Relevant bibliographies by topics / Dual frequency

Academic literature on the topic 'Dual frequency'

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Published: 4 June 2021
Last updated: 4 February 2022

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Journal articles on the topic "Dual frequency"

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Ghosh, Shreya, Subhasree Konar, Soumen Ghosh, Tanumay Ghosh, and Suvojit Gope. "Dual Tone Multiple Frequency Based Home Automation System." International Journal of Engineering Research 4, no. 10 (October 1, 2015): 542–44. http://dx.doi.org/10.17950/ijer/v4s10/1006.

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TERAO, Yoshiya, Masaki TAKAMOTO, and Teruki FUKAMI. "Dual Frequency Ultrasonic Flowmeter." Transactions of the Society of Instrument and Control Engineers 23, no. 6 (1987): 565–69. http://dx.doi.org/10.9746/sicetr1965.23.565.

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Maci, S., and G. B. Gentili. "Dual-frequency patch antennas." IEEE Antennas and Propagation Magazine 39, no. 6 (1997): 13–20. http://dx.doi.org/10.1109/74.646798.

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Huang, Fred. "DUAL-FREQUENCY COAXIAL EARPHONES." Journal of the Acoustical Society of America 131, no. 6 (2012): 4861. http://dx.doi.org/10.1121/1.4728369.

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Guan, Y., and W. E. Bailey. "Dual-frequency ferromagnetic resonance." Review of Scientific Instruments 77, no. 5 (May 2006): 053905. http://dx.doi.org/10.1063/1.2204907.

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Chuo, Feng-Pin, Tsair-Rong Chen, and Jeen-Sheen Row. "Dual-frequency microstrip antennas." Microwave and Optical Technology Letters 45, no. 1 (2005): 3–5. http://dx.doi.org/10.1002/mop.20705.

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Kelly, J. G., and C. R. Walsh. "Dual-frequency sonar system." Journal of the Acoustical Society of America 99, no. 4 (1996): 1817. http://dx.doi.org/10.1121/1.415331.

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Erätuuli, P., P. Haapala, and P. Vainikainen. "Dual frequency wire antennas." Electronics Letters 32, no. 12 (1996): 1051. http://dx.doi.org/10.1049/el:19960722.

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Asadov, Kh G., and V. M. Garaev. "Dual-frequency sodar measurements." Measurement Techniques 54, no. 3 (June 2011): 351–55. http://dx.doi.org/10.1007/s11018-011-9731-y.

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Franklin, R. N. "The dual frequency radio-frequency sheath revisited." Journal of Physics D: Applied Physics 36, no. 21 (October 15, 2003): 2660–61. http://dx.doi.org/10.1088/0022-3727/36/21/010.

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Dissertations / Theses on the topic "Dual frequency"

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Maeser, Anna Marie. "Time-frequency dual and quantization." View electronic thesis (PDF), 2009. http://dl.uncw.edu/etd/2009-1/maesera/annamaeser.pdf.

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Sun, Xiaolei, and 孙肖磊. "Dual-band and frequency-reconfigurable monopole antennas." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hub.hku.hk/bib/B50899880.

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The designs of three compact dual-band monopole antennas for wireless-local-area-network (WLAN)applications are presented. In these designs, an L-or U-shaped monopole element with microstrip-fed is used to generate a high-frequency band at around 5.5 GHz to cover the high WLAN bands at 5.2/5.8GHz for the IEEE 802.11a standard. An E-shaped element, loop element or meander-microstrip ground stub element with coupled-fed through the monopole element is used to generate a low-frequency band at around 2.4 GHz to cover the low WLAN band for the IEEE 802.11b/g standards. With such arrangements, the three antenna shave very compact radiators of only 11.3×8 mm2,12.6×9 mm2and11.8×9.4 mm2. To investigate the performances for practical uses, these antennas are also designed on a mobile-phone printed-circuit board and studied using computer simulation and measurement. Dual-band antennas with reconfigurable Dual-band antennas with reconfigurable lower band, higher band and dual-band are designed in this thesis. The dual-band antenna consists of two radiating branches generating the frequency bands at around 2.4 GHz and 3.5 GHz for the WiMAX system. Varactors are placed on the corresponding branches for continuously tuning of the operating bands for different WiMAX standards. For frequency tuning of the lower band or higher band, simple and novel DC biasing circuits without requiring any soldering wire are proposed to bias the varactor on a radiating element. While for simultaneous frequency tuning of the two individual bands, simple and novel DC biasing circuits requiring two soldering wires are proposed to bias the varactors on the radiating elements. Both simulation and measurement results show that the DC biasing circuits designed have very little affects on the antennas performances. The design of a monopole ultra-wide band (UWB)antenna with a reconfigurable notch band is presented. The antenna employs a vertical-ellipse radiator to achieve an UWB. A compact defected-ground structure (DGS)is used to create a notch band for the antenna. To frequency tune the notch band, a varactor is placed on the DGS to control the resonance frequency. The tuning performance, in terms of reflection coefficient, radiation pattern, efficiency and gain, of the antennais studied using simulation and measurement. Results show that the notch band can be tuned continuously from 5.2 to 6.32 GHz for the WLAN bands. In the measurement of a monopole antenna with a small ground plane, the feeding cable used to connect the antenna to the measurement equipment Satimo Starlab system causes discrepancies between the simulated and measured radiation patterns, efficiencies and peak gains at lower frequencies. In the designs of antennas in this thesis, the cable effects are studied by modeling the feeding cable using the EM simulation tool CST. Results show that, by using the cable model, the simulated and measured results agree very well.
published_or_final_version
Electrical and Electronic Engineering
Doctoral
Doctor of Philosophy
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Zhang, Yuning. "Bubble dynamics under dual-frequency acoustic excitation." Thesis, University of Warwick, 2015. http://wrap.warwick.ac.uk/71098/.

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Acoustic cavitation plays an important role in a broad range of biomedical, chemical and engineering applications, because of its magnificent mechanical and chemical effects. Particularly, the irradiation of the multi-frequency acoustic wave could be favouritely employed to promote these effects, such as enhancing the intensity of sonoluminescence, increasing the efficiency of sonochemical reaction, and improving the accuracy of ultrasound imaging and tissue ablation. Therefore, a thorough understanding of the bubble dynamics under the multi-frequency acoustic irradiation is essential for promoting these effects in the practical applications. The objective of this PhD programme is to investigate the bubble dynamics under dual-frequency excitation systematically with respect to bubble oscillations, the acoustical scattering cross section and the secondary Bjerknes force (a mutual interaction force between two oscillating bubbles). Spherical gas bubbles in water are considered. Both analytical analysis based on perturbation method and numerical simulations have been performed in this thesis. The analytical solutions of the acoustical scattering cross section and the secondary Bjerknes force under dual-frequency excitation have been obtained and validated. The value of the secondary Bjerknes force can be considered as the linear combination of the forces derived under the single-frequency approaches. The predictions of those analytical solutions will be impaired for the cases with large acoustic pressure amplitudes. The numerical simulations reveal some unique features of the bubble dynamics under dual-frequency excitation, e.g., the combination resonances (i.e., their corresponding frequencies corresponding to the linear combinations of the two component frequencies) and the simultaneous resonances (i.e., the simultaneous occurrence of two resonances in certain conditions). The influence of a number of paramount parameters (e.g., the pressure amplitude, the equilibrium bubble radii, the power allocation between the component waves, the phase difference and the driving frequency) on the bubble dynamics under dual-frequency excitation is also investigated with demonstrating examples. Based on that, the parameters for optimizing the dual-frequency approach are proposed. In addition, the effects of thermal effects and mass transfer on the bubble dynamics have also been discussed.
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Song, Qiong. "FAST RESPONSE DUAL FREQUENCY LIQUID CRYSTAL MATERIALS." Doctoral diss., University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3112.

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Dual frequency liquid crystal (DFLC) exhibits a positive dielectric anisotropy at low frequencies and negative dielectric anisotropy at high frequencies. The frequency where dielectric anisotropy is zero is called crossover frequency. DFLC can achieve fast rise time and fast decay time with the assistance of applied voltage. However, one drawback of DFLC is that it has dielectric heating effect when driven at a high frequency. Thus, the first part of this dissertation is to develop low crossover frequency DFLC materials. The dielectric relaxation and physical properties of some single- and double-ester compounds were investigated. Experimental results indicate that the double-ester compound exhibits a ~ 3 X lower dielectric relaxation frequencies and larger dielectric anisotropy than the single ester, but its viscosity is also higher. More generally, ten groups of dual frequency liquid crystals were compared in terms of dielectric relaxation frequency and dielectric anisotropy. The dielectric relaxation theory was discussed at last. To realize fast response time, high birefringence and low viscosity LC are required. From these two aspects, firstly four new high birefringence laterally difluoro phenyl tolane liquid crystals with a negative dielectric anisotropy were studied. These materials are used to enhance the birefringence of DFLC. They have a fairly small heat fusion enthalpy (~3000 cal/mol) which improves their solubility in a host. We dope 10 wt% of each compound into a commercial negative mixture N1 and measured their birefringence, viscoelastic constant and figure of merit. Birefringence varies very little among homologues while viscoelastic constant increases as alkyl chain length increases. Secondly, we studied the effects of six diluters for lowering the viscosity while stabilizing the vertical alignment (VA) of the laterally difluoro terphenyl host mixture at elevated temperatures. The pros and cons of each diluter are analyzed. These lateral difluoro terphenyls exhibit a high birefringence, fairly low viscosity, and modest dielectric anisotropy, but their molecular alignment in a VA cell is gradually deteriorated at elevated temperatures as their concentration increases. As a result, the device contrast ratio is decreased noticeably due to the light leakage through the crossed polarizers. Finally, liquid crystal doped with metallic nanoparticles, such as Pd, Ag, or Ag-Pd, which are protected with ligand molecules, such as nematic liquid crystal were studied. The metal nanoparticles doped LC exhibit a frequency modulation (FM) electro-optical (EO) response in the millisecond to submillisecond range together with the ordinary root-mean-square voltage response.
Ph.D.
Optics and Photonics
Optics and Photonics
Optics PhD
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Lineberger, Ernest R. "Bubble detection using a dual frequency sound field." Thesis, Monterey, California. Naval Postgraduate School, 1988. http://hdl.handle.net/10945/22932.

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Perilla, Rozo Carlos Andres. "Noise model for a dual frequency comb beat." Doctoral thesis, Université Laval, 2019. http://hdl.handle.net/20.500.11794/34414.

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Cette thèse porte sur le raffinement d’un modèle du bruit utilisé pour des mesures spectroscopiques réalisées avec des peignes de fréquences optiques. La majorité des travaux antérieurs utilisaient des peignes de fréquences où le glissement (chirp) est minimisé, en supposant que tout glissement différentiel entre les peignes allait réduire le rapport signal sur bruit. L’hypothèse sous-jacente était que l’impact du bruit multiplicatif serait augmenté, le glissement lui permettant d’agir plus longtemps sur le signal d’interférence. Cependant, d’autres recherches indiquaient plutôt contraire : le chirp pourrait améliorer la mesure. Cette thèse cherche à augmenter la compréhension du comportement du bruit lorsque les peignes ont des glissements différentiels. De plus, celle-ci apporte de nouvelles évidences sur l’utilité du chirp dans ce type de mesure. À cet effet, nous avons fait une révision bibliographique des modèles du bruit dans les peignes de fréquences optiques. Ensuite, du point de vue théorique, nous avons analysé les effets du chirp sur les bruits additifs et multiplicatifs. Pour le bruit d’intensité, nous avons proposé un modèle phénoménologique décrivant le comportement de l’émission spontanée amplifiée (ASE) dans un laser à verrouillage de mode par rotation non linéaire de polarisation. Les spectres des peignes et leurs battements ont été caractérisés en portant une attention particulière à leur relation avec l’ASE. La thèse permet de conclure que le chirp différentiel n’affecte pas les niveaux des densités spectrales de bruit. Grâce au glissement différentiel de fréquence, il est possible d’envoyer plus puissance à l’échantillon et ainsi améliorer le rapport signal sur bruit des instruments à peignes de fréquence. D’un autre côté, la caractérisation de l’ASE a établi sa nature non-stationnaire. Elle a aussi expliqué des attributs spectraux qui sont observés régulièrement dans les signaux de battement des peignes. Finalement, en supposant que l’ASE circule largement dans une cavité opérée sous le seuil, sa caractérisation fournit une méthode pour estimer le déphasage non linéaire que subit le train d’impulsions femtosecondes.
This thesis proposes a noise model refinement for spectroscopic measurements using dual optical frequency combs. Until now most studies centered their efforts on noise characterization using chirp free combs based on an unproved hypothesis: measurements would get worse with chirped combs since multiplicative noises would be present over a longer duration on the interference pattern thus leading to a greater impact. However, at least one experimental result hinted to the contrary: differential chirp would actually improve the signal to noise ratio. This thesis therefore aims at increasing the understanding of noise when a differential chirp is present in a dual comb measurement. The specific goal is to provide new insights about the usefulness of chirp in this kind of measurement. With this in mind, we conducted a literature review of noise models in optical frequency combs. We subsequently analyzed the chirp’s effect in the presence of both additive and multiplicative noise. The thesis also proposes a phenomenological model to describe the amplified spontaneous emission - ASE in short pulse lasers mode locked using non linear polarization rotation. Finally the comb spectra and their beat notes are characterized putting special attention to their relation with the ASE components. As conclusions, we can report that noise power spectral density levels do not change with a differential chirp. Chirping allows sending a greater optical power through the sample, such that the measurement signal to noise ratio can be improved. On the other hand, the ASE characterization established its non-stationary nature and explained very well characteristic features routinely observed in dual comb beat notes that were not fully understood. Finally, assuming the ASE experiences a sub threshold linear cavity allows using theses features to estimate the non linear phase shift experienced by the modelocked pulse train in the laser cavity.
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Wu, Wai-Man Monica. "Characterisation of a dual frequency conversion superheterodyne receiver." Master's thesis, University of Cape Town, 2008. http://hdl.handle.net/11427/5076.

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This dissertation starts off with a brief introduction of the SKA project, and explain how it relates to the KAT project. Then certain receiver design techniques and parameters will be discussed together with receiver design trade-offs will be presented. This dissertation will then focus on the actual simulations of the 3x4 receiver module using the time-domain RF simulator, SystemView. An overview of the design for the 24-channel RF rack integrated locally by Tellumat (Pty) Ltd is presented and acceptance tests will be conducted and the test results will be presented.
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Foroudi, Navid Carleton University Dissertation Engineering Electrical. "A high-speed CMOS dual-modulus frequency divider for mobile radio frequency synthesizers." Ottawa, 1991.

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Tangen, Thor Andreas. "Imaging of Nonlinear Scattering using Dual-frequency Band Ultrasound." Doctoral thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for teknisk kybernetikk, 2010. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-11493.

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The work presented in this thesis is focused on developing a method for imaging of nonlinear scattering from stiff particles using dual-frequency band pulses. The pulse complexes are comprised of a low-frequency manipulation pulse and a high-frequency imaging pulse where the the two pulses overlap in time and there is a frequency relationship of 1:8-10. It may be shown that the polarity of the nonlinear scattering follows the polarity of the low-frequency pulse, while linear scattering does not. By transmitting two such dual-frequency band pulses in each beam direction where the polarity of the low-frequency pulse is inverted from the first to the second, nonlinear scattering may be detected. The low-frequency pulse not only manipulates the scattering but also the propagation of the high-frequency imaging pulse. These nonlinear propagation effects will mask the nonlinear scattering and must be corrected for in order to suppress the linear scattering and detect the nonlinear scattering.In the first paper of this thesis, the nonlinear propagation effects using confocal low-frequency and high-frequency beams are investigated in a water tank setup. A dual-frequency band annular array, where the low-frequency element is place behind the high-frequency element, to form a stack, was used. When the high-frequency pulse is short compared to the low-frequency pulse period, the nonlinear propagation effects can be approximated by a nonlinear propagation delay and frequency shift. It is shown how the delay and frequency shift increases close to linearly with increasing manipulation pressure and how axis the profiles of the high-frequency beam are affected. On transmit, the size relationship between the low and high-frequency apertures can be varied, and it is shown how the nonlinear propagation effects is dependent on the array setup.By transmitting an unfocused low-frequency beam together with a focused high-frequency beam, the position of the high-frequency pulse relative to the low-frequency pulse can be kept close to constant over the whole imaging region. By placing the imaging pulse at the peak of the manipulation pulse, the frequency shift due to nonlinear propagation can be minimized. In the second paper, the suppression of linear scattering using such a beam setup and only correcting for the propagation delay is investigated. Applying a low-frequency pressure of 85 to 500 kPa, the linear scattering could be suppressed 35 to 17 dB. It is shown that there is an amplitude difference between the first and second received pulse which is due to diffraction differences of the first and second beam. Since the low-frequency beam is unfocused, the manipulation pressure will vary over the focused high-frequency beam and distort the spherical focusing. This distortion will be different for the first and second beam and produce different diffraction of the two beams, which will yield an amplitude difference. Frequency shift due to nonlinear propagation will also affect the diffraction but it is indicated that the nonlinear aberration is the dominating factor.In the third paper three different beamforming strategies for dual-frequency band imaging is investigated; 1. Focused low freq. + Focused high freq., 2. Unfocused low freq. + Focused high freq. and 1. Unfocused low freq. + Unfocused high freq. The nonlinear propagation delay and frequency shift are estimated and predicted based on the estimated low-frequency manipulation pressure experienced by the high-frequency pulse. There is good accordance between the estimated and predicted values until diffraction becomes significant. When diffraction becomes significant, differences in diffraction between the first and second pulse will also introduce a frequency shift and delay other than that generated by the nonlinear manipulation pressure. Differences in the pulse form of the first and second pulse is thus not only due to manipulation of the propagation of the high-frequency pulse by the low-frequency, but also by differences in diffraction.The nonlinear propagation and scattering are generated by equal processes but are different in the way that nonlinear propagation is an accumulative effect while scattering is a local effect. In the last part of the thesis the difference between nonlinear propagation and scattering is investigated using simulations, where the bandwidth of the high-frequency pulse relative to the center frequency of the manipulation pulse is varied. It is shown that when the high-frequency pulse is shorter in time than one period of the low-frequency pulse, the nonlinear propagation and scattering becomes different and the nonlinear scattering can be detected if the nonlinear propagation is corrected for.The correction of nonlinear propagation can be in the form of a filter, and a method for estimating this filter is also presented in the last part. Based on statistical analysis of the filter, it is shown that the average suppression of linear scattering using the proposed correction filter, is dependent on the homogeneity of the relation between the first and second pulse over the receive beam. Said in another way; if this relation is not constant over the receive beam, the optimal correction for a given signal segment is dependent on the unknown distribution of scatterers within the beam.The level of suppression of linear scattering using the proposed filter method will be dependent on the transmit beam setup. A simulation study where the effect of aperture size relationship between the low- and high-frequency beams and f-number of the high-frequency beam on the level of suppression of linear scattering is presented. In order to achieve a high degree of homogeneity, the diffraction of the HF and LF beams should be equal, which is not trivial to achieve in a medium with attenuation. Choosing the aperture sizes in order for the fresnel numbers to be equal for the two beams was thought to yield the optimal setup, but as attenuation affects the low and high-frequency pulses differently, this is not necessarily  true. The level of suppression of linear scattering increases when the the high-frequency aperture is increased, making the beam narrower, but the low-frequency aperture must also be increased accordingly.
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Meda, Venkatesh. "Integrated dual frequency permittivity analyzer using cavity perturbation concept." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=38236.

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Optimal utilization of microwave energy requires more basic knowledge of the dielectric properties of the material under investigation. The dielectric properties of materials subjected to microwaves are known to depend on moisture content, temperature and density of the material as well as the frequency of the applied microwave field. This thesis is focussed on the development and evaluation of the new Permittivity Analyser to measure the dielectric properties of agri-food materials at 915 and 2450 MHz using cavity perturbation concept.
In this study, the dielectric properties measuring system was designed and developed using cavity perturbation concept to measure the essential and fundamental parameters of microwave-material interaction; dielectric constant and dielectric loss factor of selected agri-food substances and organic solvents. The TM010 mode of electromagnetic energy was selected and configured to operate at the peakresonant condition for both ISM (Industrial, Scientific and Medical) approved frequencies of .915 and 2450 MHz frequencies. The resonant perturbation cavities were designed, fabricated and tested using the network analyser and the permittivity analyser. High Q (ratio of energy supplied to absorbed) values were reported for both frequencies. Basic calibration of the measurement system was performed using standard media such as air, water and alcohol. Necessary mathematical steps and algorithms were written and integrated into a user-friendly software program (Visual basic 6.0) to carry out the entire measurement.
The dielectric properties (epsilon' & epsilon ″) of materials such as; edible oils---canola, soya and sunflower oils, neem oil/pulp, homogenized milk (1, 2 and 3.25% fat), organic solvents such as ethanol, hexane and their mixtures were determined at various temperatures and frequency (915, 2450 MHz) combinations, using cavity perturbation technique. Linear relationships between the dielectric properties and temperature found in the literature were confirmed to be valid for certain ranges in case of edible oils, organic solvents and milk samples tested with the cavity perturbation method. Repeatibility and variability aspects of the permittivity analyzer at both the frequencies are presented.
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Books on the topic "Dual frequency"

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Hill, Ronald H. The CSIRO dual-frequency microwave radiometer. [Melbourne]: CSIRO Australia, 1995.

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Lineberger, Ernest R. Bubble detection using a dual frequency sound field. Monterey, Calif: Naval Postgraduate School, 1988.

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Wu, Te-Kao. Double-loop frequency-selected surfaces for multifrequency division multiplexing in a dual-reflector antenna. [Washington, DC: National Aeronautics and Space Administration, 1992.

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Sha, Deshang, and Guo Xu. High-Frequency Isolated Bidirectional Dual Active Bridge DC–DC Converters with Wide Voltage Gain. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-0259-6.

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Sluiter, P. G. Geodetic dual-frequency GPS receivers under anti-spoofing: Comparison of four receivers for baseline accuracy susceptibility to radio frequency interference noise in the observables. Delft, the Netherlands: Netherlands Geodetic Commission, 1995.

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Cunningham, Pat. Remote control home security system operated via the telephone network using dual tone multi frequency signalling. [S.l: The Author], 1999.

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Mancuso, David. Frequent emergency room visits signal substance abuse and mental illness. [Olympia, Wash.]: Washington State Dept. of Social and Health Services, Research and Data Analysis Division, 2004.

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Mancuso, David. Frequent emergency room visits signal substance abuse and mental illness. [Olympia, Wash.]: Washington State Dept. of Social and Health Services, Research and Data Analysis Division, 2004.

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Mancuso, David. Frequent emergency room visits signal substance abuse and mental illness: Washington State's aged, blind, and disabled clients. [Olympia, Wash.]: Washington State Dept. of Social and Health Services, Research and Data Analysis Division, 2004.

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Hwang, Nam. A dual-frequency diode laser displacement sensor. 1990.

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Book chapters on the topic "Dual frequency"

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Chandrasekar, V., and Minda Le. "DPR Dual-Frequency Precipitation Classification." In Advances in Global Change Research, 193–210. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-24568-9_12.

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Alberti, Giovanni S., Francesca Bartolucci, Filippo De Mari, and Ernesto De Vito. "Radon Transform: Dual Pairs and Irreducible Representations." In Landscapes of Time-Frequency Analysis, 1–28. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-56005-8_1.

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Wertheimer, M. R., L. Martinu, and M. Moisan. "Microwave and Dual-Frequency Plasma Processing." In Plasma Processing of Polymers, 101–27. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-015-8961-1_5.

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Bagchi, Sonali, and Sanjit K. Mitra. "Dual-Tone Multi-Frequency Signal Decoding." In The Nonuniform Discrete Fourier Transform and Its Applications in Signal Processing, 173–96. Boston, MA: Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-4925-3_6.

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Luong, Howard Cam, and Jun Yin. "Transformer-Based Dual-Mode VCO." In Transformer-Based Design Techniques for Oscillators and Frequency Dividers, 107–40. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-15874-7_6.

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Missoni, Albert, Günter Hofer, and Wolfgang Pribyl. "A Dual Frequency Band Comprehensive RFID TAG." In Analog Circuit Design, 313–31. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0391-9_16.

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Wang, Chongchong, Guilin Yang, Chin-Yin Chen, and Qiang Xin. "A Dual-Loop Dual-Frequency Torque Control Method for Flexible Robotic Joint." In Communications in Computer and Information Science, 561–70. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-2396-6_52.

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Bernier, M. H., J. E. Klemberg-Sapieha, L. Martinu, and M. R. Wertheimer. "Polymer Surface Modification by Dual-Frequency Plasma Treatment." In ACS Symposium Series, 147–60. Washington, DC: American Chemical Society, 1990. http://dx.doi.org/10.1021/bk-1990-0440.ch010.

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Shevgaonkar, R. K., and M. R. Kundu. "Dual Frequency Variability Study of an Active Region." In Basic Plasma Processes on the Sun, 489–93. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0667-9_88.

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Yeap, Kim Huat, Widad Ismail, Kim Ho Yeap, and Soon Leng Yap. "Dual-Frequency Integrated Power Dividing E-Shaped Antenna." In 9th International Conference on Robotic, Vision, Signal Processing and Power Applications, 463–69. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-1721-6_50.

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Conference papers on the topic "Dual frequency"

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Upadhayay, Madhur Deo, Mahesh P. Abegaonkar, Ananjan Basu, and Shiban K. Koul. "Dual frequency active antenna." In 2011 IEEE Applied Electromagnetics Conference (AEMC). IEEE, 2011. http://dx.doi.org/10.1109/aemc.2011.6256826.

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Diaz, Rosemary, Sze-Chun Chan, and Jia-Ming Liu. "Dual-frequency multifunction lidar." In Lasers and Applications in Science and Engineering, edited by Steve Mecherle and Olga Korotkova. SPIE, 2007. http://dx.doi.org/10.1117/12.699822.

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Sun, Fuyu, Xianhe Huang, and Qingsong Bai. "Dual-mode Ramsey cavity for a dual Rb/Cs atomic clock." In 2016 IEEE International Frequency Control Symposium (IFCS). IEEE, 2016. http://dx.doi.org/10.1109/fcs.2016.7546815.

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DEVOE, R. G., and R. G. BREWER. "Laser frequency division by dual-frequency modulation." In Conference on Lasers and Electro-Optics. Washington, D.C.: OSA, 1985. http://dx.doi.org/10.1364/cleo.1985.fm1.

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Krishna, D. Rama, V. M. Pandharipande, and Shiban K. Koul. "Dual state dual band frequency reconfigurable SIW antenna." In 2014 8th European Conference on Antennas and Propagation (EuCAP). IEEE, 2014. http://dx.doi.org/10.1109/eucap.2014.6902172.

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Bao, X. L., and M. J. Ammann. "Dual-frequency dual-circularly-polarized printed slot antenna." In Propagation Conference (LAPC). IEEE, 2011. http://dx.doi.org/10.1109/lapc.2011.6114029.

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Zhang, Xiaogang, Jun Cao, Mouping Jin, and Pei Li. "Dual-frequency dual-circularly-polarized vivaldi antenna array." In 2016 CIE International Conference on Radar (RADAR). IEEE, 2016. http://dx.doi.org/10.1109/radar.2016.8059417.

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Luo, Kang, Bin Chen, Yigang Wang, Boao Xu, and Xiaoli Zhou. "Compact Dual-frequency and Dual-polarized Monopole Antenna." In 2015 Joint International Mechanical, Electronic and Information Technology Conference. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/jimet-15.2015.166.

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Plaza, Enrique G., German Leon, Susana Loredo, and Luis F. Herran. "Dual-Polarized Dual-Frequency Ka-band Transmitarray Lens." In 2020 14th European Conference on Antennas and Propagation (EuCAP). IEEE, 2020. http://dx.doi.org/10.23919/eucap48036.2020.9135895.

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Pan, Duo, Tiantian Shi, and Jingbiao Chen. "Dual-wavelength Laser System and Cavity Stabilization Scheme of Dual-Wavelength Active Optical Clock." In 2018 IEEE International Frequency Control Symposium (IFCS). IEEE, 2018. http://dx.doi.org/10.1109/fcs.2018.8597539.

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Reports on the topic "Dual frequency"

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Strecker, Kevin E., and David W. Chandler. Dual-etalon, cavity-ring-down, frequency comb spectroscopy. Office of Scientific and Technical Information (OSTI), October 2010. http://dx.doi.org/10.2172/1011624.

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Tseng, Huan-Wan, Randy Kurtz, and Alison Brown. Test Results of a Dual Frequency (L1/L2) Small Controlled Reception Pattern Antenna. Fort Belvoir, VA: Defense Technical Information Center, January 2002. http://dx.doi.org/10.21236/ada444461.

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Ly, Hung, Paul Eyring, Efraim Traum, Huan-Wan Tseng, Kees Stolk, Randy Kurtz, Alison Brown, Dean Nathans, and Edmond Wong. Design, Simulation, and Testing of a Miniaturized GPS Dual-Frequency (L1/L2) Antenna Array. Fort Belvoir, VA: Defense Technical Information Center, September 2002. http://dx.doi.org/10.21236/ada444403.

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Tonguz, Ozan K., M. O. tanrikulu, and Leonid G. Kazovsky. Impact of Finite Frequency Deviation on the Performance of Dual-Filter Heterodyne FSK Lightwave Systems. Fort Belvoir, VA: Defense Technical Information Center, January 1991. http://dx.doi.org/10.21236/ada247611.

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Zotova, Yuliya B. Widely-tunable, Compact, and Portable Terahertz Source Based on Intracavity Difference-Frequency Generation in Dual-Frequency Yb:YAG Laser for Identification and Detection of Biological Agents. Fort Belvoir, VA: Defense Technical Information Center, June 2011. http://dx.doi.org/10.21236/ada558087.

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Johnson, E. L., T. S. Clabough, M. L. Keefer, C. C. Caudill, P. N. Johnson, W. T. Nagy, and M. A. Jepson. Evaluation of Dual Frequency Identification Sonar (DIDSON) for Monitoring Pacific Lamprey Passage Behavior at Fishways of Bonneville Dam, 2011. Fort Belvoir, VA: Defense Technical Information Center, January 2012. http://dx.doi.org/10.21236/ada581330.

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Penn, John. Optimized (2nd Pass) Gallium Arsenide (GaAs) Integrated Circuit Radio Frequency (RF) Booster Designs for 425 MHz and Dual Band (425 and 900 MHz). Fort Belvoir, VA: Defense Technical Information Center, November 2010. http://dx.doi.org/10.21236/ada532987.

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Shimamura, K., D. Froese, and L. E. Jackson. Late Cenozoic geology, Ancient Pacific Margin NATMAP Project, Report 1: long-baseline, dual-frequency GPS static positioning trial, Stewart River map area, Yukon Territory. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2000. http://dx.doi.org/10.4095/211128.

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Kucera, Paul A. Use of Dual Frequency Identification Sonar to Determine Adult Chinook Salmon (Oncorhynchus tshawytscha) Escapement in the Secesh River, Idaho ; Annual Report, January 2008 ? December 2008. Office of Scientific and Technical Information (OSTI), June 2009. http://dx.doi.org/10.2172/962644.

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Penn, John E. System Tests of Optimized (2nd Pass) Gallium Arsenide (GaAs) Integrated Circuit Radio Frequency (RF) Booster Designs for 425 MHz and Dual Band (425 and 900 MHz). Fort Belvoir, VA: Defense Technical Information Center, September 2011. http://dx.doi.org/10.21236/ada551775.

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