat-Race Coupler
... a dual frequency dual mode rat- race coupler that has been designed by using Composite Right/Left Handed (CRLH) Transmission Lines ...either frequency are directly obtained at different ports. ...
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Design and Analysis of Double U Slot Loaded Dual Frequency Microstrip Antenna
... a dual frequency microstrip antenna for small frequency ratio ...the dual design frequencies/frequency ratio by varying the above design ...The dual design frequencies are ...
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Comparison of Single Feed Single Frequency & Single Feed Dual Frequency Compact Rectangular Microstrip Patch Antenna Using IE3D Software
... configuration(dual frequency).For dual frequency operation larger dielectric constant (25)required which leads to lesser ...single frequency operation lower dielectric constant (3) ...
6
Dual-frequency Ultrasound Transducers for Medical Imaging.
... the dual-layer transducer design, the two active layers cannot be bonded together ...a frequency-selective isolation layer with a low acoustic impedance, implemented as a quarter wavelength anti-matching ...
238
Dual Treatment Strategy by Venous Ulcers: Pilot Study to Dual Frequency Ultrasound Application
... High frequency US is usually applied in the form of 1 and 3 MHz ultrasound waves with intensities of 0.1 to 1.0 W/cm 2 . The results are contradictive. Some studies demonstrated a good improvement of the wound, ...
7
Design of a Dual Monopole Antenna with Wideband Frequency
... Figure 3 shows the simulated and measured return loss against frequency for the proposed wideband dual-frequency folded dual monopole antenna. It is clearly seen that simulated two resonant ...
10
Dual-VDD,Single-Frequency Clocking Methodology for System on Chip
... and frequency scaling are proposed for lowering the power consumption and the temperature-fluctuation-induced skew without degrading the clock ...clock frequency with the first clocking methodology. ...
9
PubMedCentral-PMC5300895.pdf
... the dual-frequency array under different excitation voltages are shown in ...low frequency transmitter, leading a longer pulse length and ring ...
32
Experimental Study of Stacked Rectangular Microstrip Antenna for Dual Band
... desired dual-frequency behavior the lower patch conductor of the coaxial feed is allowed to pass through a clearance hole in the lower patch and is then eclectically connected to the upper patch as shown in ...
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